./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.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_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/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_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/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_60cb05bf-2607-4ddf-bb46-1010dacd5f61/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 998af785ff4fae0c3f310b9fe3b87371c69c6b583b1eb526ab6adc9853d45ab3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:27:01,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:27:01,226 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:27:01,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:27:01,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:27:01,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:27:01,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:27:01,250 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:27:01,250 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:27:01,250 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:27:01,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:27:01,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:27:01,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:27:01,251 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:27:01,251 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:27:01,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:27:01,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:27:01,251 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:27:01,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:27:01,251 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:27:01,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:27:01,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:27:01,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:27:01,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:27:01,252 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:27:01,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:27:01,252 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:27:01,252 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:27:01,252 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:27:01,252 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:27:01,252 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:27:01,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:27:01,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:27:01,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:27:01,253 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:27:01,253 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:27:01,253 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:27:01,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:27:01,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:27:01,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:27:01,253 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:27:01,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:27:01,253 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:27:01,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:27:01,253 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:27:01,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:27:01,253 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:27:01,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:27:01,254 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_60cb05bf-2607-4ddf-bb46-1010dacd5f61/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 -> 998af785ff4fae0c3f310b9fe3b87371c69c6b583b1eb526ab6adc9853d45ab3 [2024-12-02 06:27:01,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:27:01,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:27:01,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:27:01,482 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:27:01,482 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:27:01,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i [2024-12-02 06:27:04,098 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/data/295211913/89a27d1f78d64738bd45e626eef0d54e/FLAGe6a441474 [2024-12-02 06:27:04,302 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:27:04,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i [2024-12-02 06:27:04,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/data/295211913/89a27d1f78d64738bd45e626eef0d54e/FLAGe6a441474 [2024-12-02 06:27:04,649 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/data/295211913/89a27d1f78d64738bd45e626eef0d54e [2024-12-02 06:27:04,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:27:04,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:27:04,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:27:04,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:27:04,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:27:04,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eaf4648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04, skipping insertion in model container [2024-12-02 06:27:04,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,670 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:27:04,771 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_60cb05bf-2607-4ddf-bb46-1010dacd5f61/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i[916,929] [2024-12-02 06:27:04,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:27:04,828 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:27:04,837 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_60cb05bf-2607-4ddf-bb46-1010dacd5f61/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i[916,929] [2024-12-02 06:27:04,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:27:04,877 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:27:04,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04 WrapperNode [2024-12-02 06:27:04,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:27:04,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:27:04,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:27:04,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:27:04,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,923 INFO L138 Inliner]: procedures = 29, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 464 [2024-12-02 06:27:04,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:27:04,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:27:04,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:27:04,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:27:04,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,936 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,957 INFO L175 MemorySlicer]: Split 115 memory accesses to 12 slices as follows [2, 9, 35, 8, 7, 14, 5, 6, 6, 8, 9, 6]. 30 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 15 writes are split as follows [0, 2, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1]. [2024-12-02 06:27:04,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,973 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:27:04,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:27:04,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:27:04,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:27:04,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04" (1/1) ... [2024-12-02 06:27:04,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:27:05,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:27:05,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:27:05,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:27:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:27:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 06:27:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 06:27:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 06:27:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 06:27:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 06:27:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 06:27:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-12-02 06:27:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-12-02 06:27:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-12-02 06:27:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-12-02 06:27:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-12-02 06:27:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-12-02 06:27:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:27:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:27:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:27:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:27:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 06:27:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 06:27:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 06:27:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 06:27:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 06:27:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 06:27:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 06:27:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:27:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-12-02 06:27:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:27:05,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 06:27:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 06:27:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 06:27:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:27:05,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:27:05,201 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:27:05,202 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:27:05,632 INFO L? ?]: Removed 122 outVars from TransFormulas that were not future-live. [2024-12-02 06:27:05,632 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:27:05,643 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:27:05,643 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:27:05,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:05 BoogieIcfgContainer [2024-12-02 06:27:05,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:27:05,646 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:27:05,646 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:27:05,650 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:27:05,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:27:04" (1/3) ... [2024-12-02 06:27:05,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6252b074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:27:05, skipping insertion in model container [2024-12-02 06:27:05,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:04" (2/3) ... [2024-12-02 06:27:05,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6252b074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:27:05, skipping insertion in model container [2024-12-02 06:27:05,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:05" (3/3) ... [2024-12-02 06:27:05,652 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-42.i [2024-12-02 06:27:05,667 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:27:05,668 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-42.i that has 2 procedures, 100 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:27:05,721 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:27:05,733 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;@3df60981, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:27:05,733 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:27:05,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 87 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:05,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:05,747 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:05,747 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:05,748 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:05,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:05,753 INFO L85 PathProgramCache]: Analyzing trace with hash 990451809, now seen corresponding path program 1 times [2024-12-02 06:27:05,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:05,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23509789] [2024-12-02 06:27:05,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:05,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 06:27:06,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:27:06,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23509789] [2024-12-02 06:27:06,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23509789] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:27:06,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349128562] [2024-12-02 06:27:06,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:06,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:27:06,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:27:06,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:27:06,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:27:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:06,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:27:06,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:06,296 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 06:27:06,296 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:27:06,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349128562] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:06,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:27:06,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 06:27:06,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897942559] [2024-12-02 06:27:06,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:06,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:27:06,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:27:06,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:27:06,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:27:06,322 INFO L87 Difference]: Start difference. First operand has 100 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 87 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:27:06,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:06,342 INFO L93 Difference]: Finished difference Result 193 states and 293 transitions. [2024-12-02 06:27:06,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:27:06,343 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2024-12-02 06:27:06,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:06,347 INFO L225 Difference]: With dead ends: 193 [2024-12-02 06:27:06,348 INFO L226 Difference]: Without dead ends: 96 [2024-12-02 06:27:06,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 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 06:27:06,353 INFO L435 NwaCegarLoop]: 135 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, 135 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 06:27:06,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:27:06,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-12-02 06:27:06,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-12-02 06:27:06,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2024-12-02 06:27:06,403 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 103 [2024-12-02 06:27:06,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:06,403 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2024-12-02 06:27:06,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:27:06,403 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2024-12-02 06:27:06,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:06,406 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:06,406 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:06,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:27:06,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:27:06,607 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:06,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:06,608 INFO L85 PathProgramCache]: Analyzing trace with hash -214908817, now seen corresponding path program 1 times [2024-12-02 06:27:06,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:06,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717658423] [2024-12-02 06:27:06,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:06,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:06,817 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:06,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:27:06,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717658423] [2024-12-02 06:27:06,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717658423] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:06,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:06,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:27:06,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878319255] [2024-12-02 06:27:06,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:06,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:27:06,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:27:06,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:27:06,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:27:06,819 INFO L87 Difference]: Start difference. First operand 96 states and 135 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:27:06,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:06,854 INFO L93 Difference]: Finished difference Result 191 states and 270 transitions. [2024-12-02 06:27:06,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:27:06,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2024-12-02 06:27:06,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:06,856 INFO L225 Difference]: With dead ends: 191 [2024-12-02 06:27:06,856 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 06:27:06,857 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 06:27:06,858 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 388 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 06:27:06,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:27:06,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 06:27:06,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-12-02 06:27:06,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.3529411764705883) internal successors, (115), 85 states have internal predecessors, (115), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:06,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 137 transitions. [2024-12-02 06:27:06,868 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 137 transitions. Word has length 103 [2024-12-02 06:27:06,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:06,869 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 137 transitions. [2024-12-02 06:27:06,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:27:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2024-12-02 06:27:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:06,871 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:06,871 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:06,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:27:06,871 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:06,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:06,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1743665969, now seen corresponding path program 1 times [2024-12-02 06:27:06,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:06,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732033079] [2024-12-02 06:27:06,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:06,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:07,389 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:07,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:27:07,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732033079] [2024-12-02 06:27:07,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732033079] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:07,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:07,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:27:07,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542102493] [2024-12-02 06:27:07,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:07,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:27:07,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:27:07,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:27:07,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:27:07,397 INFO L87 Difference]: Start difference. First operand 98 states and 137 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:07,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:07,459 INFO L93 Difference]: Finished difference Result 193 states and 271 transitions. [2024-12-02 06:27:07,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:27:07,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 06:27:07,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:07,461 INFO L225 Difference]: With dead ends: 193 [2024-12-02 06:27:07,461 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 06:27:07,461 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 06:27:07,462 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:07,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 373 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:27:07,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 06:27:07,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-12-02 06:27:07,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 85 states have internal predecessors, (114), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:07,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 136 transitions. [2024-12-02 06:27:07,471 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 136 transitions. Word has length 103 [2024-12-02 06:27:07,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:07,471 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 136 transitions. [2024-12-02 06:27:07,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:07,472 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2024-12-02 06:27:07,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:07,473 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:07,473 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:07,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:27:07,474 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:07,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:07,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1884214579, now seen corresponding path program 1 times [2024-12-02 