./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.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_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/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_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/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_62c3b646-0d00-4739-a287-fb4217d2c1b5/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 f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:50:43,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:50:43,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 05:50:43,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:50:43,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:50:43,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:50:43,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:50:43,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:50:43,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:50:43,109 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:50:43,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:50:43,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:50:43,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:50:43,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:50:43,109 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:50:43,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:50:43,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:50:43,110 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:50:43,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:50:43,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:50:43,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:50:43,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:50:43,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:50:43,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:50:43,110 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:50:43,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:50:43,111 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:50:43,111 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:50:43,111 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:50:43,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:43,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:43,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:43,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:43,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:50:43,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:43,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:43,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:43,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:43,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:50:43,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:50:43,112 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:50:43,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:50:43,112 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:50:43,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:50:43,112 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:50:43,112 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:50:43,112 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:50:43,112 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:50:43,112 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_62c3b646-0d00-4739-a287-fb4217d2c1b5/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 -> f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b [2024-12-02 05:50:43,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:50:43,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:50:43,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:50:43,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:50:43,382 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:50:43,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i [2024-12-02 05:50:46,232 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/data/863d955ce/2101c861006048e6a593629992058498/FLAGd9d7180cd [2024-12-02 05:50:46,456 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:50:46,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i [2024-12-02 05:50:46,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/data/863d955ce/2101c861006048e6a593629992058498/FLAGd9d7180cd [2024-12-02 05:50:46,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/data/863d955ce/2101c861006048e6a593629992058498 [2024-12-02 05:50:46,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:46,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:46,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:46,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:46,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:46,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8cd9610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46, skipping insertion in model container [2024-12-02 05:50:46,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:50:46,643 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_62c3b646-0d00-4739-a287-fb4217d2c1b5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2024-12-02 05:50:46,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:46,710 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:50:46,720 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_62c3b646-0d00-4739-a287-fb4217d2c1b5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2024-12-02 05:50:46,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:46,767 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:50:46,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46 WrapperNode [2024-12-02 05:50:46,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:46,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:46,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:50:46,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:50:46,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,819 INFO L138 Inliner]: procedures = 29, calls = 121, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 417 [2024-12-02 05:50:46,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:46,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:50:46,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:50:46,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:50:46,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,834 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,856 INFO L175 MemorySlicer]: Split 96 memory accesses to 6 slices as follows [2, 8, 29, 8, 16, 33]. 34 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 1, 4, 1, 2, 2]. The 14 writes are split as follows [0, 1, 4, 2, 4, 3]. [2024-12-02 05:50:46,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,872 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:50:46,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:50:46,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:50:46,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:50:46,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46" (1/1) ... [2024-12-02 05:50:46,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:46,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:46,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:46,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:50:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:50:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 05:50:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:50:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:50:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:50:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 05:50:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 05:50:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 05:50:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 05:50:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 05:50:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:50:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:50:47,076 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:50:47,078 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:47,509 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-12-02 05:50:47,509 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:47,519 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:47,520 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:50:47,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:47 BoogieIcfgContainer [2024-12-02 05:50:47,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:47,522 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:50:47,522 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:50:47,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:50:47,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:46" (1/3) ... [2024-12-02 05:50:47,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cd682a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:47, skipping insertion in model container [2024-12-02 05:50:47,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:46" (2/3) ... [2024-12-02 05:50:47,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cd682a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:47, skipping insertion in model container [2024-12-02 05:50:47,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:47" (3/3) ... [2024-12-02 05:50:47,529 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-22.i [2024-12-02 05:50:47,543 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:50:47,545 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-22.i that has 2 procedures, 105 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:50:47,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:50:47,608 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;@1327691c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:50:47,608 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:50:47,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 05:50:47,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 05:50:47,620 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:47,621 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:47,621 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:47,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:47,626 INFO L85 PathProgramCache]: Analyzing trace with hash 70378630, now seen corresponding path program 1 times [2024-12-02 05:50:47,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:47,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744853233] [2024-12-02 05:50:47,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:47,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-02 05:50:47,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:47,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744853233] [2024-12-02 05:50:47,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744853233] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:47,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323548033] [2024-12-02 05:50:47,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:47,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:47,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:47,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:47,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:50:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:48,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:50:48,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:48,082 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-02 05:50:48,082 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:48,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323548033] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:48,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:48,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 05:50:48,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705497043] [2024-12-02 05:50:48,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:48,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:50:48,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:48,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:50:48,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:50:48,104 INFO L87 Difference]: Start difference. First operand has 105 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 05:50:48,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:48,127 INFO L93 Difference]: Finished difference Result 203 states and 311 transitions. [2024-12-02 05:50:48,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:50:48,128 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 90 [2024-12-02 05:50:48,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:48,133 INFO L225 Difference]: With dead ends: 203 [2024-12-02 05:50:48,133 INFO L226 Difference]: Without dead ends: 101 [2024-12-02 05:50:48,135 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 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 05:50:48,138 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:48,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:48,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-12-02 05:50:48,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-12-02 05:50:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 90 states have (on average 1.4222222222222223) internal successors, (128), 90 states have internal predecessors, (128), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 05:50:48,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2024-12-02 05:50:48,169 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 90 [2024-12-02 05:50:48,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:48,169 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2024-12-02 05:50:48,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 05:50:48,169 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2024-12-02 05:50:48,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 05:50:48,172 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:48,172 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:48,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 05:50:48,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:48,373 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:48,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:48,373 INFO L85 PathProgramCache]: Analyzing trace with hash -286087808, now seen corresponding path program 1 times [2024-12-02 05:50:48,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:48,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725080927] [2024-12-02 05:50:48,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:48,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:48,574 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:50:48,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:48,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725080927] [2024-12-02 05:50:48,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725080927] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:48,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:48,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:50:48,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79241565] [2024-12-02 05:50:48,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:48,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:50:48,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:48,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:50:48,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:48,576 INFO L87 Difference]: Start difference. First operand 101 states and 146 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 05:50:48,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:48,612 INFO L93 Difference]: Finished difference Result 201 states and 292 transitions. [2024-12-02 05:50:48,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:50:48,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 90 [2024-12-02 05:50:48,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:48,614 INFO L225 Difference]: With dead ends: 201 [2024-12-02 05:50:48,614 INFO L226 Difference]: Without dead ends: 103 [2024-12-02 05:50:48,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:48,615 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:48,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 421 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:48,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-12-02 05:50:48,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-12-02 05:50:48,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 92 states have (on average 1.4130434782608696) internal successors, (130), 92 states have internal predecessors, (130), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 05:50:48,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 148 transitions. [2024-12-02 05:50:48,635 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 148 transitions. Word has length 90 [2024-12-02 05:50:48,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:48,636 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 148 transitions. [2024-12-02 05:50:48,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 05:50:48,636 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2024-12-02 05:50:48,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 05:50:48,638 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:48,638 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:48,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:50:48,638 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:48,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:48,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1624954750, now seen corresponding path program 1 times [2024-12-02 05:50:48,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:48,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056022559] [2024-12-02 