./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.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_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b07b7903cb9834718dcbd3dbb565f62432b2101fe170e5e45b3142d9f35cf0c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:49:45,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:49:45,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 05:49:45,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:49:45,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:49:45,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:49:45,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:49:45,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:49:45,201 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:49:45,201 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:49:45,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:49:45,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:49:45,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:49:45,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:49:45,202 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:49:45,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:49:45,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:49:45,202 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:49:45,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:49:45,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:49:45,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:49:45,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:49:45,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:49:45,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:49:45,202 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:49:45,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:49:45,203 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:49:45,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:49:45,203 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:49:45,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:45,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:45,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:45,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:45,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:49:45,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:45,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:45,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:45,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:45,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:49:45,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:49:45,204 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:49:45,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:49:45,204 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:49:45,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:49:45,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:49:45,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:49:45,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:49:45,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:49:45,204 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_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b07b7903cb9834718dcbd3dbb565f62432b2101fe170e5e45b3142d9f35cf0c [2024-12-02 05:49:45,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:49:45,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:49:45,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:49:45,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:49:45,458 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:49:45,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i [2024-12-02 05:49:48,164 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/data/3443a7400/2a84d00b09044d09992652c33344e13b/FLAGac1e5ebb5 [2024-12-02 05:49:48,362 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:49:48,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i [2024-12-02 05:49:48,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/data/3443a7400/2a84d00b09044d09992652c33344e13b/FLAGac1e5ebb5 [2024-12-02 05:49:48,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/data/3443a7400/2a84d00b09044d09992652c33344e13b [2024-12-02 05:49:48,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:49:48,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:49:48,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:49:48,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:49:48,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:49:48,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489b2945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48, skipping insertion in model container [2024-12-02 05:49:48,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:49:48,535 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_4b68b043-b419-4861-8f29-d8ac443e1a0a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i[916,929] [2024-12-02 05:49:48,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:49:48,597 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:49:48,606 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_4b68b043-b419-4861-8f29-d8ac443e1a0a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i[916,929] [2024-12-02 05:49:48,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:49:48,657 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:49:48,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48 WrapperNode [2024-12-02 05:49:48,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:49:48,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:49:48,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:49:48,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:49:48,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,708 INFO L138 Inliner]: procedures = 30, calls = 172, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 547 [2024-12-02 05:49:48,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:49:48,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:49:48,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:49:48,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:49:48,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,729 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-12-02 05:49:48,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,748 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:49:48,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:49:48,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:49:48,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:49:48,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:48,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:48,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:49:48,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:49:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:49:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-02 05:49:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-12-02 05:49:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-02 05:49:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 05:49:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-12-02 05:49:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 05:49:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:49:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:49:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 05:49:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:49:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:49:48,905 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:49:48,907 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:49:49,421 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-12-02 05:49:49,421 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:49:49,436 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:49:49,436 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:49:49,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:49 BoogieIcfgContainer [2024-12-02 05:49:49,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:49:49,439 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:49:49,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:49:49,444 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:49:49,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:49:48" (1/3) ... [2024-12-02 05:49:49,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6529adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:49:49, skipping insertion in model container [2024-12-02 05:49:49,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (2/3) ... [2024-12-02 05:49:49,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6529adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:49:49, skipping insertion in model container [2024-12-02 05:49:49,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:49" (3/3) ... [2024-12-02 05:49:49,446 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-81.i [2024-12-02 05:49:49,462 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:49:49,464 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-81.i that has 2 procedures, 129 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:49:49,525 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:49:49,535 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;@2becd293, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:49:49,535 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:49:49,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 108 states have (on average 1.4444444444444444) internal successors, (156), 109 states have internal predecessors, (156), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:49:49,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 05:49:49,549 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:49,550 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:49,551 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:49,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:49,555 INFO L85 PathProgramCache]: Analyzing trace with hash -292936724, now seen corresponding path program 1 times [2024-12-02 05:49:49,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:49,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997090534] [2024-12-02 05:49:49,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:49,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:49,862 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 05:49:49,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:49,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997090534] [2024-12-02 05:49:49,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997090534] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:49:49,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470349175] [2024-12-02 05:49:49,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:49,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:49:49,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:49,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:49:49,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:49:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:50,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:49:50,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:49:50,147 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 05:49:50,147 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:49:50,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470349175] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:50,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:49:50,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 05:49:50,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356393188] [2024-12-02 05:49:50,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:50,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:49:50,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:50,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:49:50,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:49:50,179 