06:27:07,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:07,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880711843] [2024-12-02 06:27:07,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:07,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:07,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:27:07,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880711843] [2024-12-02 06:27:07,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880711843] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:07,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:07,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:27:07,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676015602] [2024-12-02 06:27:07,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:07,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:27:07,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:27:07,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:27:07,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:27:07,977 INFO L87 Difference]: Start difference. First operand 98 states and 136 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:08,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:08,022 INFO L93 Difference]: Finished difference Result 193 states and 269 transitions. [2024-12-02 06:27:08,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:27:08,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 06:27:08,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:08,024 INFO L225 Difference]: With dead ends: 193 [2024-12-02 06:27:08,024 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 06:27:08,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 06:27:08,025 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:08,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 370 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:27:08,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 06:27:08,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-12-02 06:27:08,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.3294117647058823) internal successors, (113), 85 states have internal predecessors, (113), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:08,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2024-12-02 06:27:08,032 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 103 [2024-12-02 06:27:08,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:08,032 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2024-12-02 06:27:08,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:08,032 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-12-02 06:27:08,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:08,034 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:08,034 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:08,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:27:08,034 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:08,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:08,035 INFO L85 PathProgramCache]: Analyzing trace with hash 873097329, now seen corresponding path program 1 times [2024-12-02 06:27:08,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:08,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923139423] [2024-12-02 06:27:08,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:08,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:08,684 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:08,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:27:08,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923139423] [2024-12-02 06:27:08,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923139423] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:08,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:08,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:27:08,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412592232] [2024-12-02 06:27:08,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:08,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:27:08,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:27:08,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:27:08,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:27:08,687 INFO L87 Difference]: Start difference. First operand 98 states and 135 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:08,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:08,807 INFO L93 Difference]: Finished difference Result 197 states and 272 transitions. [2024-12-02 06:27:08,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:27:08,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 06:27:08,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:08,809 INFO L225 Difference]: With dead ends: 197 [2024-12-02 06:27:08,809 INFO L226 Difference]: Without dead ends: 102 [2024-12-02 06:27:08,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:27:08,811 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 69 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:08,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 439 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:27:08,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-12-02 06:27:08,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2024-12-02 06:27:08,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 87 states have (on average 1.3218390804597702) internal successors, (115), 87 states have internal predecessors, (115), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:08,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 137 transitions. [2024-12-02 06:27:08,818 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 137 transitions. Word has length 103 [2024-12-02 06:27:08,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:08,818 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 137 transitions. [2024-12-02 06:27:08,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 137 transitions. [2024-12-02 06:27:08,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:08,820 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:08,820 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:08,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:27:08,821 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:08,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:08,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1574161907, now seen corresponding path program 1 times [2024-12-02 06:27:08,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:08,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590453023] [2024-12-02 06:27:08,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:08,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 06:27:09,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:27:09,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590453023] [2024-12-02 06:27:09,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590453023] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:27:09,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792674296] [2024-12-02 06:27:09,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:09,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:27:09,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:27:09,316 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:27:09,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 06:27:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:09,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 06:27:09,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:09,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 06:27:09,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:27:09,690 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 11 treesize of output 7 [2024-12-02 06:27:09,864 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:09,864 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:27:09,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792674296] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:09,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:27:09,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2024-12-02 06:27:09,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87200388] [2024-12-02 06:27:09,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:09,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:27:09,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:27:09,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:27:09,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:27:09,866 INFO L87 Difference]: Start difference. First operand 100 states and 137 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:10,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:10,269 INFO L93 Difference]: Finished difference Result 332 states and 457 transitions. [2024-12-02 06:27:10,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:27:10,270 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 06:27:10,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:10,272 INFO L225 Difference]: With dead ends: 332 [2024-12-02 06:27:10,272 INFO L226 Difference]: Without dead ends: 235 [2024-12-02 06:27:10,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:27:10,273 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 246 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:10,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1077 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:27:10,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-12-02 06:27:10,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 120. [2024-12-02 06:27:10,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 107 states have internal predecessors, (143), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:10,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 165 transitions. [2024-12-02 06:27:10,283 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 165 transitions. Word has length 103 [2024-12-02 06:27:10,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:10,284 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 165 transitions. [2024-12-02 06:27:10,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 165 transitions. [2024-12-02 06:27:10,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:10,285 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:10,285 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:10,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 06:27:10,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:27:10,486 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:10,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:10,486 INFO L85 PathProgramCache]: Analyzing trace with hash 502934860, now seen corresponding path program 1 times [2024-12-02 06:27:10,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:10,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496636170] [2024-12-02 06:27:10,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:10,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:10,717 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:10,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:27:10,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496636170] [2024-12-02 06:27:10,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496636170] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:10,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:10,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:27:10,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405306019] [2024-12-02 06:27:10,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:10,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:27:10,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:27:10,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:27:10,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:27:10,718 INFO L87 Difference]: Start difference. First operand 120 states and 165 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:10,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:10,755 INFO L93 Difference]: Finished difference Result 235 states and 324 transitions. [2024-12-02 06:27:10,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:27:10,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 06:27:10,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:10,757 INFO L225 Difference]: With dead ends: 235 [2024-12-02 06:27:10,757 INFO L226 Difference]: Without dead ends: 118 [2024-12-02 06:27:10,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 06:27:10,758 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:10,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 362 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:27:10,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-12-02 06:27:10,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-12-02 06:27:10,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 105 states have (on average 1.3142857142857143) internal successors, (138), 105 states have internal predecessors, (138), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 160 transitions. [2024-12-02 06:27:10,764 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 160 transitions. Word has length 103 [2024-12-02 06:27:10,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:10,765 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 160 transitions. [2024-12-02 06:27:10,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:10,765 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 160 transitions. [2024-12-02 06:27:10,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:10,766 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:10,766 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:10,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:27:10,766 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:10,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:10,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1022456582, now seen corresponding path program 1 times [2024-12-02 06:27:10,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:10,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639330218] [2024-12-02 06:27:10,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:10,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:10,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:27:10,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639330218] [2024-12-02 06:27:10,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639330218] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:10,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:10,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:27:10,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665717560] [2024-12-02 06:27:10,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:10,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:27:10,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:27:10,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:27:10,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:27:10,902 INFO L87 Difference]: Start difference. First operand 118 states and 160 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:10,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:10,912 INFO L93 Difference]: Finished difference Result 209 states and 283 transitions. [2024-12-02 06:27:10,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:27:10,913 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 06:27:10,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:10,914 INFO L225 Difference]: With dead ends: 209 [2024-12-02 06:27:10,914 INFO L226 Difference]: Without dead ends: 94 [2024-12-02 06:27:10,914 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 06:27:10,915 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 241 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 06:27:10,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:27:10,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-12-02 06:27:10,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-12-02 06:27:10,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 81 states have (on average 1.271604938271605) internal successors, (103), 81 states have internal predecessors, (103), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:10,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 125 transitions. [2024-12-02 06:27:10,919 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 125 transitions. Word has length 103 [2024-12-02 06:27:10,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:10,920 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 125 transitions. [2024-12-02 06:27:10,920 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:10,920 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2024-12-02 06:27:10,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 06:27:10,921 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:10,921 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:10,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:27:10,921 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:10,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:10,922 INFO L85 PathProgramCache]: Analyzing trace with hash -53015636, now seen corresponding path program 1 times [2024-12-02 06:27:10,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:10,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191777153] [2024-12-02 06:27:10,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:10,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:11,307 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 06:27:11,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:27:11,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191777153] [2024-12-02 06:27:11,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191777153] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:27:11,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009913055] [2024-12-02 06:27:11,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:11,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:27:11,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:27:11,309 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:27:11,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 06:27:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:11,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 06:27:11,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:11,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:27:11,843 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 35 treesize of output 23 [2024-12-02 06:27:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 130 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 06:27:11,849 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:27:12,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2024-12-02 06:27:12,146 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 06:27:12,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009913055] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:27:12,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:27:12,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 14 [2024-12-02 06:27:12,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487026441] [2024-12-02 06:27:12,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:27:12,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 06:27:12,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:27:12,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 06:27:12,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:27:12,148 INFO L87 Difference]: Start difference. First operand 94 states and 125 transitions. Second operand has 14 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 14 states have internal predecessors, (69), 7 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 7 states have call successors, (24) [2024-12-02 06:27:12,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:12,397 INFO L93 Difference]: Finished difference Result 193 states and 254 transitions. [2024-12-02 06:27:12,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:27:12,398 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 14 states have internal predecessors, (69), 7 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 7 states have call successors, (24) Word has length 105 [2024-12-02 06:27:12,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:12,399 INFO L225 Difference]: With dead ends: 193 [2024-12-02 06:27:12,399 INFO L226 Difference]: Without dead ends: 102 [2024-12-02 06:27:12,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 205 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2024-12-02 06:27:12,400 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 406 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:12,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 479 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:27:12,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-12-02 06:27:12,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2024-12-02 06:27:12,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.25) internal successors, (105), 84 states have internal predecessors, (105), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:12,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 127 transitions. [2024-12-02 06:27:12,407 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 127 transitions. Word has length 105 [2024-12-02 06:27:12,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:12,407 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 127 transitions. [2024-12-02 06:27:12,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 14 states have internal predecessors, (69), 7 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 7 states have call successors, (24) [2024-12-02 06:27:12,408 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 127 transitions. [2024-12-02 06:27:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 06:27:12,409 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:12,409 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:12,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 06:27:12,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:27:12,609 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:12,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:12,610 INFO L85 PathProgramCache]: Analyzing trace with hash -127895213, now seen corresponding path program 1 times [2024-12-02 