05:50:48,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:48,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:49,177 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:50:49,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:49,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056022559] [2024-12-02 05:50:49,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056022559] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:49,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:49,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 05:50:49,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423916537] [2024-12-02 05:50:49,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:49,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:50:49,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:49,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:50:49,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:50:49,179 INFO L87 Difference]: Start difference. First operand 103 states and 148 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:50,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:50,212 INFO L93 Difference]: Finished difference Result 535 states and 770 transitions. [2024-12-02 05:50:50,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 05:50:50,213 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 90 [2024-12-02 05:50:50,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:50,217 INFO L225 Difference]: With dead ends: 535 [2024-12-02 05:50:50,217 INFO L226 Difference]: Without dead ends: 435 [2024-12-02 05:50:50,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-12-02 05:50:50,219 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 582 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:50,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 951 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 05:50:50,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-12-02 05:50:50,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 288. [2024-12-02 05:50:50,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 257 states have (on average 1.4085603112840468) internal successors, (362), 257 states have internal predecessors, (362), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 05:50:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 416 transitions. [2024-12-02 05:50:50,258 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 416 transitions. Word has length 90 [2024-12-02 05:50:50,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:50,258 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 416 transitions. [2024-12-02 05:50:50,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:50,258 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 416 transitions. [2024-12-02 05:50:50,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 05:50:50,260 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:50,260 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:50,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 05:50:50,261 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:50,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:50,262 INFO L85 PathProgramCache]: Analyzing trace with hash -701013642, now seen corresponding path program 1 times [2024-12-02 05:50:50,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:50,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282580967] [2024-12-02 05:50:50,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:50,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:50:50,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:50,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282580967] [2024-12-02 05:50:50,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282580967] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:50,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:50,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:50:50,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036229438] [2024-12-02 05:50:50,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:50,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:50,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:50,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:50,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:50,379 INFO L87 Difference]: Start difference. First operand 288 states and 416 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:50,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:50,408 INFO L93 Difference]: Finished difference Result 591 states and 857 transitions. [2024-12-02 05:50:50,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:50,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 91 [2024-12-02 05:50:50,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:50,411 INFO L225 Difference]: With dead ends: 591 [2024-12-02 05:50:50,411 INFO L226 Difference]: Without dead ends: 306 [2024-12-02 05:50:50,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:50,413 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 28 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:50,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 282 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:50,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-12-02 05:50:50,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 204. [2024-12-02 05:50:50,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 183 states have (on average 1.3989071038251366) internal successors, (256), 183 states have internal predecessors, (256), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:50:50,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 292 transitions. [2024-12-02 05:50:50,435 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 292 transitions. Word has length 91 [2024-12-02 05:50:50,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:50,435 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 292 transitions. [2024-12-02 05:50:50,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:50,436 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 292 transitions. [2024-12-02 05:50:50,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 05:50:50,437 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:50,437 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:50,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 05:50:50,438 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:50,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:50,438 INFO L85 PathProgramCache]: Analyzing trace with hash 82762177, now seen corresponding path program 1 times [2024-12-02 05:50:50,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:50,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529349728] [2024-12-02 05:50:50,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:50,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:50:50,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:50,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529349728] [2024-12-02 05:50:50,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529349728] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:50,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:50,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:50:50,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670324793] [2024-12-02 05:50:50,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:50,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:50,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:50,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:50,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:50,516 INFO L87 Difference]: Start difference. First operand 204 states and 292 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:50,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:50,578 INFO L93 Difference]: Finished difference Result 366 states and 523 transitions. [2024-12-02 05:50:50,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:50,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-12-02 05:50:50,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:50,580 INFO L225 Difference]: With dead ends: 366 [2024-12-02 05:50:50,580 INFO L226 Difference]: Without dead ends: 165 [2024-12-02 05:50:50,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:50,582 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:50,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:50,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-12-02 05:50:50,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 151. [2024-12-02 05:50:50,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 130 states have (on average 1.3615384615384616) internal successors, (177), 130 states have internal predecessors, (177), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:50:50,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 213 transitions. [2024-12-02 05:50:50,595 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 213 transitions. Word has length 92 [2024-12-02 05:50:50,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:50,595 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 213 transitions. [2024-12-02 05:50:50,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:50,595 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 213 transitions. [2024-12-02 05:50:50,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 05:50:50,596 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:50,596 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:50,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 05:50:50,597 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:50,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:50,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1959301337, now seen corresponding path program 1 times [2024-12-02 05:50:50,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:50,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864154864] [2024-12-02 05:50:50,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:50,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:51,345 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 05:50:51,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:51,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864154864] [2024-12-02 05:50:51,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864154864] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:51,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86089581] [2024-12-02 05:50:51,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:51,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:51,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:51,348 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:51,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 05:50:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:51,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 05:50:51,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:51,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-12-02 05:50:52,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2024-12-02 05:50:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 05:50:52,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:52,615 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:50:52,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86089581] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:52,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 05:50:52,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 9] total 20 [2024-12-02 05:50:52,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300495402] [2024-12-02 05:50:52,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:52,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:50:52,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:52,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:50:52,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-12-02 05:50:52,617 INFO L87 Difference]: Start difference. First operand 151 states and 213 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:52,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:52,864 INFO L93 Difference]: Finished difference Result 351 states and 496 transitions. [2024-12-02 05:50:52,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:50:52,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 95 [2024-12-02 05:50:52,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:52,867 INFO L225 Difference]: With dead ends: 351 [2024-12-02 05:50:52,867 INFO L226 Difference]: Without dead ends: 252 [2024-12-02 05:50:52,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2024-12-02 05:50:52,869 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 121 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:52,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 741 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:50:52,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-12-02 05:50:52,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 171. [2024-12-02 05:50:52,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 150 states have (on average 1.36) internal successors, (204), 150 states have internal predecessors, (204), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:50:52,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 240 transitions. [2024-12-02 05:50:52,883 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 240 transitions. Word has length 95 [2024-12-02 05:50:52,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:52,883 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 240 transitions. [2024-12-02 05:50:52,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:52,883 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 240 transitions. [2024-12-02 05:50:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 05:50:52,884 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:52,885 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:52,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 05:50:53,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-02 05:50:53,085 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:53,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:53,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1870385077, now seen corresponding path program 1 times [2024-12-02 05:50:53,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:53,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431050170] [2024-12-02 05:50:53,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:53,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:50:53,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:53,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431050170] [2024-12-02 05:50:53,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431050170] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:53,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:53,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 05:50:53,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792201112] [2024-12-02 05:50:53,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:53,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:50:53,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:53,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:50:53,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:50:53,645 INFO L87 Difference]: Start difference. First operand 171 states and 240 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:53,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:53,887 INFO L93 Difference]: Finished difference Result 388 states and 549 transitions. [2024-12-02 05:50:53,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:50:53,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-12-02 05:50:53,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:53,890 INFO L225 Difference]: With dead ends: 388 [2024-12-02 05:50:53,890 INFO L226 Difference]: Without dead ends: 268 [2024-12-02 05:50:53,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-12-02 05:50:53,891 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 111 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:53,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 754 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:50:53,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-12-02 05:50:53,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 266. [2024-12-02 05:50:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 235 states have (on average 1.3702127659574468) internal successors, (322), 235 states have internal predecessors, (322), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 05:50:53,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 376 transitions. [2024-12-02 05:50:53,908 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 376 transitions. Word has length 96 [2024-12-02 05:50:53,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:53,909 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 376 transitions. [2024-12-02 05:50:53,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:53,909 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 376 transitions. [2024-12-02 05:50:53,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 05:50:53,910 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:53,910 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:53,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 05:50:53,910 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:53,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:53,911 INFO L85 PathProgramCache]: Analyzing trace with hash -994815262, now seen corresponding path program 1 times [2024-12-02 05:50:53,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:53,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93579186] [2024-12-02 05:50:53,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:53,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:54,471 