INFO L87 Difference]: Start difference. First operand has 129 states, 108 states have (on average 1.4444444444444444) internal successors, (156), 109 states have internal predecessors, (156), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:49:50,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:50,221 INFO L93 Difference]: Finished difference Result 251 states and 396 transitions. [2024-12-02 05:49:50,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:49:50,222 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 148 [2024-12-02 05:49:50,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:50,230 INFO L225 Difference]: With dead ends: 251 [2024-12-02 05:49:50,230 INFO L226 Difference]: Without dead ends: 125 [2024-12-02 05:49:50,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:49:50,236 INFO L435 NwaCegarLoop]: 183 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, 183 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:50,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:49:50,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-12-02 05:49:50,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-12-02 05:49:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 105 states have (on average 1.4) internal successors, (147), 105 states have internal predecessors, (147), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:49:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 183 transitions. [2024-12-02 05:49:50,275 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 183 transitions. Word has length 148 [2024-12-02 05:49:50,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:50,275 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 183 transitions. [2024-12-02 05:49:50,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:49:50,275 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 183 transitions. [2024-12-02 05:49:50,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 05:49:50,278 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:50,278 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:50,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 05:49:50,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 05:49:50,479 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:50,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:50,479 INFO L85 PathProgramCache]: Analyzing trace with hash 578968328, now seen corresponding path program 1 times [2024-12-02 05:49:50,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:50,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032218206] [2024-12-02 05:49:50,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:50,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 05:49:51,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:51,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032218206] [2024-12-02 05:49:51,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032218206] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:51,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:49:51,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:49:51,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104850565] [2024-12-02 05:49:51,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:51,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:49:51,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:51,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:49:51,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:49:51,150 INFO L87 Difference]: Start difference. First operand 125 states and 183 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:49:51,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:51,606 INFO L93 Difference]: Finished difference Result 370 states and 544 transitions. [2024-12-02 05:49:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:49:51,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 148 [2024-12-02 05:49:51,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:51,609 INFO L225 Difference]: With dead ends: 370 [2024-12-02 05:49:51,609 INFO L226 Difference]: Without dead ends: 248 [2024-12-02 05:49:51,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:49:51,611 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 174 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:51,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 387 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 05:49:51,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-12-02 05:49:51,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 219. [2024-12-02 05:49:51,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 180 states have (on average 1.3833333333333333) internal successors, (249), 180 states have internal predecessors, (249), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 05:49:51,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 321 transitions. [2024-12-02 05:49:51,642 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 321 transitions. Word has length 148 [2024-12-02 05:49:51,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:51,642 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 321 transitions. [2024-12-02 05:49:51,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:49:51,643 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 321 transitions. [2024-12-02 05:49:51,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 05:49:51,645 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:51,645 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:51,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:49:51,646 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:51,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:51,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1631661807, now seen corresponding path program 1 times [2024-12-02 05:49:51,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:51,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440916485] [2024-12-02 05:49:51,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:51,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:52,021 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 05:49:52,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:52,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440916485] [2024-12-02 05:49:52,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440916485] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:49:52,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457922981] [2024-12-02 05:49:52,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:52,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:49:52,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:52,024 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:49:52,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 05:49:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:52,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 05:49:52,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:49:52,333 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 05:49:52,333 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:49:52,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457922981] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:52,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:49:52,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-12-02 05:49:52,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937724951] [2024-12-02 05:49:52,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:52,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:49:52,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:52,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:49:52,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:49:52,336 INFO L87 Difference]: Start difference. First operand 219 states and 321 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:49:52,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:52,374 INFO L93 Difference]: Finished difference Result 345 states and 507 transitions. [2024-12-02 05:49:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:49:52,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 149 [2024-12-02 05:49:52,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:52,378 INFO L225 Difference]: With dead ends: 345 [2024-12-02 05:49:52,378 INFO L226 Difference]: Without dead ends: 223 [2024-12-02 05:49:52,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:49:52,380 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:52,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 532 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:49:52,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-12-02 05:49:52,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-12-02 05:49:52,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 184 states have (on average 1.375) internal successors, (253), 184 states have internal predecessors, (253), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 05:49:52,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 325 transitions. [2024-12-02 05:49:52,402 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 325 transitions. Word has length 149 [2024-12-02 05:49:52,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:52,403 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 325 transitions. [2024-12-02 05:49:52,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:49:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 325 transitions. [2024-12-02 05:49:52,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:49:52,407 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:52,408 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:52,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 05:49:52,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:49:52,608 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:52,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:52,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1914211980, now seen corresponding path program 1 times [2024-12-02 05:49:52,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:52,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054970814] [2024-12-02 05:49:52,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:52,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:53,062 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 05:49:53,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:53,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054970814] [2024-12-02 05:49:53,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054970814] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:53,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:49:53,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:49:53,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164769581] [2024-12-02 05:49:53,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:53,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:49:53,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:53,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:49:53,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:49:53,064 INFO L87 Difference]: Start difference. First operand 223 states and 325 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:49:53,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:53,403 INFO L93 Difference]: Finished difference Result 405 states and 589 transitions. [2024-12-02 05:49:53,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:49:53,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2024-12-02 05:49:53,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:53,406 INFO L225 Difference]: With dead ends: 405 [2024-12-02 05:49:53,406 INFO L226 Difference]: Without dead ends: 252 [2024-12-02 05:49:53,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:49:53,407 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 166 