06:27:12,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:12,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697472023] [2024-12-02 06:27:12,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:12,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:12,858 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:12,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:27:12,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697472023] [2024-12-02 06:27:12,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697472023] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:12,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:12,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:27:12,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383764693] [2024-12-02 06:27:12,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:12,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:27:12,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:27:12,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:27:12,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:27:12,859 INFO L87 Difference]: Start difference. First operand 98 states and 127 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:12,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:12,918 INFO L93 Difference]: Finished difference Result 193 states and 251 transitions. [2024-12-02 06:27:12,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:27:12,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-12-02 06:27:12,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:12,920 INFO L225 Difference]: With dead ends: 193 [2024-12-02 06:27:12,920 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 06:27:12,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:27:12,920 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 115 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:12,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 437 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:27:12,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 06:27:12,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-12-02 06:27:12,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.2380952380952381) internal successors, (104), 84 states have internal predecessors, (104), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:12,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 126 transitions. [2024-12-02 06:27:12,928 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 126 transitions. Word has length 105 [2024-12-02 06:27:12,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:12,928 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 126 transitions. [2024-12-02 06:27:12,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2024-12-02 06:27:12,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 06:27:12,929 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:12,929 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:12,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:27:12,929 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:12,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:12,930 INFO L85 PathProgramCache]: Analyzing trace with hash 689753237, now seen corresponding path program 1 times [2024-12-02 06:27:12,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:12,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94816254] [2024-12-02 06:27:12,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:12,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:27:13,002 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:27:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:27:13,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:27:13,133 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:27:13,134 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:27:13,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:27:13,137 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:13,249 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:27:13,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:27:13 BoogieIcfgContainer [2024-12-02 06:27:13,251 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:27:13,252 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:27:13,252 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:27:13,252 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:27:13,252 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:05" (3/4) ... [2024-12-02 06:27:13,254 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 06:27:13,255 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:27:13,255 INFO L158 Benchmark]: Toolchain (without parser) took 8603.39ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 92.1MB in the beginning and 219.9MB in the end (delta: -127.8MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-12-02 06:27:13,256 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:27:13,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.35ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 78.0MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:27:13,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.88ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 74.5MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:27:13,256 INFO L158 Benchmark]: Boogie Preprocessor took 65.54ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 69.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:27:13,256 INFO L158 Benchmark]: RCFGBuilder took 653.72ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 85.4MB in the end (delta: -15.6MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-12-02 06:27:13,257 INFO L158 Benchmark]: TraceAbstraction took 7605.58ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 84.8MB in the beginning and 223.1MB in the end (delta: -138.3MB). Peak memory consumption was 165.7MB. Max. memory is 16.1GB. [2024-12-02 06:27:13,257 INFO L158 Benchmark]: Witness Printer took 2.80ms. Allocated memory is still 285.2MB. Free memory was 223.1MB in the beginning and 219.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:27:13,258 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.35ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 78.0MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.88ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 74.5MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.54ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 69.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 653.72ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 85.4MB in the end (delta: -15.6MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * TraceAbstraction took 7605.58ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 84.8MB in the beginning and 223.1MB in the end (delta: -138.3MB). Peak memory consumption was 165.7MB. Max. memory is 16.1GB. * Witness Printer took 2.80ms. Allocated memory is still 285.2MB. Free memory was 223.1MB in the beginning and 219.9MB in the end (delta: 3.2MB). 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 48, overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -1; [L22] signed long int var_1_1 = -1; [L23] signed long int* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_8 = 5; [L24] unsigned char var_1_8 = 5; [L25] unsigned char* var_1_8_Pointer = &(var_1_8); [L26] unsigned char var_1_9 = 4; [L26] unsigned char var_1_9 = 4; [L27] unsigned char* var_1_9_Pointer = &(var_1_9); [L28] float var_1_10 = 16.5; [L28] float var_1_10 = 16.5; [L29] float* var_1_10_Pointer = &(var_1_10); [L30] float var_1_11 = 127.25; [L30] float var_1_11 = 127.25; [L31] float* var_1_11_Pointer = &(var_1_11); [L32] unsigned char var_1_12 = 1; [L32] unsigned char var_1_12 = 1; [L33] unsigned char* var_1_12_Pointer = &(var_1_12); [L34] unsigned char var_1_13 = 0; [L34] unsigned char var_1_13 = 0; [L35] unsigned char* var_1_13_Pointer = &(var_1_13); [L36] unsigned char var_1_15 = 0; [L36] unsigned char var_1_15 = 0; [L37] unsigned char* var_1_15_Pointer = &(var_1_15); [L38] unsigned char var_1_16 = 0; [L38] unsigned char var_1_16 = 0; [L39] unsigned char* var_1_16_Pointer = &(var_1_16); [L40] unsigned char var_1_17 = 0; [L40] unsigned char var_1_17 = 0; [L41] unsigned char* var_1_17_Pointer = &(var_1_17); [L42] unsigned char var_1_18 = 0; [L42] unsigned char var_1_18 = 0; [L43] unsigned char* var_1_18_Pointer = &(var_1_18); VAL [isInitial=0, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L97] isInitial = 1 [L98] FCALL initially() [L100] FCALL updateLastVariables() [L101] CALL updateVariables() [L72] var_1_9 = __VERIFIER_nondet_uchar() [L73] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L73] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L73] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L74] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L74] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L74] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L75] var_1_11 = __VERIFIER_nondet_float() [L76] EXPR \read(var_1_11) [L76] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L76] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F [L76] EXPR \read(var_1_11) [L76] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L76] EXPR (var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L76] EXPR (var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L76] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L76] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L77] var_1_13 = __VERIFIER_nondet_uchar() [L78] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L78] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L78] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L79] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L79] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L79] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L80] var_1_15 = __VERIFIER_nondet_uchar() [L81] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L81] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L81] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L82] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L82] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L82] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L83] var_1_16 = __VERIFIER_nondet_uchar() [L84] EXPR \read(var_1_16) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L84] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L84] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L85] EXPR \read(var_1_16) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L85] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L85] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L86] var_1_18 = __VERIFIER_nondet_uchar() [L87] EXPR \read(var_1_18) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L87] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L87] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L88] EXPR \read(var_1_18) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L88] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L88] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L101] RET updateVariables() [L102] CALL step() [L47] EXPR \read(*var_1_9_Pointer) [L47] (*(var_1_8_Pointer)) = ((*(var_1_9_Pointer)) + 100) [L48] EXPR \read(*var_1_11_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L48] EXPR (((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f) [L48] EXPR \read(*var_1_11_Pointer) [L48] EXPR (((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L48] (*(var_1_10_Pointer)) = (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f))) [L49] EXPR \read(*var_1_8_Pointer) [L49] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L49] COND FALSE !((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) [L52] EXPR \read(*var_1_8_Pointer) [L52] EXPR \read(*var_1_8_Pointer) [L52] EXPR \read(*var_1_8_Pointer) [L52] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L52] EXPR ((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) [L52] EXPR \read(*var_1_8_Pointer) [L52] EXPR \read(*var_1_8_Pointer) [L52] EXPR ((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L52] (*(var_1_1_Pointer)) = ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))))) [L54] EXPR \read(*var_1_11_Pointer) [L54] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L54] COND TRUE (*(var_1_11_Pointer)) <= (*(var_1_10_Pointer)) [L55] EXPR \read(*var_1_1_Pointer) [L55] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L55] COND TRUE (*(var_1_1_Pointer)) != (*(var_1_8_Pointer)) [L56] EXPR \read(*var_1_18_Pointer) [L56] (*(var_1_17_Pointer)) = (*(var_1_18_Pointer)) [L65] EXPR \read(*var_1_10_Pointer) [L65] EXPR \read(*var_1_11_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L65] COND FALSE !((- (*(var_1_10_Pointer))) > (*(var_1_11_Pointer))) [L68] EXPR \read(*var_1_1_Pointer) [L68] EXPR \read(*var_1_9_Pointer) [L68] EXPR ((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer)) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L68] EXPR ((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer)) [L68] EXPR \read(*var_1_16_Pointer) [L68] EXPR ((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer)) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L68] (*(var_1_12_Pointer)) = (((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer))) [L102] RET step() [L103] CALL, EXPR property() [L93] EXPR \read(*var_1_8_Pointer) [L93] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))))))) [L93] EXPR \read(*var_1_1_Pointer) [L93] EXPR \read(*var_1_8_Pointer) [L93] EXPR \read(*var_1_8_Pointer) [L93] EXPR \read(*var_1_8_Pointer) [L93] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) [L93] EXPR \read(*var_1_8_Pointer) [L93] EXPR \read(*var_1_8_Pointer) [L93] EXPR ((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))))))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR (((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR (((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100))) [L93] EXPR \read(*var_1_8_Pointer) [L93] EXPR \read(*var_1_9_Pointer) [L93] EXPR (((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f))))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f))))) [L93] EXPR \read(*var_1_10_Pointer) [L93] EXPR \read(*var_1_11_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR (((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f) [L93] EXPR \read(*var_1_11_Pointer) [L93] EXPR (((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f))))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR (((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f)))))) && (((- (*(var_1_10_Pointer))) > (*(var_1_11_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) ((*(var_1_13_Pointer)) || ((*(var_1_17_Pointer)) && ((*(var_1_15_Pointer)) || (*(var_1_16_Pointer))))))) : ((*(var_1_12_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer)))))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR (((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f)))))) && (((- (*(var_1_10_Pointer))) > (*(var_1_11_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) ((*(var_1_13_Pointer)) || ((*(var_1_17_Pointer)) && ((*(var_1_15_Pointer)) || (*(var_1_16_Pointer))))))) : ((*(var_1_12_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer)))))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f)))))) && (((- (*(var_1_10_Pointer))) > (*(var_1_11_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) ((*(var_1_13_Pointer)) || ((*(var_1_17_Pointer)) && ((*(var_1_15_Pointer)) || (*(var_1_16_Pointer))))))) : ((*(var_1_12_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer))))))) && (((*(var_1_11_Pointer)) <= (*(var_1_10_Pointer))) ? (((*(var_1_1_Pointer)) != (*(var_1_8_Pointer))) ? ((*(var_1_17_Pointer)) == ((unsigned char) (*(var_1_18_Pointer)))) : 1) : (((*(var_1_8_Pointer)) <= 1000000) ? ((*(var_1_17_Pointer)) == ((unsigned char) 0)) : ((*(var_1_17_Pointer)) == ((unsigned char) 0)))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f)))))) && (((- (*(var_1_10_Pointer))) > (*(var_1_11_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) ((*(var_1_13_Pointer)) || ((*(var_1_17_Pointer)) && ((*(var_1_15_Pointer)) || (*(var_1_16_Pointer))))))) : ((*(var_1_12_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer))))))) && (((*(var_1_11_Pointer)) <= (*(var_1_10_Pointer))) ? (((*(var_1_1_Pointer)) != (*(var_1_8_Pointer))) ? ((*(var_1_17_Pointer)) == ((unsigned char) (*(var_1_18_Pointer)))) : 1) : (((*(var_1_8_Pointer)) <= 1000000) ? ((*(var_1_17_Pointer)) == ((unsigned char) 0)) : ((*(var_1_17_Pointer)) == ((unsigned char) 0)))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93-L94] return ((((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f)))))) && (((- (*(var_1_10_Pointer))) > (*(var_1_11_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) ((*(var_1_13_Pointer)) || ((*(var_1_17_Pointer)) && ((*(var_1_15_Pointer)) || (*(var_1_16_Pointer))))))) : ((*(var_1_12_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer))))))) && (((*(var_1_11_Pointer)) <= (*(var_1_10_Pointer))) ? (((*(var_1_1_Pointer)) != (*(var_1_8_Pointer))) ? ((*(var_1_17_Pointer)) == ((unsigned char) (*(var_1_18_Pointer)))) : 1) : (((*(var_1_8_Pointer)) <= 1000000) ? ((*(var_1_17_Pointer)) == ((unsigned char) 0)) : ((*(var_1_17_Pointer)) == ((unsigned char) 0)))) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L19] reach_error() VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 11, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 836 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 836 mSDsluCounter, 4301 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3035 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 658 IncrementalHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 1266 mSDtfsCounter, 658 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 488 GetRequests, 424 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=6, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 121 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1450 NumberOfCodeBlocks, 1450 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1436 ConstructedInterpolants, 0 QuantifiedInterpolants, 3689 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1479 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 2876/3080 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 06:27:13,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/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_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/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_60cb05bf-2607-4ddf-bb46-1010dacd5f61/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 998af785ff4fae0c3f310b9fe3b87371c69c6b583b1eb526ab6adc9853d45ab3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:27:15,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:27:15,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 06:27:15,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:27:15,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:27:15,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:27:15,354 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:27:15,354 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:27:15,354 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:27:15,355 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:27:15,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:27:15,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:27:15,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:27:15,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:27:15,355 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:27:15,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:27:15,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:27:15,356 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:27:15,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:27:15,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:27:15,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:27:15,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:27:15,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:27:15,356 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 06:27:15,356 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 06:27:15,356 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 06:27:15,356 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:27:15,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:27:15,356 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:27:15,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:27:15,357 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:27:15,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:27:15,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:27:15,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:27:15,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:27:15,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:27:15,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:27:15,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:27:15,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:27:15,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:27:15,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:27:15,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:27:15,358 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:27:15,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:27:15,358 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 06:27:15,358 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 06:27:15,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:27:15,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:27:15,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:27:15,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:27:15,358 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_60cb05bf-2607-4ddf-bb46-1010dacd5f61/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 -> 998af785ff4fae0c3f310b9fe3b87371c69c6b583b1eb526ab6adc9853d45ab3 [2024-12-02 06:27:15,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:27:15,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:27:15,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:27:15,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:27:15,612 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:27:15,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i [2024-12-02 06:27:18,279 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/data/42e3f2042/1ecc500b08294655a1ce62fb784b976e/FLAG5e1c65fe4 [2024-12-02 06:27:18,465 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:27:18,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i [2024-12-02 06:27:18,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/data/42e3f2042/1ecc500b08294655a1ce62fb784b976e/FLAG5e1c65fe4 [2024-12-02 06:27:18,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/data/42e3f2042/1ecc500b08294655a1ce62fb784b976e [2024-12-02 06:27:18,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:27:18,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:27:18,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:27:18,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:27:18,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:27:18,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35189400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18, skipping insertion in model container [2024-12-02 06:27:18,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,508 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:27:18,624 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_60cb05bf-2607-4ddf-bb46-1010dacd5f61/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i[916,929] [2024-12-02 06:27:18,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:27:18,683 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:27:18,692 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_60cb05bf-2607-4ddf-bb46-1010dacd5f61/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i[916,929] [2024-12-02 06:27:18,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:27:18,736 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:27:18,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18 WrapperNode [2024-12-02 06:27:18,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:27:18,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:27:18,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:27:18,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:27:18,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,781 INFO L138 Inliner]: procedures = 33, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 464 [2024-12-02 06:27:18,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:27:18,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:27:18,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:27:18,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:27:18,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,797 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,819 INFO L175 MemorySlicer]: Split 115 memory accesses to 12 slices as follows [2, 9, 35, 8, 7, 14, 5, 6, 6, 8, 9, 6]. 