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:50:54,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:54,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93579186] [2024-12-02 05:50:54,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93579186] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:54,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:54,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 05:50:54,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239187792] [2024-12-02 05:50:54,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:54,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 05:50:54,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:54,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 05:50:54,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:50:54,474 INFO L87 Difference]: Start difference. First operand 266 states and 376 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:54,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:54,785 INFO L93 Difference]: Finished difference Result 440 states and 620 transitions. [2024-12-02 05:50:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 05:50:54,785 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 97 [2024-12-02 05:50:54,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:54,786 INFO L225 Difference]: With dead ends: 440 [2024-12-02 05:50:54,787 INFO L226 Difference]: Without dead ends: 324 [2024-12-02 05:50:54,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-12-02 05:50:54,787 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 264 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:54,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 1115 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:50:54,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-12-02 05:50:54,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 291. [2024-12-02 05:50:54,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 260 states have (on average 1.373076923076923) internal successors, (357), 260 states have internal predecessors, (357), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 05:50:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 411 transitions. [2024-12-02 05:50:54,801 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 411 transitions. Word has length 97 [2024-12-02 05:50:54,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:54,801 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 411 transitions. [2024-12-02 05:50:54,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:54,802 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 411 transitions. [2024-12-02 05:50:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 05:50:54,803 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:54,803 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:54,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 05:50:54,803 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:54,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:54,803 INFO L85 PathProgramCache]: Analyzing trace with hash -102155987, now seen corresponding path program 1 times [2024-12-02 05:50:54,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:54,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819345025] [2024-12-02 05:50:54,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:54,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:55,143 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:50:55,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:55,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819345025] [2024-12-02 05:50:55,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819345025] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:55,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:55,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 05:50:55,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120168682] [2024-12-02 05:50:55,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:55,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:50:55,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:55,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:50:55,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:50:55,145 INFO L87 Difference]: Start difference. First operand 291 states and 411 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:55,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:55,388 INFO L93 Difference]: Finished difference Result 489 states and 688 transitions. [2024-12-02 05:50:55,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 05:50:55,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 97 [2024-12-02 05:50:55,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:55,391 INFO L225 Difference]: With dead ends: 489 [2024-12-02 05:50:55,391 INFO L226 Difference]: Without dead ends: 365 [2024-12-02 05:50:55,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:50:55,392 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 322 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:55,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 867 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:50:55,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-12-02 05:50:55,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 287. [2024-12-02 05:50:55,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 256 states have (on average 1.3671875) internal successors, (350), 256 states have internal predecessors, (350), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 05:50:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 404 transitions. [2024-12-02 05:50:55,404 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 404 transitions. Word has length 97 [2024-12-02 05:50:55,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:55,404 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 404 transitions. [2024-12-02 05:50:55,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:55,404 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 404 transitions. [2024-12-02 05:50:55,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 05:50:55,405 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:55,405 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:55,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 05:50:55,406 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:55,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:55,406 INFO L85 PathProgramCache]: Analyzing trace with hash -266012127, now seen corresponding path program 1 times [2024-12-02 05:50:55,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:55,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811875986] [2024-12-02 05:50:55,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:55,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:50:55,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:55,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811875986] [2024-12-02 05:50:55,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811875986] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:55,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:55,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 05:50:55,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151571732] [2024-12-02 05:50:55,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:55,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:50:55,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:55,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:50:55,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:50:55,642 INFO L87 Difference]: Start difference. First operand 287 states and 404 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:56,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:56,049 INFO L93 Difference]: Finished difference Result 782 states and 1108 transitions. [2024-12-02 05:50:56,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 05:50:56,050 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 97 [2024-12-02 05:50:56,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:56,052 INFO L225 Difference]: With dead ends: 782 [2024-12-02 05:50:56,052 INFO L226 Difference]: Without dead ends: 546 [2024-12-02 05:50:56,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-12-02 05:50:56,054 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 243 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:56,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 671 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:50:56,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-12-02 05:50:56,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 302. [2024-12-02 05:50:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 271 states have (on average 1.3579335793357934) internal successors, (368), 271 states have internal predecessors, (368), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 05:50:56,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 422 transitions. [2024-12-02 05:50:56,072 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 422 transitions. Word has length 97 [2024-12-02 05:50:56,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:56,073 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 422 transitions. [2024-12-02 05:50:56,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:56,073 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 422 transitions. [2024-12-02 05:50:56,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 05:50:56,074 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:56,074 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:56,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 05:50:56,074 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:56,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:56,075 INFO L85 PathProgramCache]: Analyzing trace with hash -203972513, now seen corresponding path program 1 times [2024-12-02 05:50:56,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:56,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965579473] [2024-12-02 05:50:56,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:56,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:56,354 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:50:56,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:56,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965579473] [2024-12-02 05:50:56,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965579473] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:56,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:56,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 05:50:56,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668539734] [2024-12-02 05:50:56,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:56,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:50:56,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:56,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:50:56,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:50:56,355 INFO L87 Difference]: Start difference. First operand 302 states and 422 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 05:50:56,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:56,423 INFO L93 Difference]: Finished difference Result 490 states and 689 transitions. [2024-12-02 05:50:56,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 05:50:56,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 97 [2024-12-02 05:50:56,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:56,425 INFO L225 Difference]: With dead ends: 490 [2024-12-02 05:50:56,425 INFO L226 Difference]: Without dead ends: 371 [2024-12-02 05:50:56,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:50:56,426 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 78 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:56,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 751 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:56,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-12-02 05:50:56,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 302. [2024-12-02 05:50:56,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 271 states have (on average 1.3542435424354244) internal successors, (367), 271 states have internal predecessors, (367), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 05:50:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 421 transitions. [2024-12-02 05:50:56,437 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 421 transitions. Word has length 97 [2024-12-02 05:50:56,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:56,438 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 421 transitions. [2024-12-02 05:50:56,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 05:50:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 421 transitions. [2024-12-02 05:50:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 05:50:56,439 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:56,439 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:56,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 05:50:56,439 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:56,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:56,439 INFO L85 PathProgramCache]: Analyzing trace with hash 14882205, now seen corresponding path program 1 times [2024-12-02 05:50:56,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:56,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466950626] [2024-12-02 05:50:56,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:56,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:50:56,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:56,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466950626] [2024-12-02 05:50:56,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466950626] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:56,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:56,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 05:50:56,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832064210] [2024-12-02 05:50:56,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:56,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 05:50:56,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:56,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 05:50:56,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:50:56,879 INFO L87 Difference]: Start difference. First operand 302 states and 421 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 05:50:57,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:57,566 INFO L93 Difference]: Finished difference Result 696 states and 974 transitions. [2024-12-02 05:50:57,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 05:50:57,566 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 97 [2024-12-02 05:50:57,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:57,568 INFO L225 Difference]: With dead ends: 696 [2024-12-02 05:50:57,568 INFO L226 Difference]: Without dead ends: 457 [2024-12-02 05:50:57,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-12-02 05:50:57,569 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 245 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:57,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 840 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 05:50:57,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-12-02 05:50:57,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 310. [2024-12-02 05:50:57,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 279 states have (on average 1.3476702508960574) internal successors, (376), 279 states have internal predecessors, (376), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 05:50:57,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 430 transitions. [2024-12-02 05:50:57,585 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 430 transitions. Word has length 97 [2024-12-02 05:50:57,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:57,585 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 430 transitions. [2024-12-02 05:50:57,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 05:50:57,585 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 430 transitions. [2024-12-02 05:50:57,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 05:50:57,586 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:57,586 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:57,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 05:50:57,586 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:57,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:57,587 INFO L85 PathProgramCache]: Analyzing trace with hash -943007405, now seen corresponding path program 1 times [2024-12-02 05:50:57,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:57,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329159915] [2024-12-02 05:50:57,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:57,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:57,701 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:50:57,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:57,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329159915] [2024-12-02 05:50:57,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329159915] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:57,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:57,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:50:57,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52491286] [2024-12-02 05:50:57,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:57,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:57,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:57,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:57,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:57,703 INFO L87 Difference]: Start difference. First operand 310 states and 430 