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:53,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 403 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:49:53,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-12-02 05:49:53,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 223. [2024-12-02 05:49:53,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 184 states have (on average 1.3641304347826086) internal successors, (251), 184 states have internal predecessors, (251), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 05:49:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 323 transitions. [2024-12-02 05:49:53,426 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 323 transitions. Word has length 151 [2024-12-02 05:49:53,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:53,427 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 323 transitions. [2024-12-02 05:49:53,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:49:53,427 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 323 transitions. [2024-12-02 05:49:53,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 05:49:53,429 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:53,429 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:53,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 05:49:53,429 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:53,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:53,430 INFO L85 PathProgramCache]: Analyzing trace with hash -460148375, now seen corresponding path program 1 times [2024-12-02 05:49:53,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:53,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997495780] [2024-12-02 05:49:53,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:53,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 05:49:53,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:53,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997495780] [2024-12-02 05:49:53,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997495780] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:53,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:49:53,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:49:53,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679314799] [2024-12-02 05:49:53,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:53,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:49:53,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:53,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:49:53,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:49:53,780 INFO L87 Difference]: Start difference. First operand 223 states and 323 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:49:54,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:54,217 INFO L93 Difference]: Finished difference Result 398 states and 573 transitions. [2024-12-02 05:49:54,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:49:54,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 153 [2024-12-02 05:49:54,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:54,220 INFO L225 Difference]: With dead ends: 398 [2024-12-02 05:49:54,220 INFO L226 Difference]: Without dead ends: 267 [2024-12-02 05:49:54,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:49:54,222 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 49 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:54,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 604 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 05:49:54,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-12-02 05:49:54,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 227. [2024-12-02 05:49:54,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 188 states have (on average 1.3563829787234043) internal successors, (255), 188 states have internal predecessors, (255), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 05:49:54,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 327 transitions. [2024-12-02 05:49:54,241 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 327 transitions. Word has length 153 [2024-12-02 05:49:54,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:54,241 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 327 transitions. [2024-12-02 05:49:54,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:49:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 327 transitions. [2024-12-02 05:49:54,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 05:49:54,243 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:54,244 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:54,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 05:49:54,244 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:54,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:54,245 INFO L85 PathProgramCache]: Analyzing trace with hash -859740316, now seen corresponding path program 1 times [2024-12-02 05:49:54,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:54,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051287180] [2024-12-02 05:49:54,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:54,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:49:54,405 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:49:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:49:54,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 05:49:54,551 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 05:49:54,552 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 05:49:54,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 05:49:54,557 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 05:49:54,611 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 05:49:54,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:49:54 BoogieIcfgContainer [2024-12-02 05:49:54,614 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 05:49:54,615 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:49:54,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:49:54,615 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:49:54,616 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:49" (3/4) ... [2024-12-02 05:49:54,618 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 05:49:54,619 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:49:54,620 INFO L158 Benchmark]: Toolchain (without parser) took 6232.32ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 117.5MB in the beginning and 251.9MB in the end (delta: -134.4MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2024-12-02 05:49:54,620 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:49:54,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.45ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 100.1MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:49:54,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.05ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 95.7MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:49:54,621 INFO L158 Benchmark]: Boogie Preprocessor took 52.05ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 92.0MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:49:54,621 INFO L158 Benchmark]: RCFGBuilder took 674.91ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 56.5MB in the end (delta: 35.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 05:49:54,622 INFO L158 Benchmark]: TraceAbstraction took 5175.06ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 56.0MB in the beginning and 253.8MB in the end (delta: -197.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:49:54,622 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 318.8MB. Free memory was 251.9MB in the beginning and 251.9MB in the end (delta: 26.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:49:54,624 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.45ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 100.1MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.05ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 95.7MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.05ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 92.0MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 674.91ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 56.5MB in the end (delta: 35.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5175.06ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 56.0MB in the beginning and 253.8MB in the end (delta: -197.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 318.8MB. Free memory was 251.9MB in the beginning and 251.9MB in the end (delta: 26.9kB). 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 bitwiseOr at line 63, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 87. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 9999.5, 1, 4.5, 2.5, 0.0, 999999999999.3, -128, 16, 16, 5, 1, 16, 32647, 128, -8 }; [L57] unsigned short int last_1_WrapperStruct00_var_1_13 = 5; [L58] signed long int last_1_WrapperStruct00_var_1_18 = -8; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L130] isInitial = 1 [L131] FCALL initially() [L133] CALL updateLastVariables() [L122] EXPR WrapperStruct00.var_1_13 [L122] last_1_WrapperStruct00_var_1_13 = WrapperStruct00.var_1_13 [L123] EXPR WrapperStruct00.var_1_18 [L123] last_1_WrapperStruct00_var_1_18 = WrapperStruct00.var_1_18 [L133] RET updateLastVariables() [L134] CALL updateVariables() [L91] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L93] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L94] WrapperStruct00.var_1_3 = __VERIFIER_nondet_double() [L95] EXPR WrapperStruct00.var_1_3 [L95] EXPR WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L95] EXPR WrapperStruct00.var_1_3 [L95] EXPR WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L95] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L95] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L95] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L96] WrapperStruct00.var_1_4 = __VERIFIER_nondet_double() [L97] EXPR WrapperStruct00.var_1_4 [L97] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F [L97] EXPR WrapperStruct00.var_1_4 [L97] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L97] EXPR (WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L97] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L97] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L98] WrapperStruct00.var_1_5 = __VERIFIER_nondet_double() [L99] EXPR WrapperStruct00.var_1_5 [L99] EXPR WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F [L99] EXPR WrapperStruct00.var_1_5 [L99] EXPR WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L99] EXPR (WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L99] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L99] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L100] WrapperStruct00.var_1_6 = __VERIFIER_nondet_double() [L101] EXPR WrapperStruct00.var_1_6 [L101] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_6 [L101] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L101] EXPR (WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L101] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L102] WrapperStruct00.var_1_11 = __VERIFIER_nondet_char() [L103] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L104] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L105] WrapperStruct00.var_1_12 = __VERIFIER_nondet_char() [L106] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L107] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L108] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L109] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L110] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L111] WrapperStruct00.var_1_15 = __VERIFIER_nondet_ushort() [L112] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L113] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L114] WrapperStruct00.var_1_16 = __VERIFIER_nondet_ushort() [L115] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 16383) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L116] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L116] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L117] WrapperStruct00.var_1_17 = __VERIFIER_nondet_ushort() [L118] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L118] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L119] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L119] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L134] RET updateVariables() [L135] CALL step() [L62] signed long int stepLocal_0 = (((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18)); VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8, stepLocal_0=-25] [L63] EXPR last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8, stepLocal_0=-25] [L63] COND TRUE stepLocal_0 != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13) [L64] WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L64] COND TRUE WrapperStruct00.var_1_2 [L65] EXPR WrapperStruct00.var_1_11 [L65] EXPR WrapperStruct00.var_1_12 [L65] WrapperStruct00.var_1_7 = (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) [L70] EXPR WrapperStruct00.var_1_11 [L70] EXPR WrapperStruct00.var_1_7 [L70] unsigned char stepLocal_1 = WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_7; [L71] stepLocal_1 && WrapperStruct00.var_1_14 [L71] EXPR WrapperStruct00.var_1_14 [L71] stepLocal_1 && WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L71] COND FALSE !(stepLocal_1 && WrapperStruct00.var_1_14) [L74] EXPR WrapperStruct00.var_1_16 [L74] EXPR WrapperStruct00.var_1_17 [L74] WrapperStruct00.var_1_13 = ((WrapperStruct00.var_1_16 - 5) + WrapperStruct00.var_1_17) [L76] EXPR WrapperStruct00.var_1_7 [L76] signed char stepLocal_2 = WrapperStruct00.var_1_7; [L77] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8, stepLocal_2=-64] [L77] COND FALSE !(stepLocal_2 > WrapperStruct00.var_1_16) [L84] EXPR WrapperStruct00.var_1_15 [L84] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_15 [L86] WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L86] COND TRUE WrapperStruct00.var_1_2 [L87] EXPR WrapperStruct00.var_1_3 [L87] EXPR WrapperStruct00.var_1_4 [L87] EXPR WrapperStruct00.var_1_5 [L87] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L87] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))) [L87] EXPR WrapperStruct00.var_1_3 [L87] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L87] WrapperStruct00.var_1_1 = ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))) [L135] RET step() [L136] CALL, EXPR property() [L126] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L126] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1 [L126] EXPR WrapperStruct00.var_1_1 [L126] EXPR WrapperStruct00.var_1_3 [L126] EXPR WrapperStruct00.var_1_4 [L126] EXPR WrapperStruct00.var_1_5 [L126] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L126] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))) [L126] EXPR WrapperStruct00.var_1_3 [L126] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L126] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L126] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1) && ((((((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18))) != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13)) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((signed char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12))) : 1) : (WrapperStruct00.var_1_7 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_11)))))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L126] EXPR ((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1) && ((((((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18))) != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13)) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((signed char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12))) : 1) : (WrapperStruct00.var_1_7 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_11))))))) && (((WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_7) && WrapperStruct00.var_1_14) ? (WrapperStruct00.var_1_13 == ((unsigned short int) ((((WrapperStruct00.var_1_15) < (100)) ? (WrapperStruct00.var_1_15) : (100))))) : (WrapperStruct00.var_1_13 == ((unsigned short int) ((WrapperStruct00.var_1_16 - 5) + WrapperStruct00.var_1_17)))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L126] EXPR (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1) && ((((((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18))) != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13)) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((signed char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12))) : 1) : (WrapperStruct00.var_1_7 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_11))))))) && (((WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_7) && WrapperStruct00.var_1_14) ? (WrapperStruct00.var_1_13 == ((unsigned short int) ((((WrapperStruct00.var_1_15) < (100)) ? (WrapperStruct00.var_1_15) : (100))))) : (WrapperStruct00.var_1_13 == ((unsigned short int) ((WrapperStruct00.var_1_16 - 5) + WrapperStruct00.var_1_17))))) && ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_16) ? ((WrapperStruct00.var_1_3 < (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_18 == ((signed long int) ((((WrapperStruct00.var_1_15) < 0 ) ? -(WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))))) : (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_15))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L126-L127] return (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1) && ((((((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18))) != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13)) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((signed char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12))) : 1) : (WrapperStruct00.var_1_7 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_11))))))) && (((WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_7) && WrapperStruct00.var_1_14) ? (WrapperStruct00.var_1_13 == ((unsigned short int) ((((WrapperStruct00.var_1_15) < (100)) ? (WrapperStruct00.var_1_15) : (100))))) : (WrapperStruct00.var_1_13 == ((unsigned short int) ((WrapperStruct00.var_1_16 - 5) + WrapperStruct00.var_1_17))))) && ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_16) ? ((WrapperStruct00.var_1_3 < (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_18 == ((signed long int) ((((WrapperStruct00.var_1_15) < 0 ) ? -(WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))))) : (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_15))) ; [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 6, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 389 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 389 mSDsluCounter, 2109 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1298 mSDsCounter, 142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 529 IncrementalHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 142 mSolverCounterUnsat, 811 mSDtfsCounter, 529 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=5, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 98 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1201 NumberOfCodeBlocks, 1201 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1039 ConstructedInterpolants, 0 QuantifiedInterpolants, 1436 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1043 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 4199/4284 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 05:49:54,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b07b7903cb9834718dcbd3dbb565f62432b2101fe170e5e45b3142d9f35cf0c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:49:56,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:49:56,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 05:49:56,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:49:56,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:49:56,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:49:56,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:49:56,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:49:56,727 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:49:56,727 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:49:56,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:49:56,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:49:56,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:49:56,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:49:56,728 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:49:56,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:49:56,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:49:56,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:49:56,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:49:56,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:49:56,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:49:56,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:49:56,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:49:56,729 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 05:49:56,729 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 05:49:56,729 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 05:49:56,729 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:49:56,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:49:56,729 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:49:56,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:49:56,729 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:49:56,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:56,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:56,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:56,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:56,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:49:56,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:56,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:56,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:56,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:56,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:49:56,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:49:56,730 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:49:56,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:49:56,731 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 05:49:56,731 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 05:49:56,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:49:56,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:49:56,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:49:56,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:49:56,731 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_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b07b7903cb9834718dcbd3dbb565f62432b2101fe170e5e45b3142d9f35cf0c [2024-12-02 05:49:56,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:49:56,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:49:56,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:49:56,975 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:49:56,975 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:49:56,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i [2024-12-02 05:49:59,662 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/data/261a1609c/8a0a92273a0646b2ad257efda2c6ffe1/FLAG5be64ca5c [2024-12-02 05:49:59,863 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:49:59,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i [2024-12-02 05:49:59,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/data/261a1609c/8a0a92273a0646b2ad257efda2c6ffe1/FLAG5be64ca5c [2024-12-02 05:50:00,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/data/261a1609c/8a0a92273a0646b2ad257efda2c6ffe1 [2024-12-02 