30 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 15 writes are split as follows [0, 2, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1]. [2024-12-02 06:27:18,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,838 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:27:18,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:27:18,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:27:18,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:27:18,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18" (1/1) ... [2024-12-02 06:27:18,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:27:18,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:27:18,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:27:18,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:27:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:27:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 06:27:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 06:27:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 06:27:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 06:27:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 06:27:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 06:27:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-12-02 06:27:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-12-02 06:27:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-12-02 06:27:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-12-02 06:27:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-12-02 06:27:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-12-02 06:27:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 06:27:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 06:27:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 06:27:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 06:27:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 06:27:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 06:27:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-12-02 06:27:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-12-02 06:27:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-12-02 06:27:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-12-02 06:27:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-12-02 06:27:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-12-02 06:27:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 06:27:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 06:27:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 06:27:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-12-02 06:27:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-12-02 06:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-12-02 06:27:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 06:27:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 06:27:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 06:27:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 06:27:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 06:27:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 06:27:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-12-02 06:27:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-12-02 06:27:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-12-02 06:27:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-12-02 06:27:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-12-02 06:27:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-12-02 06:27:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 06:27:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 06:27:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 06:27:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 06:27:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 06:27:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 06:27:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-12-02 06:27:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-12-02 06:27:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-12-02 06:27:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-12-02 06:27:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-12-02 06:27:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-12-02 06:27:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:27:18,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:27:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:27:18,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:27:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 06:27:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 06:27:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-12-02 06:27:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-12-02 06:27:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-12-02 06:27:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-12-02 06:27:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-12-02 06:27:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-12-02 06:27:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-12-02 06:27:19,100 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:27:19,102 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:27:19,574 INFO L? ?]: Removed 122 outVars from TransFormulas that were not future-live. [2024-12-02 06:27:19,575 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:27:19,585 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:27:19,585 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:27:19,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:19 BoogieIcfgContainer [2024-12-02 06:27:19,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:27:19,588 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:27:19,588 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:27:19,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:27:19,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:27:18" (1/3) ... [2024-12-02 06:27:19,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2522ae11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:27:19, skipping insertion in model container [2024-12-02 06:27:19,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:18" (2/3) ... [2024-12-02 06:27:19,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2522ae11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:27:19, skipping insertion in model container [2024-12-02 06:27:19,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:19" (3/3) ... [2024-12-02 06:27:19,594 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-42.i [2024-12-02 06:27:19,608 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:27:19,609 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-42.i that has 2 procedures, 100 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:27:19,665 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:27:19,674 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;@789a2121, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:27:19,674 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:27:19,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 87 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:19,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:19,687 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:19,688 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:19,688 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:19,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:19,693 INFO L85 PathProgramCache]: Analyzing trace with hash 990451809, now seen corresponding path program 1 times [2024-12-02 06:27:19,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:27:19,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447986047] [2024-12-02 06:27:19,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:19,704 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 06:27:19,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:27:19,706 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:19,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:19,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:27:19,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 06:27:20,026 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:27:20,027 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:27:20,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447986047] [2024-12-02 06:27:20,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [447986047] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:20,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:20,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:27:20,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495703886] [2024-12-02 06:27:20,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:20,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:27:20,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:27:20,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:27:20,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:27:20,049 INFO L87 Difference]: Start difference. First operand has 100 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 87 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:20,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:20,071 INFO L93 Difference]: Finished difference Result 193 states and 293 transitions. [2024-12-02 06:27:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:27:20,072 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 06:27:20,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:20,077 INFO L225 Difference]: With dead ends: 193 [2024-12-02 06:27:20,077 INFO L226 Difference]: Without dead ends: 96 [2024-12-02 06:27:20,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 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 06:27:20,081 INFO L435 NwaCegarLoop]: 135 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, 135 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 06:27:20,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:27:20,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-12-02 06:27:20,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-12-02 06:27:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2024-12-02 06:27:20,113 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 103 [2024-12-02 06:27:20,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:20,113 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2024-12-02 06:27:20,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:20,114 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2024-12-02 06:27:20,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:20,116 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:20,116 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:20,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:20,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:20,317 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:20,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:20,318 INFO L85 PathProgramCache]: Analyzing trace with hash -214908817, now seen corresponding path program 1 times [2024-12-02 06:27:20,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:27:20,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306944409] [2024-12-02 06:27:20,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:20,319 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 06:27:20,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:27:20,320 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:20,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:20,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:27:20,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-02 06:27:20,648 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:27:20,648 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:27:20,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306944409] [2024-12-02 06:27:20,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306944409] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:20,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:20,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:27:20,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655791837] [2024-12-02 06:27:20,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:20,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:27:20,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:27:20,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:27:20,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:27:20,651 INFO L87 Difference]: Start difference. First operand 96 states and 135 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:27:20,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:20,700 INFO L93 Difference]: Finished difference Result 191 states and 270 transitions. [2024-12-02 06:27:20,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:27:20,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2024-12-02 06:27:20,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:20,702 INFO L225 Difference]: With dead ends: 191 [2024-12-02 06:27:20,702 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 06:27:20,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 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 06:27:20,703 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 388 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 06:27:20,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:27:20,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 06:27:20,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-12-02 06:27:20,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.3529411764705883) internal successors, (115), 85 states have internal predecessors, (115), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 137 transitions. [2024-12-02 06:27:20,714 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 137 transitions. Word has length 103 [2024-12-02 06:27:20,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:20,715 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 137 transitions. [2024-12-02 06:27:20,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:27:20,716 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2024-12-02 06:27:20,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:20,717 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:20,718 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:20,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:20,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:20,918 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:20,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:20,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1743665969, now seen corresponding path program 1 times [2024-12-02 06:27:20,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:27:20,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1558249173] [2024-12-02 06:27:20,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:20,920 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 06:27:20,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:27:20,921 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:20,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:21,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 06:27:21,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:21,616 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 21 [2024-12-02 06:27:21,641 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 130 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 06:27:21,641 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:27:21,874 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 06:27:21,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-12-02 06:27:21,974 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 06:27:21,974 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:27:21,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1558249173] [2024-12-02 06:27:21,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1558249173] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:27:21,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:27:21,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2024-12-02 06:27:21,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19285810] [2024-12-02 06:27:21,974 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:27:21,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 06:27:21,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:27:21,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 06:27:21,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:27:21,976 INFO L87 Difference]: Start difference. First operand 98 states and 137 transitions. Second operand has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 06:27:22,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:22,374 INFO L93 Difference]: Finished difference Result 201 states and 278 transitions. [2024-12-02 06:27:22,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:27:22,375 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 103 [2024-12-02 06:27:22,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:22,377 INFO L225 Difference]: With dead ends: 201 [2024-12-02 06:27:22,377 INFO L226 Difference]: Without dead ends: 106 [2024-12-02 06:27:22,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:27:22,379 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 279 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:22,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 540 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:27:22,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-12-02 06:27:22,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2024-12-02 06:27:22,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 88 states have internal predecessors, (117), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 139 transitions. [2024-12-02 06:27:22,390 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 139 transitions. Word has length 103 [2024-12-02 06:27:22,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:22,390 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 139 transitions. [2024-12-02 06:27:22,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 06:27:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 139 transitions. [2024-12-02 06:27:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:22,392 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:22,392 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:22,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:22,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:22,593 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:22,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:22,593 INFO L85 PathProgramCache]: Analyzing trace with hash -361437544, now seen corresponding path program 1 times [2024-12-02 06:27:22,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:27:22,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378808114] [2024-12-02 06:27:22,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:22,594 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 06:27:22,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:27:22,595 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:22,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:22,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 06:27:22,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:23,073 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 06:27:23,181 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 06:27:23,182 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:27:23,345 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:23,346 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:27:23,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378808114] [2024-12-02 