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:57,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:57,715 INFO L93 Difference]: Finished difference Result 430 states and 597 transitions. [2024-12-02 05:50:57,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:57,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-12-02 05:50:57,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:57,717 INFO L225 Difference]: With dead ends: 430 [2024-12-02 05:50:57,717 INFO L226 Difference]: Without dead ends: 184 [2024-12-02 05:50:57,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:57,718 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:57,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 273 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:57,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-12-02 05:50:57,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 182. [2024-12-02 05:50:57,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 161 states have (on average 1.3043478260869565) internal successors, (210), 161 states have internal predecessors, (210), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:50:57,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 246 transitions. [2024-12-02 05:50:57,727 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 246 transitions. Word has length 98 [2024-12-02 05:50:57,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:57,727 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 246 transitions. [2024-12-02 05:50:57,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:50:57,727 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 246 transitions. [2024-12-02 05:50:57,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 05:50:57,728 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:57,728 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:57,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 05:50:57,728 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:57,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:57,729 INFO L85 PathProgramCache]: Analyzing trace with hash 79469469, now seen corresponding path program 1 times [2024-12-02 05:50:57,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:57,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066073596] [2024-12-02 05:50:57,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:57,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:58,167 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 05:50:58,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:58,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066073596] [2024-12-02 05:50:58,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066073596] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:58,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320309589] [2024-12-02 05:50:58,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:58,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:58,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:58,169 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:58,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 05:50:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:58,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 05:50:58,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:58,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-12-02 05:50:58,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-12-02 05:50:59,025 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 83 proven. 12 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-02 05:50:59,026 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:51:00,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2024-12-02 05:51:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 33 proven. 12 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-12-02 05:51:00,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320309589] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:51:00,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:51:00,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 14] total 31 [2024-12-02 05:51:00,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186428350] [2024-12-02 05:51:00,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:51:00,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-12-02 05:51:00,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:00,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-12-02 05:51:00,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2024-12-02 05:51:00,356 INFO L87 Difference]: Start difference. First operand 182 states and 246 transitions. Second operand has 31 states, 26 states have (on average 4.961538461538462) internal successors, (129), 30 states have internal predecessors, (129), 10 states have call successors, (27), 4 states have call predecessors, (27), 8 states have return successors, (27), 6 states have call predecessors, (27), 10 states have call successors, (27) [2024-12-02 05:51:01,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:01,778 INFO L93 Difference]: Finished difference Result 409 states and 554 transitions. [2024-12-02 05:51:01,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-02 05:51:01,778 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 26 states have (on average 4.961538461538462) internal successors, (129), 30 states have internal predecessors, (129), 10 states have call successors, (27), 4 states have call predecessors, (27), 8 states have return successors, (27), 6 states have call predecessors, (27), 10 states have call successors, (27) Word has length 99 [2024-12-02 05:51:01,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:01,780 INFO L225 Difference]: With dead ends: 409 [2024-12-02 05:51:01,780 INFO L226 Difference]: Without dead ends: 298 [2024-12-02 05:51:01,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=555, Invalid=1895, Unknown=0, NotChecked=0, Total=2450 [2024-12-02 05:51:01,782 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 783 mSDsluCounter, 1848 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:01,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1941 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 05:51:01,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-12-02 05:51:01,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 196. [2024-12-02 05:51:01,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 173 states have (on average 1.2890173410404624) internal successors, (223), 173 states have internal predecessors, (223), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:51:01,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 259 transitions. [2024-12-02 05:51:01,797 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 259 transitions. Word has length 99 [2024-12-02 05:51:01,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:01,797 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 259 transitions. [2024-12-02 05:51:01,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 26 states have (on average 4.961538461538462) internal successors, (129), 30 states have internal predecessors, (129), 10 states have call successors, (27), 4 states have call predecessors, (27), 8 states have return successors, (27), 6 states have call predecessors, (27), 10 states have call successors, (27) [2024-12-02 05:51:01,797 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 259 transitions. [2024-12-02 05:51:01,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 05:51:01,798 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:01,798 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:01,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 05:51:01,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 05:51:01,999 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:01,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:01,999 INFO L85 PathProgramCache]: Analyzing trace with hash -538798334, now seen corresponding path program 1 times [2024-12-02 05:51:01,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:01,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573206122] [2024-12-02 05:51:01,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:02,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:51:02,064 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:51:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:51:02,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 05:51:02,160 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 05:51:02,161 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 05:51:02,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 05:51:02,166 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:02,224 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 05:51:02,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:51:02 BoogieIcfgContainer [2024-12-02 05:51:02,226 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 05:51:02,227 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:51:02,227 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:51:02,227 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:51:02,228 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:47" (3/4) ... [2024-12-02 05:51:02,230 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 05:51:02,230 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:51:02,231 INFO L158 Benchmark]: Toolchain (without parser) took 15745.38ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 117.2MB in the beginning and 172.0MB in the end (delta: -54.8MB). Peak memory consumption was 204.3MB. Max. memory is 16.1GB. [2024-12-02 05:51:02,231 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:51:02,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.70ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 102.5MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:51:02,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.52ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 98.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:51:02,232 INFO L158 Benchmark]: Boogie Preprocessor took 66.61ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 94.7MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:51:02,232 INFO L158 Benchmark]: RCFGBuilder took 632.98ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 62.8MB in the end (delta: 32.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 05:51:02,233 INFO L158 Benchmark]: TraceAbstraction took 14704.74ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 62.0MB in the beginning and 172.0MB in the end (delta: -110.0MB). Peak memory consumption was 153.9MB. Max. memory is 16.1GB. [2024-12-02 05:51:02,233 INFO L158 Benchmark]: Witness Printer took 3.49ms. Allocated memory is still 402.7MB. Free memory was 172.0MB in the beginning and 172.0MB in the end (delta: 53.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:51:02,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.70ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 102.5MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.52ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 98.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.61ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 94.7MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 632.98ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 62.8MB in the end (delta: 32.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 14704.74ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 62.0MB in the beginning and 172.0MB in the end (delta: -110.0MB). Peak memory consumption was 153.9MB. Max. memory is 16.1GB. * Witness Printer took 3.49ms. Allocated memory is still 402.7MB. Free memory was 172.0MB in the beginning and 172.0MB in the end (delta: 53.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of bitwiseAnd at line 57, overapproximation of someBinaryArithmeticFLOAToperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] float float_Array_0[2][2] = { {64.2, 128.75}, {7.6, 5.9} }; [L25-L27] float float_Array_0[2][2] = { {64.2, 128.75}, {7.6, 5.9} }; [L25-L27] float float_Array_0[2][2] = { {64.2, 128.75}, {7.6, 5.9} }; [L25-L27] float float_Array_0[2][2] = { {64.2, 128.75}, {7.6, 5.9} }; [L25-L27] float float_Array_0[2][2] = { {64.2, 128.75}, {7.6, 5.9} }; [L28-L30] signed short int signed_short_int_Array_0[1] = { -5 }; [L28-L30] signed short int signed_short_int_Array_0[1] = { -5 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[2] = { 3135928546, 8 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[2] = { 3135928546, 8 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[2] = { 3135928546, 8 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[2] = { 44772, 256 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[2] = { 44772, 256 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[2] = { 44772, 256 }; [L37] signed short int last_1_signed_short_int_Array_0_0_ = -5; [L38] unsigned long int last_1_unsigned_long_int_Array_0_1_ = 8; VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=0, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] isInitial = 1 [L97] FCALL initially() [L99] CALL updateLastVariables() [L88] EXPR signed_short_int_Array_0[0] [L88] last_1_signed_short_int_Array_0_0_ = signed_short_int_Array_0[0] [L89] EXPR unsigned_long_int_Array_0[1] [L89] last_1_unsigned_long_int_Array_0_1_ = unsigned_long_int_Array_0[1] [L99] RET updateLastVariables() [L100] CALL updateVariables() [L71] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L72] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] float_Array_0[0][0] = __VERIFIER_nondet_float() [L75] EXPR float_Array_0[0][0] [L75] EXPR float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F [L75] EXPR float_Array_0[0][0] [L75] EXPR float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 2305843.009213691390e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 2305843.009213691390e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not((float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 2305843.009213691390e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] RET assume_abort_if_not((float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 2305843.009213691390e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] float_Array_0[1][0] = __VERIFIER_nondet_float() [L77] EXPR float_Array_0[1][0] [L77] EXPR float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F [L77] EXPR float_Array_0[1][0] [L77] EXPR float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not((float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] RET assume_abort_if_not((float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] float_Array_0[0][1] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[0][1] [L79] EXPR float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F [L79] EXPR float_Array_0[0][1] [L79] EXPR float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not((float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] RET assume_abort_if_not((float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] unsigned_long_int_Array_0[0] = __VERIFIER_nondet_ulong() [L81] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] RET assume_abort_if_not(unsigned_long_int_Array_0[0] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] RET assume_abort_if_not(unsigned_long_int_Array_0[0] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L84] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L100] RET updateVariables() [L101] CALL step() [L42] signed long int stepLocal_0 = last_1_signed_short_int_Array_0_0_; [L43] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L43] COND TRUE BOOL_unsigned_char_Array_0[0] [L44] unsigned_short_int_Array_0[1] = last_1_signed_short_int_Array_0_0_ VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L50] EXPR unsigned_short_int_Array_0[1] [L50] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L50] COND TRUE unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1] [L51] EXPR unsigned_short_int_Array_0[1] [L51] signed_short_int_Array_0[0] = (unsigned_short_int_Array_0[1] + -16) [L57] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L57] EXPR unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_ VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, stepLocal_0=-5, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L57] COND TRUE last_1_unsigned_long_int_Array_0_1_ >= (unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_) [L58] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR ((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0]) [L58] EXPR ((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, stepLocal_0=-5, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR ((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)) [L58] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR ((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0]) [L58] EXPR ((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, stepLocal_0=-5, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR ((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, stepLocal_0=-5, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] unsigned_long_int_Array_0[1] = ((((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)))) [L66] EXPR signed_short_int_Array_0[0] [L66] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L66] COND TRUE signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1] [L67] EXPR float_Array_0[1][0] [L67] EXPR float_Array_0[0][0] [L67] EXPR float_Array_0[0][1] [L67] float_Array_0[1][1] = (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]) [L101] RET step() [L102] CALL, EXPR property() [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR (unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1) [L92] EXPR signed_short_int_Array_0[0] [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR (unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR ((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1)) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR ((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1)) [L92] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1) [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR ((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1)) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR (((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR (((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1) [L92] EXPR signed_short_int_Array_0[0] [L92] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR (signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1 [L92] EXPR float_Array_0[1][1] [L92] EXPR float_Array_0[1][0] [L92] EXPR float_Array_0[0][0] [L92] EXPR float_Array_0[0][1] [L92] EXPR (signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR (((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR ((((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1)) && ((last_1_unsigned_long_int_Array_0_1_ >= (unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_)) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)))))) : ((5.7 < float_Array_0[0][0]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)) : (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] EXPR ((((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1)) && ((last_1_unsigned_long_int_Array_0_1_ >= (unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_)) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)))))) : ((5.7 < float_Array_0[0][0]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)) : (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92-L93] return ((((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1)) && ((last_1_unsigned_long_int_Array_0_1_ >= (unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_)) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)))))) : ((5.7 < float_Array_0[0][0]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)) : (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)))) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.6s, OverallIterations: 15, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2778 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2777 mSDsluCounter, 10001 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7625 mSDsCounter, 281 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3990 IncrementalHoareTripleChecker+Invalid, 4271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 281 mSolverCounterUnsat, 2376 mSDtfsCounter, 3990 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 621 GetRequests, 484 SyntacticMatches, 1 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=12, InterpolantAutomatonStates: 98, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 1021 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 1711 NumberOfCodeBlocks, 1711 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1785 ConstructedInterpolants, 0 QuantifiedInterpolants, 10297 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1079 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 2654/2736 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 05:51:02,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/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_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/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_62c3b646-0d00-4739-a287-fb4217d2c1b5/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 f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:51:04,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:51:04,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 05:51:04,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:51:04,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:51:04,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:51:04,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:51:04,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:51:04,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:51:04,327 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:51:04,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:51:04,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:51:04,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:51:04,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:51:04,328 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:51:04,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:51:04,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:51:04,328 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:51:04,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:51:04,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:51:04,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:51:04,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:51:04,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:51:04,329 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 05:51:04,329 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 05:51:04,329 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 05:51:04,329 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:51:04,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:51:04,330 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:51:04,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:51:04,330 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:51:04,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:51:04,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:51:04,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:51:04,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:51:04,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:51:04,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:51:04,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:51:04,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:51:04,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:51:04,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:51:04,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:51:04,332 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:51:04,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:51:04,332 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 05:51:04,332 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 05:51:04,332 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:51:04,332 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:51:04,332 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:51:04,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:51:04,333 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_62c3b646-0d00-4739-a287-fb4217d2c1b5/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 -> f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b [2024-12-02 05:51:04,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:51:04,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:51:04,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:51:04,609 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:51:04,609 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:51:04,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i [2024-12-02 05:51:07,298 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/data/294e12ae8/cdfa346d416143ca872066cf9f037013/FLAG391ccc089 [2024-12-02 05:51:07,462 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:51:07,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i [2024-12-02 05:51:07,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/data/294e12ae8/cdfa346d416143ca872066cf9f037013/FLAG391ccc089 [2024-12-02 05:51:07,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/data/294e12ae8/cdfa346d416143ca872066cf9f037013 [2024-12-02 05:51:07,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:51:07,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:51:07,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:51:07,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:51:07,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:51:07,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:51:07" (1/1) ... [2024-12-02 05:51:07,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc89b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:07, skipping insertion in model container [2024-12-02 05:51:07,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:51:07" (1/1) ... [2024-12-02 05:51:07,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:51:07,950 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_62c3b646-0d00-4739-a287-fb4217d2c1b5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2024-12-02 05:51:07,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:51:08,008 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:51:08,015 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_62c3b646-0d00-4739-a287-fb4217d2c1b5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2024-12-02 05:51:08,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:51:08,063 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:51:08,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08 WrapperNode [2024-12-02 05:51:08,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:51:08,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:51:08,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:51:08,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:51:08,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2024-12-02 05:51:08,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2024-12-02 05:51:08,105 INFO L138 Inliner]: procedures = 36, calls = 121, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 399 [2024-12-02 05:51:08,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:51:08,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:51:08,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:51:08,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:51:08,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2024-12-02 05:51:08,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2024-12-02 05:51:08,120 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2024-12-02 05:51:08,138 INFO L175 MemorySlicer]: Split 96 memory accesses to 6 slices as follows [2, 8, 29, 8, 16, 33]. 34 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 1, 4, 1, 2, 2]. The 14 writes are split as follows [0, 1, 4, 2, 4, 3]. [2024-12-02 05:51:08,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2024-12-02 05:51:08,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2024-12-02 05:51:08,159 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2024-12-02 05:51:08,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2024-12-02 05:51:08,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2024-12-02 05:51:08,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2024-12-02 05:51:08,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2024-12-02 05:51:08,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:51:08,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:51:08,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:51:08,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:51:08,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2024-12-02 05:51:08,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:51:08,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:51:08,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:51:08,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:51:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:51:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 05:51:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 05:51:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 05:51:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 05:51:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 05:51:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 05:51:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 05:51:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 05:51:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 05:51:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 05:51:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 05:51:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 05:51:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 05:51:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 05:51:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 05:51:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 05:51:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 05:51:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 05:51:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 05:51:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 05:51:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 05:51:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 05:51:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 05:51:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-12-02 05:51:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 05:51:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 05:51:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 05:51:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 05:51:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 05:51:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 05:51:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 05:51:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 05:51:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 05:51:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 05:51:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 05:51:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-12-02 05:51:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 05:51:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 05:51:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 05:51:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 05:51:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 05:51:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 05:51:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 05:51:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 05:51:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 05:51:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 05:51:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 05:51:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 05:51:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 05:51:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 05:51:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 05:51:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 05:51:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 05:51:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 05:51:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:51:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:51:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:51:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:51:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 05:51:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 05:51:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 05:51:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 05:51:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 05:51:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 05:51:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 05:51:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 05:51:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 05:51:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 05:51:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 05:51:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 05:51:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 05:51:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 05:51:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 05:51:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 05:51:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 05:51:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-12-02 05:51:08,378 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:51:08,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:51:10,752 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-12-02 05:51:10,753 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:51:10,763 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:51:10,763 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:51:10,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:51:10 BoogieIcfgContainer [2024-12-02 05:51:10,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:51:10,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:51:10,765 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:51:10,769 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:51:10,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:51:07" (1/3) ... [2024-12-02 05:51:10,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1118cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:51:10, skipping insertion in model container [2024-12-02 05:51:10,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (2/3) ... [2024-12-02 05:51:10,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1118cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:51:10, skipping insertion in model container [2024-12-02 05:51:10,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:51:10" (3/3) ... [2024-12-02 05:51:10,771 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-22.i [2024-12-02 05:51:10,782 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:51:10,783 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-22.i that has 2 procedures, 99 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:51:10,825 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:51:10,835 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;@2ec1dc08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:51:10,835 