05:50:00,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:00,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:00,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:00,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:00,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:00,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b337ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00, skipping insertion in model container [2024-12-02 05:50:00,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:50:00,374 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_4b68b043-b419-4861-8f29-d8ac443e1a0a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i[916,929] [2024-12-02 05:50:00,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:00,436 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:50:00,447 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_4b68b043-b419-4861-8f29-d8ac443e1a0a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i[916,929] [2024-12-02 05:50:00,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:00,519 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:50:00,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00 WrapperNode [2024-12-02 05:50:00,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:00,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:00,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:50:00,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:50:00,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,574 INFO L138 Inliner]: procedures = 37, calls = 172, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 522 [2024-12-02 05:50:00,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:00,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:50:00,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:50:00,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:50:00,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,589 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,609 INFO L175 MemorySlicer]: Split 143 memory accesses to 2 slices as follows [2, 141]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 35 writes are split as follows [0, 35]. [2024-12-02 05:50:00,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,632 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:50:00,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:50:00,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:50:00,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:50:00,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:00,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:00,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:00,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:50:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:50:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 05:50:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 05:50:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-12-02 05:50:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-12-02 05:50:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 05:50:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 05:50:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 05:50:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 05:50:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 05:50:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 05:50:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 05:50:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 05:50:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 05:50:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 05:50:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-12-02 05:50:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-12-02 05:50:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-12-02 05:50:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-12-02 05:50:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-12-02 05:50:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-12-02 05:50:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:50:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:50:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:50:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:50:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 05:50:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 05:50:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 05:50:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 05:50:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 05:50:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 05:50:00,848 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:50:00,849 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:12,318 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-12-02 05:50:12,318 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:12,330 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:12,330 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:50:12,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:12 BoogieIcfgContainer [2024-12-02 05:50:12,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:12,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:50:12,333 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:50:12,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:50:12,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:00" (1/3) ... [2024-12-02 05:50:12,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d2f849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:12, skipping insertion in model container [2024-12-02 05:50:12,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (2/3) ... [2024-12-02 05:50:12,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d2f849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:12, skipping insertion in model container [2024-12-02 05:50:12,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:12" (3/3) ... [2024-12-02 05:50:12,340 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-81.i [2024-12-02 05:50:12,355 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:50:12,356 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-81.i that has 2 procedures, 121 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:50:12,408 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:50:12,418 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;@49f91cba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:50:12,418 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:50:12,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 100 states have (on average 1.42) internal successors, (142), 101 states have internal predecessors, (142), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:50:12,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 05:50:12,431 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:12,431 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:12,432 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:12,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:12,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1978409274, now seen corresponding path program 1 times [2024-12-02 05:50:12,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:12,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660688629] [2024-12-02 05:50:12,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:12,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:12,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:12,446 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:50:12,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 05:50:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:12,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:50:12,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:12,879 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-12-02 05:50:12,879 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:12,880 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:12,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660688629] [2024-12-02 05:50:12,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1660688629] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:12,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:12,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:50:12,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066705558] [2024-12-02 05:50:12,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:12,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:50:12,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:12,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:50:12,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:50:12,909 INFO L87 Difference]: Start difference. First operand has 121 states, 100 states have (on average 1.42) internal successors, (142), 101 states have internal predecessors, (142), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:50:12,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:12,935 INFO L93 Difference]: Finished difference Result 235 states and 368 transitions. [2024-12-02 05:50:12,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:50:12,937 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-12-02 05:50:12,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:12,942 INFO L225 Difference]: With dead ends: 235 [2024-12-02 05:50:12,943 INFO L226 Difference]: Without dead ends: 117 [2024-12-02 05:50:12,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:50:12,953 INFO L435 NwaCegarLoop]: 169 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, 169 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:12,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:12,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-12-02 05:50:12,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-12-02 05:50:12,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:50:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 169 transitions. [2024-12-02 05:50:12,994 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 169 transitions. Word has length 147 [2024-12-02 05:50:12,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:12,994 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 169 transitions. [2024-12-02 05:50:12,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:50:12,995 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 169 transitions. [2024-12-02 05:50:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 05:50:12,998 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:12,998 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:13,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 05:50:13,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:13,199 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:13,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:13,199 INFO L85 PathProgramCache]: Analyzing trace with hash 482514590, now seen corresponding path program 1 times [2024-12-02 05:50:13,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:13,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282806346] [2024-12-02 05:50:13,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:13,200 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:13,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:13,202 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:50:13,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 05:50:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:13,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 05:50:13,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-12-02 05:50:13,576 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:13,576 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:13,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282806346] [2024-12-02 05:50:13,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282806346] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:13,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:13,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:50:13,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971554534] [2024-12-02 