06:27:23,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378808114] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:27:23,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:27:23,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-12-02 06:27:23,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933807543] [2024-12-02 06:27:23,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:23,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:27:23,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:27:23,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:27:23,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:27:23,348 INFO L87 Difference]: Start difference. First operand 102 states and 139 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:23,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:23,523 INFO L93 Difference]: Finished difference Result 205 states and 280 transitions. [2024-12-02 06:27:23,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:27:23,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 06:27:23,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:23,525 INFO L225 Difference]: With dead ends: 205 [2024-12-02 06:27:23,525 INFO L226 Difference]: Without dead ends: 106 [2024-12-02 06:27:23,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:27:23,527 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 84 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:23,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 419 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:27:23,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-12-02 06:27:23,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2024-12-02 06:27:23,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 90 states have (on average 1.3222222222222222) internal successors, (119), 90 states have internal predecessors, (119), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 141 transitions. [2024-12-02 06:27:23,537 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 141 transitions. Word has length 103 [2024-12-02 06:27:23,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:23,538 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 141 transitions. [2024-12-02 06:27:23,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:23,538 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 141 transitions. [2024-12-02 06:27:23,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:23,539 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:23,539 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:23,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 06:27:23,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:23,742 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:23,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:23,742 INFO L85 PathProgramCache]: Analyzing trace with hash 339627034, now seen corresponding path program 1 times [2024-12-02 06:27:23,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:27:23,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138989973] [2024-12-02 06:27:23,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:23,743 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 06:27:23,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:27:23,744 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:23,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:23,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 06:27:23,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:23,982 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 26 treesize of output 22 [2024-12-02 06:27:24,019 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 30 treesize of output 22 [2024-12-02 06:27:24,037 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 37 treesize of output 21 [2024-12-02 06:27:24,079 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:24,079 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:27:24,079 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:27:24,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138989973] [2024-12-02 06:27:24,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138989973] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:24,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:24,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:27:24,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243348497] [2024-12-02 06:27:24,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:24,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:27:24,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:27:24,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:27:24,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:27:24,081 INFO L87 Difference]: Start difference. First operand 104 states and 141 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:24,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:24,490 INFO L93 Difference]: Finished difference Result 308 states and 420 transitions. [2024-12-02 06:27:24,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:27:24,491 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 06:27:24,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:24,492 INFO L225 Difference]: With dead ends: 308 [2024-12-02 06:27:24,492 INFO L226 Difference]: Without dead ends: 207 [2024-12-02 06:27:24,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:27:24,493 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 122 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:24,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 1026 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:27:24,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-12-02 06:27:24,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 124. [2024-12-02 06:27:24,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 110 states have (on average 1.3363636363636364) internal successors, (147), 110 states have internal predecessors, (147), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:24,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 169 transitions. [2024-12-02 06:27:24,508 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 169 transitions. Word has length 103 [2024-12-02 06:27:24,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:24,509 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 169 transitions. [2024-12-02 06:27:24,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:24,509 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 169 transitions. [2024-12-02 06:27:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:24,510 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:24,510 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:24,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:24,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:24,711 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:24,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:24,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1742717263, now seen corresponding path program 1 times [2024-12-02 06:27:24,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:27:24,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440788621] [2024-12-02 06:27:24,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:24,712 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 06:27:24,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:27:24,713 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:24,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:24,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:27:24,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:24,921 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 06:27:24,934 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:24,934 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:27:24,934 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:27:24,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [440788621] [2024-12-02 06:27:24,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [440788621] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:24,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:24,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:27:24,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569132791] [2024-12-02 06:27:24,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:24,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:27:24,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:27:24,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:27:24,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:27:24,936 INFO L87 Difference]: Start difference. First operand 124 states and 169 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:24,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:24,956 INFO L93 Difference]: Finished difference Result 243 states and 332 transitions. [2024-12-02 06:27:24,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:27:24,956 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 06:27:24,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:24,957 INFO L225 Difference]: With dead ends: 243 [2024-12-02 06:27:24,957 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 06:27:24,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 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 06:27:24,959 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 255 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 06:27:24,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 255 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:27:24,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 06:27:24,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-12-02 06:27:24,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 108 states have (on average 1.3148148148148149) internal successors, (142), 108 states have internal predecessors, (142), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:24,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 164 transitions. [2024-12-02 06:27:24,969 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 164 transitions. Word has length 103 [2024-12-02 06:27:24,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:24,970 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 164 transitions. [2024-12-02 06:27:24,970 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:24,970 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 164 transitions. [2024-12-02 06:27:24,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:27:24,971 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:24,971 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:24,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:25,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:25,171 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:25,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:25,172 INFO L85 PathProgramCache]: Analyzing trace with hash -2116442845, now seen corresponding path program 1 times [2024-12-02 06:27:25,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:27:25,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405175331] [2024-12-02 06:27:25,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:25,172 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 06:27:25,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:27:25,174 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:25,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:25,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:27:25,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:25,363 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 06:27:25,375 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:25,375 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:27:25,375 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:27:25,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405175331] [2024-12-02 06:27:25,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1405175331] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:25,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:25,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:27:25,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623694329] [2024-12-02 06:27:25,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:25,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:27:25,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:27:25,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:27:25,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:27:25,377 INFO L87 Difference]: Start difference. First operand 122 states and 164 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:25,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:25,392 INFO L93 Difference]: Finished difference Result 217 states and 291 transitions. [2024-12-02 06:27:25,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:27:25,392 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 06:27:25,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:25,393 INFO L225 Difference]: With dead ends: 217 [2024-12-02 06:27:25,394 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 06:27:25,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 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 06:27:25,394 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 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 06:27:25,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:27:25,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 06:27:25,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-12-02 06:27:25,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.2738095238095237) internal successors, (107), 84 states have internal predecessors, (107), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:25,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 129 transitions. [2024-12-02 06:27:25,400 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 129 transitions. Word has length 103 [2024-12-02 06:27:25,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:25,400 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 129 transitions. [2024-12-02 06:27:25,400 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 129 transitions. [2024-12-02 06:27:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 06:27:25,401 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:25,401 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:25,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:25,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:25,601 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:25,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:25,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1030054893, now seen corresponding path program 1 times [2024-12-02 06:27:25,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:27:25,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380900560] [2024-12-02 06:27:25,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:25,602 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 06:27:25,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:27:25,604 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:25,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:25,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 06:27:25,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:25,981 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 06:27:26,080 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 06:27:26,080 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:27:26,230 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:26,230 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:27:26,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380900560] [2024-12-02 06:27:26,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [380900560] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:27:26,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:27:26,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-12-02 06:27:26,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139438489] [2024-12-02 06:27:26,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:26,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:27:26,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:27:26,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:27:26,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:27:26,232 INFO L87 Difference]: Start difference. First operand 98 states and 129 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:26,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:26,378 INFO L93 Difference]: Finished difference Result 200 states and 262 transitions. [2024-12-02 06:27:26,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:27:26,379 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-12-02 06:27:26,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:26,380 INFO L225 Difference]: With dead ends: 200 [2024-12-02 06:27:26,380 INFO L226 Difference]: Without dead ends: 100 [2024-12-02 06:27:26,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:27:26,381 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 10 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:26,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 448 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:27:26,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-12-02 06:27:26,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2024-12-02 06:27:26,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 84 states have internal predecessors, (106), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:26,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 128 transitions. [2024-12-02 06:27:26,389 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 128 transitions. Word has length 105 [2024-12-02 06:27:26,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:26,390 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 128 transitions. [2024-12-02 06:27:26,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:26,390 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 128 transitions. [2024-12-02 06:27:26,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 06:27:26,391 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:26,391 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:26,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:26,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:26,592 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:26,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:26,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2051123247, now seen corresponding path program 1 times [2024-12-02 06:27:26,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:27:26,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314887581] [2024-12-02 06:27:26,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:26,592 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 06:27:26,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:27:26,594 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:26,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 06:27:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:26,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-02 06:27:26,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:26,978 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 06:27:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 06:27:27,065 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:27:27,373 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:27,373 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:27:27,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1314887581] [2024-12-02 06:27:27,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1314887581] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:27:27,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:27:27,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2024-12-02 06:27:27,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618482569] [2024-12-02 06:27:27,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:27,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:27:27,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:27:27,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:27:27,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2024-12-02 06:27:27,375 INFO L87 Difference]: Start difference. First operand 98 states and 128 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:27,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:27,836 INFO L93 Difference]: Finished difference Result 204 states and 264 transitions. [2024-12-02 06:27:27,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 06:27:27,837 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-12-02 06:27:27,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:27,838 INFO L225 Difference]: With dead ends: 204 [2024-12-02 06:27:27,838 INFO L226 Difference]: Without dead ends: 100 [2024-12-02 06:27:27,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2024-12-02 06:27:27,839 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 25 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:27,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 918 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:27:27,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-12-02 06:27:27,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2024-12-02 06:27:27,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.25) internal successors, (105), 84 states have internal predecessors, (105), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:27,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 127 transitions. [2024-12-02 06:27:27,844 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 127 transitions. Word has length 105 [2024-12-02 06:27:27,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:27,845 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 127 transitions. [2024-12-02 06:27:27,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:27,845 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 127 transitions. [2024-12-02 06:27:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 06:27:27,845 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:27,845 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:27,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 06:27:28,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:28,046 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:28,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:28,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1233474797, now