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:51:10,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 05:51:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 05:51:10,845 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:10,846 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:10,846 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:10,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:10,852 INFO L85 PathProgramCache]: Analyzing trace with hash 319776311, now seen corresponding path program 1 times [2024-12-02 05:51:10,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:10,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838862140] [2024-12-02 05:51:10,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:10,871 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 05:51:10,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:10,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:10,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:11,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:51:11,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-02 05:51:11,295 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:51:11,296 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:11,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1838862140] [2024-12-02 05:51:11,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1838862140] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:11,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:11,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:51:11,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008204545] [2024-12-02 05:51:11,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:11,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:51:11,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:51:11,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:51:11,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:51:11,320 INFO L87 Difference]: Start difference. First operand has 99 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 05:51:11,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:11,340 INFO L93 Difference]: Finished difference Result 188 states and 286 transitions. [2024-12-02 05:51:11,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:51:11,341 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2024-12-02 05:51:11,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:11,345 INFO L225 Difference]: With dead ends: 188 [2024-12-02 05:51:11,345 INFO L226 Difference]: Without dead ends: 92 [2024-12-02 05:51:11,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 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 05:51:11,349 INFO L435 NwaCegarLoop]: 129 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, 129 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 05:51:11,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:51:11,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-12-02 05:51:11,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-12-02 05:51:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 05:51:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2024-12-02 05:51:11,384 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 89 [2024-12-02 05:51:11,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:11,384 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2024-12-02 05:51:11,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 05:51:11,384 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2024-12-02 05:51:11,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 05:51:11,387 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:11,387 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:11,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:11,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:11,588 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:11,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:11,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1115954811, now seen corresponding path program 1 times [2024-12-02 05:51:11,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:11,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132970285] [2024-12-02 05:51:11,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:11,590 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:51:11,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:11,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:11,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:11,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 05:51:11,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:12,027 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-12-02 05:51:12,027 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:51:12,027 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:12,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132970285] [2024-12-02 05:51:12,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132970285] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:12,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:12,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:51:12,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061268777] [2024-12-02 05:51:12,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:12,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:51:12,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:51:12,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:51:12,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:51:12,030 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 05:51:12,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:12,088 INFO L93 Difference]: Finished difference Result 183 states and 258 transitions. [2024-12-02 05:51:12,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:51:12,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2024-12-02 05:51:12,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:12,090 INFO L225 Difference]: With dead ends: 183 [2024-12-02 05:51:12,090 INFO L226 Difference]: Without dead ends: 94 [2024-12-02 05:51:12,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 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 05:51:12,091 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 370 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 05:51:12,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 370 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:51:12,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-12-02 05:51:12,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-12-02 05:51:12,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 05:51:12,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 131 transitions. [2024-12-02 05:51:12,101 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 131 transitions. Word has length 92 [2024-12-02 05:51:12,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:12,102 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 131 transitions. [2024-12-02 05:51:12,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 05:51:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 131 transitions. [2024-12-02 05:51:12,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 05:51:12,104 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:12,104 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:12,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:12,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:12,305 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:12,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:12,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1444908035, now seen corresponding path program 1 times [2024-12-02 05:51:12,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:12,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697387699] [2024-12-02 05:51:12,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:12,306 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 05:51:12,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:12,307 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:12,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:12,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 05:51:12,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:13,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 05:51:13,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2024-12-02 05:51:13,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 60 [2024-12-02 05:51:13,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 51 [2024-12-02 05:51:13,532 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:51:13,532 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:51:13,533 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:13,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697387699] [2024-12-02 05:51:13,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [697387699] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:13,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:13,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 05:51:13,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205448551] [2024-12-02 05:51:13,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:13,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 05:51:13,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:51:13,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 05:51:13,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 05:51:13,534 INFO L87 Difference]: Start difference. First operand 94 states and 131 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:14,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:14,682 INFO L93 Difference]: Finished difference Result 503 states and 704 transitions. [2024-12-02 05:51:14,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 05:51:14,683 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-12-02 05:51:14,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:14,686 INFO L225 Difference]: With dead ends: 503 [2024-12-02 05:51:14,686 INFO L226 Difference]: Without dead ends: 412 [2024-12-02 05:51:14,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:51:14,688 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 418 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:14,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1412 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 05:51:14,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-12-02 05:51:14,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 359. [2024-12-02 05:51:14,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 318 states have (on average 1.371069182389937) internal successors, (436), 318 states have internal predecessors, (436), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 05:51:14,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 508 transitions. [2024-12-02 05:51:14,737 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 508 transitions. Word has length 92 [2024-12-02 05:51:14,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:14,737 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 508 transitions. [2024-12-02 05:51:14,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:14,737 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 508 transitions. [2024-12-02 05:51:14,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 05:51:14,740 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:14,740 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:14,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:14,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:14,941 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:14,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:14,941 INFO L85 PathProgramCache]: Analyzing trace with hash 20350527, now seen corresponding path program 1 times [2024-12-02 05:51:14,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:14,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729874156] [2024-12-02 05:51:14,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:14,942 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 05:51:14,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:14,944 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:14,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:15,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 05:51:15,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:15,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 05:51:15,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-12-02 05:51:15,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2024-12-02 05:51:15,592 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:51:15,592 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:51:15,592 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:15,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729874156] [2024-12-02 05:51:15,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729874156] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:15,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:15,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:51:15,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317311442] [2024-12-02 05:51:15,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:15,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:51:15,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:51:15,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:51:15,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:51:15,594 INFO L87 Difference]: Start difference. First operand 359 states and 508 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:16,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:16,246 INFO L93 Difference]: Finished difference Result 723 states and 1013 transitions. [2024-12-02 05:51:16,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 05:51:16,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 93 [2024-12-02 05:51:16,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:16,250 INFO L225 Difference]: With dead ends: 723 [2024-12-02 05:51:16,250 INFO L226 Difference]: Without dead ends: 367 [2024-12-02 05:51:16,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:51:16,252 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 405 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:16,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 1013 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 05:51:16,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-12-02 05:51:16,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 271. [2024-12-02 05:51:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 240 states have (on average 1.3625) internal successors, (327), 240 states have internal predecessors, (327), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 05:51:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 381 transitions. [2024-12-02 05:51:16,275 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 381 transitions. Word has length 93 [2024-12-02 05:51:16,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:16,275 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 381 transitions. [2024-12-02 05:51:16,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 381 transitions. [2024-12-02 05:51:16,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 05:51:16,277 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:16,277 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:16,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-12-02 05:51:16,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:16,478 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:16,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:16,478 INFO L85 PathProgramCache]: Analyzing trace with hash -2059599653, now seen corresponding path program 1 times [2024-12-02 05:51:16,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:16,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088758035] [2024-12-02 05:51:16,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:16,479 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 05:51:16,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:16,481 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:16,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:16,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 05:51:16,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:51:16,821 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:51:16,821 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:16,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088758035] [2024-12-02 05:51:16,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088758035] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:16,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:16,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:51:16,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689395801] [2024-12-02 05:51:16,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:16,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:51:16,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:51:16,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:51:16,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:51:16,823 INFO L87 Difference]: Start difference. First operand 271 states and 381 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:16,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:16,865 INFO L93 Difference]: Finished difference Result 553 states and 779 transitions. [2024-12-02 05:51:16,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:51:16,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 93 [2024-12-02 05:51:16,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:16,868 INFO L225 Difference]: With dead ends: 553 [2024-12-02 05:51:16,868 INFO L226 Difference]: Without dead ends: 285 [2024-12-02 05:51:16,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:51:16,869 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 