05:50:13,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:13,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:50:13,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:13,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:50:13,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:13,578 INFO L87 Difference]: Start difference. First operand 117 states and 169 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:50:13,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:13,695 INFO L93 Difference]: Finished difference Result 233 states and 338 transitions. [2024-12-02 05:50:13,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:50:13,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-12-02 05:50:13,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:13,697 INFO L225 Difference]: With dead ends: 233 [2024-12-02 05:50:13,697 INFO L226 Difference]: Without dead ends: 119 [2024-12-02 05:50:13,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:13,699 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:13,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 05:50:13,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-12-02 05:50:13,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-12-02 05:50:13,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:50:13,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 171 transitions. [2024-12-02 05:50:13,707 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 171 transitions. Word has length 147 [2024-12-02 05:50:13,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:13,707 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 171 transitions. [2024-12-02 05:50:13,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:50:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 171 transitions. [2024-12-02 05:50:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 05:50:13,709 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:13,709 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:13,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 05:50:13,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:13,909 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:13,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:13,910 INFO L85 PathProgramCache]: Analyzing trace with hash -192645536, now seen corresponding path program 1 times [2024-12-02 05:50:13,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:13,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118177903] [2024-12-02 05:50:13,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:13,911 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:13,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:13,912 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:50:13,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 05:50:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:14,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 05:50:14,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:14,262 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 05:50:14,262 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:14,263 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:14,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2118177903] [2024-12-02 05:50:14,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2118177903] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:14,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:14,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:50:14,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908154867] [2024-12-02 05:50:14,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:14,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:50:14,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:14,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:50:14,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:14,264 INFO L87 Difference]: Start difference. First operand 119 states and 171 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:50:14,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:14,327 INFO L93 Difference]: Finished difference Result 237 states and 342 transitions. [2024-12-02 05:50:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:50:14,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-12-02 05:50:14,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:14,329 INFO L225 Difference]: With dead ends: 237 [2024-12-02 05:50:14,329 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 05:50:14,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:14,331 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:14,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:14,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 05:50:14,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-12-02 05:50:14,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:50:14,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 173 transitions. [2024-12-02 05:50:14,340 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 173 transitions. Word has length 147 [2024-12-02 05:50:14,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:14,341 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 173 transitions. [2024-12-02 05:50:14,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:50:14,341 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 173 transitions. [2024-12-02 05:50:14,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 05:50:14,343 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:14,343 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:14,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 05:50:14,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:14,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:14,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:14,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1994753349, now seen corresponding path program 1 times [2024-12-02 05:50:14,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:14,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525227439] [2024-12-02 05:50:14,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:14,545 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:14,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:14,546 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:50:14,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 05:50:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:14,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 05:50:14,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 05:50:15,059 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:15,060 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:15,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525227439] [2024-12-02 05:50:15,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525227439] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:15,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:15,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:50:15,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729374514] [2024-12-02 05:50:15,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:15,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:50:15,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:15,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:50:15,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:50:15,061 INFO L87 Difference]: Start difference. First operand 121 states and 173 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:50:16,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:22,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:25,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:26,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:31,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:33,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:34,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:34,281 INFO L93 Difference]: Finished difference Result 272 states and 387 transitions. [2024-12-02 05:50:34,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:50:34,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 149 [2024-12-02 05:50:34,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:34,283 INFO L225 Difference]: With dead ends: 272 [2024-12-02 05:50:34,283 INFO L226 Difference]: Without dead ends: 154 [2024-12-02 05:50:34,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:50:34,284 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 42 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:34,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 477 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 2 Unknown, 0 Unchecked, 19.2s Time] [2024-12-02 05:50:34,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-12-02 05:50:34,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 123. [2024-12-02 05:50:34,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 103 states have (on average 1.3495145631067962) internal successors, (139), 103 states have internal predecessors, (139), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:50:34,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 175 transitions. [2024-12-02 05:50:34,293 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 175 transitions. Word has length 149 [2024-12-02 05:50:34,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:34,294 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 175 transitions. [2024-12-02 05:50:34,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:50:34,295 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 175 transitions. [2024-12-02 05:50:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:50:34,297 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:34,297 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:34,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 05:50:34,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:34,498 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:34,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:34,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1032169362, now seen corresponding path program 1 times [2024-12-02 05:50:34,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:34,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785374793] [2024-12-02 05:50:34,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:34,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:34,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:34,501 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:50:34,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 05:50:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:34,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 05:50:34,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:35,436 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 05:50:35,436 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:35,437 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:35,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785374793] [2024-12-02 05:50:35,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [785374793] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:35,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:35,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:50:35,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298937965] [2024-12-02 05:50:35,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:35,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:50:35,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:35,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:50:35,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:35,438 INFO L87 Difference]: Start difference. First operand 123 states and 175 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:50:36,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:36,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:36,748 INFO L93 Difference]: Finished