seen corresponding path program 1 times [2024-12-02 06:27:28,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:27:28,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698063955] [2024-12-02 06:27:28,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:28,047 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 06:27:28,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:27:28,048 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:28,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:28,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 06:27:28,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:28,422 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 06:27:28,507 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 06:27:28,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:27:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:27:28,931 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:27:28,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698063955] [2024-12-02 06:27:28,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698063955] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:27:28,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:27:28,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2024-12-02 06:27:28,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671943315] [2024-12-02 06:27:28,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:28,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 06:27:28,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:27:28,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 06:27:28,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:27:28,933 INFO L87 Difference]: Start difference. First operand 98 states and 127 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:29,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:29,564 INFO L93 Difference]: Finished difference Result 218 states and 281 transitions. [2024-12-02 06:27:29,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:27:29,564 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-12-02 06:27:29,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:29,565 INFO L225 Difference]: With dead ends: 218 [2024-12-02 06:27:29,565 INFO L226 Difference]: Without dead ends: 100 [2024-12-02 06:27:29,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2024-12-02 06:27:29,566 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 125 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:29,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 921 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:27:29,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-12-02 06:27:29,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2024-12-02 06:27:29,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.2380952380952381) internal successors, (104), 84 states have internal predecessors, (104), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:27:29,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 126 transitions. [2024-12-02 06:27:29,575 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 126 transitions. Word has length 105 [2024-12-02 06:27:29,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:29,575 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 126 transitions. [2024-12-02 06:27:29,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:27:29,576 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2024-12-02 06:27:29,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 06:27:29,576 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:29,576 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:29,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:29,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:29,777 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:27:29,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:29,777 INFO L85 PathProgramCache]: Analyzing trace with hash 689753237, now seen corresponding path program 1 times [2024-12-02 06:27:29,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:27:29,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832838090] [2024-12-02 06:27:29,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:29,778 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 06:27:29,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:27:29,779 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:27:29,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-12-02 06:27:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:29,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 06:27:29,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:30,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:27:30,942 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 61 treesize of output 37 [2024-12-02 06:27:30,946 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 97 treesize of output 49 [2024-12-02 06:27:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-02 06:27:31,025 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:27:51,556 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:27:51,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832838090] [2024-12-02 06:27:51,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1832838090] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:27:51,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2094615407] [2024-12-02 06:27:51,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:51,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:27:51,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:27:51,558 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:27:51,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-02 06:27:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:52,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 06:27:52,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:27:53,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:27:59,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:28:00,127 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 109 treesize of output 61 [2024-12-02 06:28:00,508 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-02 06:28:00,508 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:28:28,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2094615407] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:28:28,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:28:28,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2024-12-02 06:28:28,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159480530] [2024-12-02 06:28:28,552 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:28:28,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 06:28:28,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:28:28,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 06:28:28,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=747, Unknown=2, NotChecked=0, Total=870 [2024-12-02 06:28:28,554 INFO L87 Difference]: Start difference. First operand 98 states and 126 transitions. Second operand has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 20 states have internal predecessors, (92), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 06:28:34,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:28:34,494 INFO L93 Difference]: Finished difference Result 282 states and 362 transitions. [2024-12-02 06:28:34,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:28:34,496 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 20 states have internal predecessors, (92), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 105 [2024-12-02 06:28:34,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:28:34,497 INFO L225 Difference]: With dead ends: 282 [2024-12-02 06:28:34,497 INFO L226 Difference]: Without dead ends: 187 [2024-12-02 06:28:34,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 53.1s TimeCoverageRelationStatistics Valid=232, Invalid=1248, Unknown=2, NotChecked=0, Total=1482 [2024-12-02 06:28:34,498 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 614 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 74 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:28:34,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 1053 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 530 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2024-12-02 06:28:34,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-12-02 06:28:34,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 184. [2024-12-02 06:28:34,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 156 states have (on average 1.2179487179487178) internal successors, (190), 157 states have internal predecessors, (190), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:28:34,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 234 transitions. [2024-12-02 06:28:34,517 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 234 transitions. Word has length 105 [2024-12-02 06:28:34,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:28:34,517 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 234 transitions. [2024-12-02 06:28:34,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 20 states have internal predecessors, (92), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 06:28:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 234 transitions. [2024-12-02 06:28:34,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 06:28:34,518 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:28:34,518 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:28:34,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-12-02 06:28:34,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-02 06:28:34,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:28:34,919 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:28:34,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:28:34,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1700988979, now seen corresponding path program 1 times [2024-12-02 06:28:34,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:28:34,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525315510] [2024-12-02 06:28:34,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:28:34,920 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 06:28:34,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:28:34,921 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:28:34,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:28:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:28:35,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 06:28:35,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:28:35,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 43 [2024-12-02 06:28:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 06:28:35,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:28:36,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2024-12-02 06:28:36,762 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 06:28:36,762 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:28:36,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525315510] [2024-12-02 06:28:36,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525315510] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:28:36,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:28:36,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-12-02 06:28:36,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154320825] [2024-12-02 06:28:36,762 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:28:36,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:28:36,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:28:36,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:28:36,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:28:36,764 INFO L87 Difference]: Start difference. First operand 184 states and 234 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-12-02 06:28:39,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:28:39,135 INFO L93 Difference]: Finished difference Result 384 states and 486 transitions. [2024-12-02 06:28:39,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 06:28:39,136 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 107 [2024-12-02 06:28:39,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:28:39,139 INFO L225 Difference]: With dead ends: 384 [2024-12-02 06:28:39,139 INFO L226 Difference]: Without dead ends: 192 [2024-12-02 06:28:39,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-12-02 06:28:39,140 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 114 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:28:39,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 626 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 06:28:39,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-12-02 06:28:39,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 182. [2024-12-02 06:28:39,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 154 states have (on average 1.2077922077922079) internal successors, (186), 155 states have internal predecessors, (186), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:28:39,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 230 transitions. [2024-12-02 06:28:39,163 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 230 transitions. Word has length 107 [2024-12-02 06:28:39,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:28:39,163 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 230 transitions. [2024-12-02 06:28:39,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-12-02 06:28:39,164 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 230 transitions. [2024-12-02 06:28:39,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 06:28:39,164 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:28:39,165 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:28:39,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Forceful destruction successful, exit code 0 [2024-12-02 06:28:39,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:28:39,365 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:28:39,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:28:39,366 INFO L85 PathProgramCache]: Analyzing trace with hash 557642696, now seen corresponding path program 1 times [2024-12-02 06:28:39,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:28:39,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [654839884] [2024-12-02 06:28:39,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:28:39,366 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 06:28:39,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:28:39,368 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:28:39,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-12-02 06:28:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:28:39,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 06:28:39,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:28:39,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:28:40,906 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 101 treesize of output 65 [2024-12-02 06:28:45,759 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 77 treesize of output 41 [2024-12-02 06:28:46,311 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:28:46,311 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:28:46,312 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:28:46,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [654839884] [2024-12-02 06:28:46,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [654839884] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:28:46,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:28:46,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:28:46,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53194886] [2024-12-02 06:28:46,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:28:46,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:28:46,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:28:46,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:28:46,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:28:46,313 INFO L87 Difference]: Start difference. First operand 182 states and 230 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:28:49,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:28:51,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:28:54,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:28:59,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:29:00,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:29:02,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:29:04,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:29:10,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:29:12,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:29:16,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:29:21,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:29:24,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:29:26,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:29:27,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:29:27,035 INFO L93 Difference]: Finished difference Result 477 states and 602 transitions. [2024-12-02 06:29:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:29:27,037 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-12-02 06:29:27,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:29:27,038 INFO L225 Difference]: With dead ends: 477 [2024-12-02 06:29:27,038 INFO L226 Difference]: Without dead ends: 298 [2024-12-02 06:29:27,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:29:27,039 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 120 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:29:27,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1125 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 241 Invalid, 3 Unknown, 0 Unchecked, 39.9s Time] [2024-12-02 06:29:27,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-12-02 06:29:27,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 206. [2024-12-02 06:29:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 178 states have (on average 1.202247191011236) internal successors, (214), 179 states have internal predecessors, (214), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:29:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 258 transitions. [2024-12-02 06:29:27,060 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 258 transitions. Word has length 107 [2024-12-02 06:29:27,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:29:27,061 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 258 transitions. [2024-12-02 06:29:27,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:29:27,061 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 258 transitions. [2024-12-02 06:29:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 06:29:27,062 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:29:27,062 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:29:27,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Forceful destruction successful, exit code 0 [2024-12-02 06:29:27,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:29:27,262 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:29:27,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:27,263 INFO L85 PathProgramCache]: Analyzing trace with hash 164615686, now seen corresponding path program 1 times [2024-12-02 06:29:27,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:29:27,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669560826] [2024-12-02 06:29:27,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:27,263 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 06:29:27,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:29:27,265 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:29:27,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:29:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:27,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 06:29:27,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:28,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:29:29,359 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 61 treesize of output 37 [2024-12-02 06:29:33,509 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 77 treesize of output 41 [2024-12-02 06:29:33,871 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:29:33,871 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:29:33,871 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:29:33,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669560826] [2024-12-02 06:29:33,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669560826] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:29:33,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:29:33,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:29:33,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448218599] [2024-12-02 06:29:33,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:29:33,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:29:33,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:29:33,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:29:33,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:29:33,872 INFO L87 Difference]: Start difference. First operand 206 states and 258 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:29:42,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:29:42,339 INFO L93 Difference]: Finished difference Result 445 states and 557 transitions. [2024-12-02 06:29:42,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:29:42,343 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-12-02 06:29:42,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:29:42,344 INFO L225 Difference]: With dead ends: 445 [2024-12-02 06:29:42,344 INFO L226 Difference]: Without dead ends: 242 [2024-12-02 06:29:42,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:29:42,345 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 240 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:29:42,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 670 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2024-12-02 06:29:42,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-12-02 06:29:42,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 205. [2024-12-02 06:29:42,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 177 states have (on average 1.192090395480226) internal