20 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:16,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 248 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:51:16,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-12-02 05:51:16,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 199. [2024-12-02 05:51:16,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 178 states have (on average 1.353932584269663) internal successors, (241), 178 states have internal predecessors, (241), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:51:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 277 transitions. [2024-12-02 05:51:16,883 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 277 transitions. Word has length 93 [2024-12-02 05:51:16,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:16,884 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 277 transitions. [2024-12-02 05:51:16,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 277 transitions. [2024-12-02 05:51:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 05:51:16,885 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:16,886 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:16,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:17,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:17,086 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:17,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:17,087 INFO L85 PathProgramCache]: Analyzing trace with hash 88970302, now seen corresponding path program 1 times [2024-12-02 05:51:17,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:17,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039951642] [2024-12-02 05:51:17,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:17,087 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 05:51:17,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:17,089 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:17,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:17,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 05:51:17,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:17,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 05:51:17,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-12-02 05:51:17,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2024-12-02 05:51:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:51:17,768 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:51:17,768 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:17,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039951642] [2024-12-02 05:51:17,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039951642] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:17,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:17,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 05:51:17,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181857516] [2024-12-02 05:51:17,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:17,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 05:51:17,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:51:17,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 05:51:17,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 05:51:17,769 INFO L87 Difference]: Start difference. First operand 199 states and 277 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:18,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:18,325 INFO L93 Difference]: Finished difference Result 369 states and 508 transitions. [2024-12-02 05:51:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 05:51:18,326 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2024-12-02 05:51:18,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:18,328 INFO L225 Difference]: With dead ends: 369 [2024-12-02 05:51:18,328 INFO L226 Difference]: Without dead ends: 278 [2024-12-02 05:51:18,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-12-02 05:51:18,329 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 285 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:18,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 919 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 05:51:18,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-12-02 05:51:18,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 207. [2024-12-02 05:51:18,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 186 states have (on average 1.3548387096774193) internal successors, (252), 186 states have internal predecessors, (252), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:51:18,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 288 transitions. [2024-12-02 05:51:18,341 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 288 transitions. Word has length 94 [2024-12-02 05:51:18,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:18,341 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 288 transitions. [2024-12-02 05:51:18,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:18,341 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 288 transitions. [2024-12-02 05:51:18,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 05:51:18,342 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:18,342 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:18,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:18,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:18,543 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:18,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:18,543 INFO L85 PathProgramCache]: Analyzing trace with hash 981629577, now seen corresponding path program 1 times [2024-12-02 05:51:18,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:18,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [631729231] [2024-12-02 05:51:18,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:18,544 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 05:51:18,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:18,545 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:18,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:18,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 05:51:18,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:18,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 05:51:18,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-12-02 05:51:19,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2024-12-02 05:51:19,027 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:51:19,027 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:51:19,027 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:19,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [631729231] [2024-12-02 05:51:19,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [631729231] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:19,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:19,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:51:19,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066009592] [2024-12-02 05:51:19,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:19,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:51:19,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:51:19,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:51:19,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:51:19,028 INFO L87 Difference]: Start difference. First operand 207 states and 288 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:19,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:19,397 INFO L93 Difference]: Finished difference Result 418 states and 576 transitions. [2024-12-02 05:51:19,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 05:51:19,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2024-12-02 05:51:19,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:19,400 INFO L225 Difference]: With dead ends: 418 [2024-12-02 05:51:19,400 INFO L226 Difference]: Without dead ends: 319 [2024-12-02 05:51:19,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:51:19,400 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 328 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:19,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 949 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:51:19,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-12-02 05:51:19,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 203. [2024-12-02 05:51:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 182 states have (on average 1.3461538461538463) internal successors, (245), 182 states have internal predecessors, (245), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:51:19,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 281 transitions. [2024-12-02 05:51:19,410 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 281 transitions. Word has length 94 [2024-12-02 05:51:19,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:19,410 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 281 transitions. [2024-12-02 05:51:19,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:19,411 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 281 transitions. [2024-12-02 05:51:19,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 05:51:19,412 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:19,412 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:19,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 05:51:19,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:19,612 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:19,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:19,613 INFO L85 PathProgramCache]: Analyzing trace with hash -186725034, now seen corresponding path program 1 times [2024-12-02 05:51:19,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:19,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160492496] [2024-12-02 05:51:19,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:19,613 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 05:51:19,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:19,615 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:19,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:19,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 05:51:19,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:20,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 05:51:20,196 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-02 05:51:20,196 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:51:20,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-12-02 05:51:20,493 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:20,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160492496] [2024-12-02 05:51:20,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [160492496] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:51:20,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [265492306] [2024-12-02 05:51:20,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:20,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 05:51:20,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 05:51:20,496 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 05:51:20,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-02 05:51:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:21,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 05:51:21,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:21,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-12-02 05:51:21,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-12-02 05:51:21,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 58 [2024-12-02 05:51:21,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2024-12-02 05:51:21,806 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:51:21,806 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:51:21,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [265492306] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:21,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:51:21,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 13 [2024-12-02 05:51:21,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943735258] [2024-12-02 05:51:21,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:21,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 05:51:21,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:51:21,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 05:51:21,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2024-12-02 05:51:21,808 INFO L87 Difference]: Start difference. First operand 203 states and 281 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:23,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:23,163 INFO L93 Difference]: Finished difference Result 715 states and 992 transitions. [2024-12-02 05:51:23,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 05:51:23,164 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 95 [2024-12-02 05:51:23,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:23,165 INFO L225 Difference]: With dead ends: 715 [2024-12-02 05:51:23,166 INFO L226 Difference]: Without dead ends: 624 [2024-12-02 05:51:23,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=123, Invalid=633, Unknown=0, NotChecked=0, Total=756 [2024-12-02 05:51:23,166 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 405 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1628 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:23,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 1628 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 05:51:23,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2024-12-02 05:51:23,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 265. [2024-12-02 05:51:23,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 234 states have (on average 1.3418803418803418) internal successors, (314), 234 states have internal predecessors, (314), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 05:51:23,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 368 transitions. [2024-12-02 05:51:23,185 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 368 transitions. Word has length 95 [2024-12-02 05:51:23,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:23,185 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 368 transitions. [2024-12-02 05:51:23,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:23,185 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 368 transitions. [2024-12-02 05:51:23,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 05:51:23,186 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:23,186 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:23,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:23,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-02 05:51:23,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 05:51:23,587 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:23,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:23,587 INFO L85 PathProgramCache]: Analyzing trace with hash -320738540, now seen corresponding path program 1 times [2024-12-02 05:51:23,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:23,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849326604] [2024-12-02 05:51:23,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:23,588 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 05:51:23,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:23,589 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:23,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:23,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 05:51:23,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:23,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-12-02 05:51:24,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 05:51:24,335 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-12-02 05:51:24,335 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:51:25,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2024-12-02 05:51:25,067 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:25,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849326604] [2024-12-02 05:51:25,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849326604] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:51:25,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [257466553] [2024-12-02 05:51:25,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:25,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 05:51:25,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 05:51:25,069 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 05:51:25,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-02 05:51:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:26,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 05:51:26,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:26,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2024-12-02 05:51:26,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2024-12-02 05:51:26,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 54 [2024-12-02 05:51:26,812 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 05:51:26,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 59 [2024-12-02 05:51:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-02 05:51:26,881 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:51:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:51:27,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [257466553] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 05:51:27,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 05:51:27,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 11] total 22 [2024-12-02 05:51:27,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706194135] [2024-12-02 05:51:27,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:27,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:51:27,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:51:27,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:51:27,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2024-12-02 