difference Result 291 states and 413 transitions. [2024-12-02 05:50:36,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:50:36,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2024-12-02 05:50:36,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:36,750 INFO L225 Difference]: With dead ends: 291 [2024-12-02 05:50:36,750 INFO L226 Difference]: Without dead ends: 171 [2024-12-02 05:50:36,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:36,751 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 55 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:36,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 482 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 05:50:36,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-12-02 05:50:36,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 148. [2024-12-02 05:50:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 128 states have (on average 1.359375) internal successors, (174), 128 states have internal predecessors, (174), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:50:36,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 210 transitions. [2024-12-02 05:50:36,761 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 210 transitions. Word has length 151 [2024-12-02 05:50:36,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:36,762 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 210 transitions. [2024-12-02 05:50:36,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:50:36,762 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 210 transitions. [2024-12-02 05:50:36,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:50:36,764 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:36,764 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:36,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 05:50:36,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:36,964 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:36,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:36,965 INFO L85 PathProgramCache]: Analyzing trace with hash -731534663, now seen corresponding path program 1 times [2024-12-02 05:50:36,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:36,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789147869] [2024-12-02 05:50:36,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:36,966 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:36,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:36,967 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:50:36,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 05:50:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:37,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 05:50:37,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:37,316 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 05:50:37,316 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:37,317 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:37,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789147869] [2024-12-02 05:50:37,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789147869] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:37,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:37,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 05:50:37,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996867978] [2024-12-02 05:50:37,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:37,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:50:37,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:37,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:50:37,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:50:37,319 INFO L87 Difference]: Start difference. First operand 148 states and 210 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:50:37,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:37,426 INFO L93 Difference]: Finished difference Result 297 states and 422 transitions. [2024-12-02 05:50:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 05:50:37,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2024-12-02 05:50:37,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:37,428 INFO L225 Difference]: With dead ends: 297 [2024-12-02 05:50:37,428 INFO L226 Difference]: Without dead ends: 152 [2024-12-02 05:50:37,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:50:37,429 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:37,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 804 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 05:50:37,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-12-02 05:50:37,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-12-02 05:50:37,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 132 states have (on average 1.3484848484848484) internal successors, (178), 132 states have internal predecessors, (178), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:50:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 214 transitions. [2024-12-02 05:50:37,438 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 214 transitions. Word has length 151 [2024-12-02 05:50:37,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:37,439 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 214 transitions. [2024-12-02 05:50:37,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:50:37,439 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 214 transitions. [2024-12-02 05:50:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:50:37,441 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:37,441 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:37,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 05:50:37,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:37,645 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:37,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:37,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1432599241, now seen corresponding path program 1 times [2024-12-02 05:50:37,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:37,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994312631] [2024-12-02 05:50:37,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:37,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:37,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:37,648 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:50:37,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 05:50:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:37,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 05:50:37,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:38,021 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 05:50:38,021 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:38,021 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:38,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994312631] [2024-12-02 05:50:38,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994312631] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:38,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:38,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:50:38,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377691236] [2024-12-02 05:50:38,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:38,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:50:38,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:38,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:50:38,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:50:38,023 INFO L87 Difference]: Start difference. First operand 152 states and 214 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:50:39,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:40,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:45,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:48,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:54,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:55,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:55,676 INFO L93 Difference]: Finished difference Result 338 states and 472 transitions. [2024-12-02 05:50:55,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:50:55,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2024-12-02 05:50:55,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:55,679 INFO L225 Difference]: With dead ends: 338 [2024-12-02 05:50:55,679 INFO L226 Difference]: Without dead ends: 189 [2024-12-02 05:50:55,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:50:55,680 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 37 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:55,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 525 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 208 Invalid, 2 Unknown, 0 Unchecked, 17.6s Time] [2024-12-02 05:50:55,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-12-02 05:50:55,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 159. [2024-12-02 05:50:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 139 states have (on average 1.3381294964028776) internal successors, (186), 139 states have internal predecessors, (186), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:50:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 222 transitions. [2024-12-02 05:50:55,686 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 222 transitions. Word has length 151 [2024-12-02 05:50:55,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:55,686 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 222 transitions. [2024-12-02 05:50:55,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 05:50:55,686 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 222 transitions. [2024-12-02 05:50:55,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:50:55,688 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:55,688 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:55,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Forceful destruction successful, exit code 0 [2024-12-02 05:50:55,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:55,888 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:55,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:55,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1303395988, now seen corresponding path program 1 times [2024-12-02 05:50:55,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:55,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66285961] [2024-12-02 05:50:55,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:55,889 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:55,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:55,891 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:50:55,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-12-02 05:50:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:56,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 05:50:56,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:56,749 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 05:50:56,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-12-02 05:50:56,806 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-12-02 05:50:56,806 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:56,806 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:56,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66285961] [2024-12-02 05:50:56,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [66285961] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:56,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:56,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:50:56,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610104598] [2024-12-02 05:50:56,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:56,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:50:56,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:56,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:50:56,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:50:56,808 INFO L87 Difference]: Start