successors, (211), 178 states have internal predecessors, (211), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:29:42,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 255 transitions. [2024-12-02 06:29:42,362 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 255 transitions. Word has length 107 [2024-12-02 06:29:42,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:29:42,363 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 255 transitions. [2024-12-02 06:29:42,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:29:42,363 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 255 transitions. [2024-12-02 06:29:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 06:29:42,364 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:29:42,364 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:29:42,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2024-12-02 06:29:42,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:29:42,564 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:29:42,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:42,565 INFO L85 PathProgramCache]: Analyzing trace with hash 716915087, now seen corresponding path program 1 times [2024-12-02 06:29:42,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:29:42,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1616550855] [2024-12-02 06:29:42,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:42,565 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 06:29:42,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:29:42,567 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:29:42,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-12-02 06:29:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:42,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 06:29:42,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:46,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:29:47,784 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 61 treesize of output 37 [2024-12-02 06:29:48,081 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 95 treesize of output 47 [2024-12-02 06:29:48,853 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 06:29:48,853 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:29:51,341 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:29:51,341 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:29:51,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1616550855] [2024-12-02 06:29:51,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1616550855] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:29:51,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:29:51,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 23 [2024-12-02 06:29:51,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812563964] [2024-12-02 06:29:51,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:29:51,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:29:51,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:29:51,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:29:51,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:29:51,343 INFO L87 Difference]: Start difference. First operand 205 states and 255 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:29:53,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:29:53,811 INFO L93 Difference]: Finished difference Result 423 states and 524 transitions. [2024-12-02 06:29:53,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:29:53,812 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-12-02 06:29:53,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:29:53,814 INFO L225 Difference]: With dead ends: 423 [2024-12-02 06:29:53,814 INFO L226 Difference]: Without dead ends: 221 [2024-12-02 06:29:53,815 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2024-12-02 06:29:53,815 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 77 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:29:53,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 963 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 06:29:53,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-12-02 06:29:53,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 205. [2024-12-02 06:29:53,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 177 states have (on average 1.192090395480226) internal successors, (211), 178 states have internal predecessors, (211), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:29:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 255 transitions. [2024-12-02 06:29:53,831 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 255 transitions. Word has length 107 [2024-12-02 06:29:53,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:29:53,832 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 255 transitions. [2024-12-02 06:29:53,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:29:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 255 transitions. [2024-12-02 06:29:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 06:29:53,833 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:29:53,833 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:29:53,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-12-02 06:29:54,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:29:54,033 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:29:54,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:54,034 INFO L85 PathProgramCache]: Analyzing trace with hash 323888077, now seen corresponding path program 1 times [2024-12-02 06:29:54,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:29:54,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1945315049] [2024-12-02 06:29:54,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:54,034 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 06:29:54,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:29:54,035 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:29:54,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-12-02 06:29:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:54,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 06:29:54,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:29:58,807 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 68 treesize of output 32 [2024-12-02 06:29:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 06:29:59,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:30:00,202 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:30:00,202 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:30:00,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1945315049] [2024-12-02 06:30:00,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1945315049] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:30:00,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:30:00,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-12-02 06:30:00,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738026212] [2024-12-02 06:30:00,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:30:00,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:30:00,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:30:00,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:30:00,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:30:00,204 INFO L87 Difference]: Start difference. First operand 205 states and 255 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:30:00,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:30:00,857 INFO L93 Difference]: Finished difference Result 416 states and 515 transitions. [2024-12-02 06:30:00,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:30:00,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-12-02 06:30:00,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:30:00,860 INFO L225 Difference]: With dead ends: 416 [2024-12-02 06:30:00,861 INFO L226 Difference]: Without dead ends: 214 [2024-12-02 06:30:00,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:30:00,862 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 57 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:30:00,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 435 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:30:00,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-12-02 06:30:00,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 193. [2024-12-02 06:30:00,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 165 states have (on average 1.1939393939393939) internal successors, (197), 166 states have internal predecessors, (197), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:30:00,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 241 transitions. [2024-12-02 06:30:00,877 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 241 transitions. Word has length 107 [2024-12-02 06:30:00,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:30:00,878 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 241 transitions. [2024-12-02 06:30:00,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:30:00,878 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 241 transitions. [2024-12-02 06:30:00,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 06:30:00,879 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:30:00,879 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:30:00,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-12-02 06:30:01,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:30:01,079 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:30:01,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:30:01,080 INFO L85 PathProgramCache]: Analyzing trace with hash 739547341, now seen corresponding path program 1 times [2024-12-02 06:30:01,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:30:01,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001294740] [2024-12-02 06:30:01,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:30:01,080 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 06:30:01,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:30:01,082 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:30:01,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-12-02 06:30:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:30:01,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 06:30:01,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:30:05,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:30:05,545 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 45 treesize of output 21 [2024-12-02 06:30:07,010 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 73 treesize of output 37 [2024-12-02 06:30:07,320 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 06:30:07,321 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:30:09,410 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:30:09,411 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:30:09,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001294740] [2024-12-02 06:30:09,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001294740] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:30:09,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:30:09,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 21 [2024-12-02 06:30:09,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792806210] [2024-12-02 06:30:09,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:30:09,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:30:09,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:30:09,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:30:09,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:30:09,412 INFO L87 Difference]: Start difference. First operand 193 states and 241 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:30:10,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:30:10,349 INFO L93 Difference]: Finished difference Result 399 states and 494 transitions. [2024-12-02 06:30:10,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:30:10,350 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-12-02 06:30:10,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:30:10,351 INFO L225 Difference]: With dead ends: 399 [2024-12-02 06:30:10,351 INFO L226 Difference]: Without dead ends: 209 [2024-12-02 06:30:10,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2024-12-02 06:30:10,352 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 192 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:30:10,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 721 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:30:10,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-12-02 06:30:10,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 166. [2024-12-02 06:30:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 140 states have (on average 1.1571428571428573) internal successors, (162), 140 states have internal predecessors, (162), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:30:10,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 202 transitions. [2024-12-02 06:30:10,372 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 202 transitions. Word has length 107 [2024-12-02 06:30:10,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:30:10,372 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 202 transitions. [2024-12-02 06:30:10,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:30:10,372 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 202 transitions. [2024-12-02 06:30:10,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 06:30:10,373 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:30:10,373 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:30:10,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-12-02 06:30:10,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:30:10,573 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:30:10,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:30:10,574 INFO L85 PathProgramCache]: Analyzing trace with hash 346520331, now seen corresponding path program 1 times [2024-12-02 06:30:10,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:30:10,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278255817] [2024-12-02 06:30:10,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:30:10,574 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 06:30:10,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:30:10,575 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:30:10,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-12-02 06:30:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:30:10,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 06:30:10,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:30:11,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:30:12,512 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 45 treesize of output 21 [2024-12-02 06:30:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:30:12,994 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:30:12,995 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:30:12,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278255817] [2024-12-02 06:30:12,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1278255817] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:30:12,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:30:12,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:30:12,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83915627] [2024-12-02 06:30:12,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:30:12,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:30:12,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:30:12,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:30:12,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:30:12,996 INFO L87 Difference]: Start difference. First operand 166 states and 202 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:30:15,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:30:15,943 INFO L93 Difference]: Finished difference Result 427 states and 524 transitions. [2024-12-02 06:30:15,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:30:15,944 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-12-02 06:30:15,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:30:15,945 INFO L225 Difference]: With dead ends: 427 [2024-12-02 06:30:15,945 INFO L226 Difference]: Without dead ends: 264 [2024-12-02 06:30:15,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:30:15,946 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 166 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:30:15,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 1187 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 06:30:15,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-12-02 06:30:15,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 163. [2024-12-02 06:30:15,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 137 states have (on average 1.1532846715328466) internal successors, (158), 137 states have internal predecessors, (158), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:30:15,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 198 transitions. [2024-12-02 06:30:15,967 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 198 transitions. Word has length 107 [2024-12-02 06:30:15,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:30:15,967 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 198 transitions. [2024-12-02 06:30:15,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:30:15,967 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 198 transitions. [2024-12-02 06:30:15,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 06:30:15,968 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:30:15,968 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:30:15,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-12-02 06:30:16,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:30:16,168 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:30:16,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:30:16,169 INFO L85 PathProgramCache]: Analyzing trace with hash -777290415, now seen corresponding path program 1 times [2024-12-02 06:30:16,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:30:16,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061849182] [2024-12-02 06:30:16,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:30:16,169 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 06:30:16,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:30:16,171 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:30:16,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-12-02 06:30:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:30:16,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 06:30:16,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:30:18,455 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 21 [2024-12-02 06:30:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 130 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 06:30:18,570 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:30:20,039 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 06:30:20,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-12-02 06:30:20,571 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 06:30:20,571 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:30:20,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061849182] [2024-12-02 06:30:20,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2061849182] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:30:20,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:30:20,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2024-12-02 06:30:20,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037235964] [2024-12-02 06:30:20,572 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:30:20,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 06:30:20,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:30:20,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 06:30:20,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:30:20,573 INFO L87 Difference]: Start difference. First operand 163 states and 198 transitions. Second operand has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 06:30:22,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:30:22,440 INFO L93 Difference]: Finished difference Result 333 states and 403 transitions. [2024-12-02 06:30:22,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:30:22,440 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 111 [2024-12-02 06:30:22,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:30:22,442 INFO L225 Difference]: With dead ends: 333 [2024-12-02 06:30:22,442 INFO L226 Difference]: Without dead ends: 173 [2024-12-02 06:30:22,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 211 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:30:22,443 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 248 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:30:22,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 453 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:30:22,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-12-02 06:30:22,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 163. [2024-12-02 06:30:22,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 137 states have (on average 1.145985401459854) internal successors, (157), 137 states have internal predecessors, (157), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:30:22,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 197 transitions. [2024-12-02 06:30:22,465 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 197 transitions. Word has length 111 [2024-12-02 06:30:22,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:30:22,465 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 197 transitions. [2024-12-02 06:30:22,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 06:30:22,466 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 197 transitions. [2024-12-02 06:30:22,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 06:30:22,466 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:30:22,466 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:30:22,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-12-02 06:30:22,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:30:22,667 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:30:22,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:30:22,667 INFO L85 PathProgramCache]: Analyzing