05:51:27,067 INFO L87 Difference]: Start difference. First operand 265 states and 368 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:27,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:27,385 INFO L93 Difference]: Finished difference Result 446 states and 620 transitions. [2024-12-02 05:51:27,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:51:27,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 95 [2024-12-02 05:51:27,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:27,387 INFO L225 Difference]: With dead ends: 446 [2024-12-02 05:51:27,387 INFO L226 Difference]: Without dead ends: 355 [2024-12-02 05:51:27,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=111, Invalid=819, Unknown=0, NotChecked=0, Total=930 [2024-12-02 05:51:27,388 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 110 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:27,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 588 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:51:27,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-12-02 05:51:27,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 217. [2024-12-02 05:51:27,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 196 states have (on average 1.346938775510204) internal successors, (264), 196 states have internal predecessors, (264), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:51:27,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 300 transitions. [2024-12-02 05:51:27,400 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 300 transitions. Word has length 95 [2024-12-02 05:51:27,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:27,401 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 300 transitions. [2024-12-02 05:51:27,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:27,401 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 300 transitions. [2024-12-02 05:51:27,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 05:51:27,402 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:27,402 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:27,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-02 05:51:27,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:27,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:27,803 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:27,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:27,803 INFO L85 PathProgramCache]: Analyzing trace with hash -485344457, now seen corresponding path program 1 times [2024-12-02 05:51:27,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:27,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091114391] [2024-12-02 05:51:27,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:27,803 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 05:51:27,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:27,805 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:27,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-12-02 05:51:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:28,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 05:51:28,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:28,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 05:51:28,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2024-12-02 05:51:28,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-12-02 05:51:28,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-12-02 05:51:28,723 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:51:28,723 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:51:28,724 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:28,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091114391] [2024-12-02 05:51:28,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091114391] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:28,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:28,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 05:51:28,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669282570] [2024-12-02 05:51:28,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:28,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:51:28,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:51:28,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:51:28,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:51:28,725 INFO L87 Difference]: Start difference. First operand 217 states and 300 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:30,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:30,509 INFO L93 Difference]: Finished difference Result 415 states and 574 transitions. [2024-12-02 05:51:30,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 05:51:30,510 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-12-02 05:51:30,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:30,511 INFO L225 Difference]: With dead ends: 415 [2024-12-02 05:51:30,511 INFO L226 Difference]: Without dead ends: 310 [2024-12-02 05:51:30,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:51:30,512 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 271 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:30,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 800 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 05:51:30,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-12-02 05:51:30,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 306. [2024-12-02 05:51:30,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 275 states have (on average 1.3490909090909091) internal successors, (371), 275 states have internal predecessors, (371), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 05:51:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 425 transitions. [2024-12-02 05:51:30,522 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 425 transitions. Word has length 96 [2024-12-02 05:51:30,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:30,523 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 425 transitions. [2024-12-02 05:51:30,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 05:51:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 425 transitions. [2024-12-02 05:51:30,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 05:51:30,523 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:30,523 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:30,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-12-02 05:51:30,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:30,724 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:30,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:30,724 INFO L85 PathProgramCache]: Analyzing trace with hash 324002169, now seen corresponding path program 1 times [2024-12-02 05:51:30,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:30,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185751288] [2024-12-02 05:51:30,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:30,725 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 05:51:30,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:30,726 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:30,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-12-02 05:51:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:31,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 05:51:31,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:31,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-12-02 05:51:31,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 05:51:31,494 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-12-02 05:51:31,495 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:51:32,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2024-12-02 05:51:32,161 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:32,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185751288] [2024-12-02 05:51:32,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185751288] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:51:32,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2050566439] [2024-12-02 05:51:32,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:32,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 05:51:32,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 05:51:32,163 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 05:51:32,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-02 05:51:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:33,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 05:51:33,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:33,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-12-02 05:51:33,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 05:51:33,747 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-12-02 05:51:33,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:51:34,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2024-12-02 05:51:34,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2050566439] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:51:34,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 05:51:34,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-12-02 05:51:34,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136752375] [2024-12-02 05:51:34,227 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 05:51:34,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 05:51:34,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:51:34,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 05:51:34,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-12-02 05:51:34,228 INFO L87 Difference]: Start difference. First operand 306 states and 425 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 05:51:35,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:35,006 INFO L93 Difference]: Finished difference Result 814 states and 1124 transitions. [2024-12-02 05:51:35,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 05:51:35,007 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2024-12-02 05:51:35,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:35,008 INFO L225 Difference]: With dead ends: 814 [2024-12-02 05:51:35,008 INFO L226 Difference]: Without dead ends: 511 [2024-12-02 05:51:35,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 281 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2024-12-02 05:51:35,009 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 161 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:35,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 816 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 05:51:35,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-12-02 05:51:35,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 381. [2024-12-02 05:51:35,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 339 states have (on average 1.3333333333333333) internal successors, (452), 339 states have internal predecessors, (452), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 05:51:35,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 524 transitions. [2024-12-02 05:51:35,027 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 524 transitions. Word has length 96 [2024-12-02 05:51:35,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:35,028 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 524 transitions. [2024-12-02 05:51:35,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 05:51:35,028 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 524 transitions. [2024-12-02 05:51:35,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 05:51:35,029 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:35,029 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:35,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-12-02 05:51:35,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-02 05:51:35,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 05:51:35,430 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:35,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:35,430 INFO L85 PathProgramCache]: Analyzing trace with hash 542856887, now seen corresponding path program 1 times [2024-12-02 05:51:35,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:35,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471107308] [2024-12-02 05:51:35,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:35,430 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 05:51:35,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:35,432 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:35,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-12-02 05:51:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:35,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 05:51:35,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:35,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-12-02 05:51:36,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 05:51:36,501 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-12-02 05:51:36,501 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:51:36,727 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:36,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1471107308] [2024-12-02 05:51:36,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1471107308] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:51:36,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [490352242] [2024-12-02 05:51:36,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:36,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 05:51:36,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 05:51:36,730 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 05:51:36,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-02 05:51:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:38,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 05:51:38,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:38,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-12-02 05:51:38,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 05:51:38,819 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-12-02 05:51:38,819 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:51:38,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [490352242] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:51:38,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 05:51:38,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-12-02 05:51:38,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340572144] [2024-12-02 05:51:38,932 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 05:51:38,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 05:51:38,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:51:38,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 05:51:38,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-12-02 05:51:38,933 INFO L87 Difference]: Start difference. First operand 381 states and 524 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 05:51:40,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:40,083 INFO L93 Difference]: Finished difference Result 814 states and 1120 transitions. [2024-12-02 05:51:40,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 05:51:40,084 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2024-12-02 05:51:40,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:40,086 INFO L225 Difference]: With dead ends: 814 [2024-12-02 05:51:40,086 INFO L226 Difference]: Without dead ends: 511 [2024-12-02 05:51:40,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 237 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-12-02 05:51:40,087 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 154 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:40,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 819 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 05:51:40,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-12-02 05:51:40,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 381. [2024-12-02 05:51:40,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 339 states have (on average 1.3333333333333333) internal successors, (452), 339 states have internal predecessors, (452), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 05:51:40,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 524 transitions. [2024-12-02 05:51:40,105 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 524 transitions. Word has length 96 [2024-12-02 05:51:40,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:40,106 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 524 transitions. [2024-12-02 05:51:40,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 05:51:40,106 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 524 transitions. [2024-12-02 05:51:40,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 05:51:40,107 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:40,107 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:40,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-12-02 05:51:40,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-12-02 05:51:40,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:40,508 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:40,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:40,509 INFO L85 PathProgramCache]: Analyzing trace with hash 637583710, now seen corresponding path program 1 times [2024-12-02 05:51:40,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:51:40,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290005817] [2024-12-02 05:51:40,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:40,509 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 05:51:40,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:51:40,510 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 05:51:40,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c3b646-0d00-4739-a287-fb4217d2c1b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process