difference. First operand 159 states and 222 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:51:02,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:06,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:10,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:12,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:14,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:18,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:19,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:19,021 INFO L93 Difference]: Finished difference Result 316 states and 442 transitions. [2024-12-02 05:51:19,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:51:19,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2024-12-02 05:51:19,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:19,023 INFO L225 Difference]: With dead ends: 316 [2024-12-02 05:51:19,023 INFO L226 Difference]: Without dead ends: 160 [2024-12-02 05:51:19,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:51:19,024 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 149 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:19,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 474 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 193 Invalid, 3 Unknown, 0 Unchecked, 22.1s Time] [2024-12-02 05:51:19,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-12-02 05:51:19,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2024-12-02 05:51:19,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 139 states have (on average 1.330935251798561) internal successors, (185), 139 states have internal predecessors, (185), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:51:19,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 221 transitions. [2024-12-02 05:51:19,032 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 221 transitions. Word has length 151 [2024-12-02 05:51:19,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:19,032 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 221 transitions. [2024-12-02 05:51:19,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:51:19,033 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 221 transitions. [2024-12-02 05:51:19,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 05:51:19,034 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:19,034 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:19,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-12-02 05:51:19,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:51:19,235 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:19,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:19,235 INFO L85 PathProgramCache]: Analyzing trace with hash 953047770, now seen corresponding path program 1 times [2024-12-02 05:51:19,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:19,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630438749] [2024-12-02 05:51:19,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:19,236 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:51:19,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:19,238 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:51:19,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 05:51:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:19,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 05:51:19,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:20,271 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 05:51:20,272 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 175 treesize of output 67 [2024-12-02 05:51:20,334 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-12-02 05:51:20,334 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:51:20,334 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:20,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630438749] [2024-12-02 05:51:20,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630438749] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:20,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:20,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:51:20,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798964975] [2024-12-02 05:51:20,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:20,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:51:20,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:51:20,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:51:20,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:51:20,336 INFO L87 Difference]: Start difference. First operand 159 states and 221 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:51:21,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:26,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:32,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:33,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:33,519 INFO L93 Difference]: Finished difference Result 316 states and 440 transitions. [2024-12-02 05:51:33,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:51:33,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 153 [2024-12-02 05:51:33,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:33,521 INFO L225 Difference]: With dead ends: 316 [2024-12-02 05:51:33,521 INFO L226 Difference]: Without dead ends: 160 [2024-12-02 05:51:33,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:51:33,522 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 140 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:33,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 470 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2024-12-02 05:51:33,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-12-02 05:51:33,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2024-12-02 05:51:33,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 139 states have (on average 1.3237410071942446) internal successors, (184), 139 states have internal predecessors, (184), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:51:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 220 transitions. [2024-12-02 05:51:33,528 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 220 transitions. Word has length 153 [2024-12-02 05:51:33,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:33,528 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 220 transitions. [2024-12-02 05:51:33,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:51:33,528 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 220 transitions. [2024-12-02 05:51:33,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 05:51:33,529 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:33,529 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:33,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 05:51:33,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:51:33,730 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:33,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:33,730 INFO L85 PathProgramCache]: Analyzing trace with hash 634061524, now seen corresponding path program 1 times [2024-12-02 05:51:33,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:33,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087021634] [2024-12-02 05:51:33,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:33,731 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:51:33,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:33,732 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:51:33,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-12-02 05:51:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:34,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 05:51:34,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:34,673 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 05:51:34,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-12-02 05:51:34,727 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-12-02 05:51:34,727 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:51:34,727 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:34,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087021634] [2024-12-02 05:51:34,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087021634] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:34,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:34,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:51:34,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788979022] [2024-12-02 05:51:34,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:34,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:51:34,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:51:34,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:51:34,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:51:34,728 INFO L87 Difference]: Start difference. First operand 159 states and 220 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:51:40,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:43,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:44,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:51,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:51,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:51,854 INFO L93 Difference]: Finished difference Result 316 states and 438 transitions. [2024-12-02 05:51:51,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:51:51,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 155 [2024-12-02 05:51:51,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:51,855 INFO L225 Difference]: With dead ends: 316 [2024-12-02 05:51:51,855 INFO L226 Difference]: Without dead ends: 160 [2024-12-02 05:51:51,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:51:51,856 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 130 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:51,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 464 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 196 Invalid, 2 Unknown, 0 Unchecked, 17.0s Time] [2024-12-02 05:51:51,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-12-02 05:51:51,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2024-12-02 05:51:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 139 states have (on average 1.316546762589928) internal successors, (183), 139 states have internal predecessors, (183), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:51:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 219 transitions. [2024-12-02 05:51:51,862 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 219 transitions. Word has length 155 [2024-12-02 05:51:51,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:51,863 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 219 transitions. [2024-12-02 05:51:51,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:51:51,863 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 219 transitions. [2024-12-02 05:51:51,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 05:51:51,864 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:51,864 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:51,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-12-02 05:51:52,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:51:52,064 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:52,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:52,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1856536858, now seen corresponding path program 1 times [2024-12-02 05:51:52,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:52,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269754438] [2024-12-02 05:51:52,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:52,065 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:51:52,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:52,067 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:51:52,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b68b043-b419-4861-8f29-d8ac443e1a0a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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