trace with hash -438431222, now seen corresponding path program 1 times [2024-12-02 06:30:22,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:30:22,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734869049] [2024-12-02 06:30:22,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:30:22,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:30:22,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:30:22,669 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:30:22,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-12-02 06:30:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:30:22,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:30:22,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:30:25,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:30:25,242 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 9 [2024-12-02 06:30:25,490 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 21 [2024-12-02 06:30:25,773 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 12 treesize of output 8 [2024-12-02 06:30:26,107 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 06:30:27,044 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 06:30:27,044 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:30:28,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2024-12-02 06:30:28,163 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 06:30:28,205 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:30:28,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2024-12-02 06:30:29,888 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 06:30:29,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-12-02 06:30:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 06:30:30,903 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:30:30,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734869049] [2024-12-02 06:30:30,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734869049] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:30:30,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:30:30,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [16] total 23 [2024-12-02 06:30:30,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068760732] [2024-12-02 06:30:30,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:30:30,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 06:30:30,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:30:30,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 06:30:30,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:30:30,904 INFO L87 Difference]: Start difference. First operand 163 states and 197 transitions. Second operand has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:30:37,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:30:37,077 INFO L93 Difference]: Finished difference Result 503 states and 598 transitions. [2024-12-02 06:30:37,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 06:30:37,078 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2024-12-02 06:30:37,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:30:37,080 INFO L225 Difference]: With dead ends: 503 [2024-12-02 06:30:37,080 INFO L226 Difference]: Without dead ends: 343 [2024-12-02 06:30:37,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 201 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=319, Invalid=1403, Unknown=0, NotChecked=0, Total=1722 [2024-12-02 06:30:37,081 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 599 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:30:37,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 1274 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 06:30:37,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-12-02 06:30:37,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 194. [2024-12-02 06:30:37,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 166 states have (on average 1.108433734939759) internal successors, (184), 166 states have internal predecessors, (184), 20 states have call successors, (20), 7 states have call predecessors, (20), 7 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:30:37,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 224 transitions. [2024-12-02 06:30:37,102 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 224 transitions. Word has length 111 [2024-12-02 06:30:37,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:30:37,102 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 224 transitions. [2024-12-02 06:30:37,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:30:37,102 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 224 transitions. [2024-12-02 06:30:37,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 06:30:37,103 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:30:37,103 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:30:37,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-12-02 06:30:37,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:30:37,303 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:30:37,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:30:37,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1118489592, now seen corresponding path program 1 times [2024-12-02 06:30:37,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:30:37,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983583256] [2024-12-02 06:30:37,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:30:37,304 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 06:30:37,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:30:37,306 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:30:37,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-12-02 06:30:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:30:37,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 06:30:37,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:30:42,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:30:42,762 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 9 [2024-12-02 06:30:43,076 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 21 [2024-12-02 06:30:43,538 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 12 treesize of output 8 [2024-12-02 06:30:44,127 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 06:30:44,363 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 21 [2024-12-02 06:30:45,176 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 107 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 06:30:45,176 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:30:47,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2024-12-02 06:30:47,456 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 06:30:47,501 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:30:47,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2024-12-02 06:30:51,189 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:30:51,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 51 [2024-12-02 06:30:52,978 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:30:52,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-12-02 06:30:54,573 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-12-02 06:30:54,573 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:30:54,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983583256] [2024-12-02 06:30:54,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983583256] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:30:54,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:30:54,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 36 [2024-12-02 06:30:54,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548279911] [2024-12-02 06:30:54,573 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:30:54,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-12-02 06:30:54,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:30:54,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-12-02 06:30:54,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1143, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 06:30:54,575 INFO L87 Difference]: Start difference. First operand 194 states and 224 transitions. Second operand has 36 states, 32 states have (on average 3.46875) internal successors, (111), 34 states have internal predecessors, (111), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 06:31:14,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:31:14,730 INFO L93 Difference]: Finished difference Result 734 states and 839 transitions. [2024-12-02 06:31:14,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-02 06:31:14,731 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 32 states have (on average 3.46875) internal successors, (111), 34 states have internal predecessors, (111), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 111 [2024-12-02 06:31:14,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:31:14,733 INFO L225 Difference]: With dead ends: 734 [2024-12-02 06:31:14,733 INFO L226 Difference]: Without dead ends: 543 [2024-12-02 06:31:14,734 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 18.6s TimeCoverageRelationStatistics Valid=979, Invalid=4873, Unknown=0, NotChecked=0, Total=5852 [2024-12-02 06:31:14,735 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 1204 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 1626 SdHoareTripleChecker+Invalid, 1313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:31:14,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 1626 Invalid, 1313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-12-02 06:31:14,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-12-02 06:31:14,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 202. [2024-12-02 06:31:14,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 172 states have (on average 1.1046511627906976) internal successors, (190), 172 states have internal predecessors, (190), 20 states have call successors, (20), 9 states have call predecessors, (20), 9 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:31:14,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 230 transitions. [2024-12-02 06:31:14,781 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 230 transitions. Word has length 111 [2024-12-02 06:31:14,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:31:14,782 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 230 transitions. [2024-12-02 06:31:14,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 32 states have (on average 3.46875) internal successors, (111), 34 states have internal predecessors, (111), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 06:31:14,782 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 230 transitions. [2024-12-02 06:31:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 06:31:14,783 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:31:14,783 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:31:14,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-12-02 06:31:14,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:31:14,983 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:31:14,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:14,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1214391377, now seen corresponding path program 1 times [2024-12-02 06:31:14,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:31:14,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113492641] [2024-12-02 06:31:14,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:14,984 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 06:31:14,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:31:14,985 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:31:14,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-12-02 06:31:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:15,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 06:31:15,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:31:17,476 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 21 [2024-12-02 06:31:17,603 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 12 treesize of output 8 [2024-12-02 06:31:17,901 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 06:31:18,686 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 06:31:18,686 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:31:19,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2024-12-02 06:31:19,711 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 06:31:19,753 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:31:19,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2024-12-02 06:31:21,110 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 06:31:21,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-12-02 06:31:22,023 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 06:31:22,023 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:31:22,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113492641] [2024-12-02 06:31:22,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113492641] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:31:22,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:31:22,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 20 [2024-12-02 06:31:22,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414459386] [2024-12-02 06:31:22,024 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:31:22,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-02 06:31:22,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:31:22,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-02 06:31:22,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2024-12-02 06:31:22,025 INFO L87 Difference]: Start difference. First operand 202 states and 230 transitions. Second operand has 20 states, 18 states have (on average 4.944444444444445) internal successors, (89), 20 states have internal predecessors, (89), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 06:31:30,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:31:30,517 INFO L93 Difference]: Finished difference Result 588 states and 669 transitions. [2024-12-02 06:31:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-12-02 06:31:30,518 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.944444444444445) internal successors, (89), 20 states have internal predecessors, (89), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 111 [2024-12-02 06:31:30,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:31:30,520 INFO L225 Difference]: With dead ends: 588 [2024-12-02 06:31:30,520 INFO L226 Difference]: Without dead ends: 389 [2024-12-02 06:31:30,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=350, Invalid=1720, Unknown=0, NotChecked=0, Total=2070 [2024-12-02 06:31:30,521 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 231 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:31:30,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 1820 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 06:31:30,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-12-02 06:31:30,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 178. [2024-12-02 06:31:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 148 states have (on average 1.1081081081081081) internal successors, (164), 148 states have internal predecessors, (164), 20 states have call successors, (20), 9 states have call predecessors, (20), 9 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:31:30,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 204 transitions. [2024-12-02 06:31:30,555 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 204 transitions. Word has length 111 [2024-12-02 06:31:30,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:31:30,555 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 204 transitions. [2024-12-02 06:31:30,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.944444444444445) internal successors, (89), 20 states have internal predecessors, (89), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 06:31:30,555 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 204 transitions. [2024-12-02 06:31:30,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 06:31:30,556 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:31:30,556 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:31:30,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-12-02 06:31:30,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:31:30,756 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:31:30,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:30,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1824297333, now seen corresponding path program 1 times [2024-12-02 06:31:30,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:31:30,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [482449757] [2024-12-02 06:31:30,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:30,757 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 06:31:30,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:31:30,759 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:31:30,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-12-02 06:31:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:30,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 06:31:30,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:31:33,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:31:33,335 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 9 [2024-12-02 06:31:34,091 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 12 treesize of output 8 [2024-12-02 06:31:34,854 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 06:31:35,068 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 21 [2024-12-02 06:31:36,050 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 06:31:36,050 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:31:38,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2024-12-02 06:31:38,385 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 06:31:38,427 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:31:38,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2024-12-02 06:31:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:31:39,527 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:31:39,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [482449757] [2024-12-02 06:31:39,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [482449757] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:31:39,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:31:39,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 24 [2024-12-02 06:31:39,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043948689] [2024-12-02 06:31:39,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:31:39,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 06:31:39,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:31:39,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 06:31:39,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=496, Unknown=0, NotChecked=0, Total=552 [2024-12-02 06:31:39,529 INFO L87 Difference]: Start difference. First operand 178 states and 204 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:31:43,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:31:43,896 INFO L93 Difference]: Finished difference Result 533 states and 612 transitions. [2024-12-02 06:31:43,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:31:43,897 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 113 [2024-12-02 06:31:43,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:31:43,898 INFO L225 Difference]: With dead ends: 533 [2024-12-02 06:31:43,898 INFO L226 Difference]: Without dead ends: 358 [2024-12-02 06:31:43,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=92, Invalid=900, Unknown=0, NotChecked=0, Total=992 [2024-12-02 06:31:43,899 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 104 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:31:43,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1437 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-12-02 06:31:43,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-12-02 06:31:43,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 204. [2024-12-02 06:31:43,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 174 states have (on average 1.103448275862069) internal successors, (192), 174 states have internal predecessors, (192), 20 states have call successors, (20), 9 states have call predecessors, (20), 9 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:31:43,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 232 transitions. [2024-12-02 06:31:43,929 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 232 transitions. Word has length 113 [2024-12-02 06:31:43,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:31:43,930 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 232 transitions. [2024-12-02 06:31:43,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:31:43,930 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 232 transitions. [2024-12-02 06:31:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 06:31:43,930 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:31:43,930 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:31:43,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-12-02 06:31:44,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:31:44,131 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:31:44,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:44,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1048915452, now seen corresponding path program 1 times [2024-12-02 06:31:44,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:31:44,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1952638831] [2024-12-02 06:31:44,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:44,132 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 06:31:44,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:31:44,133 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:31:44,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-12-02 06:31:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:44,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 06:31:44,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:31:49,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:31:49,722 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 9 [2024-12-02 06:31:50,037 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 21 [2024-12-02 06:31:50,270 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 12 treesize of output 8 [2024-12-02 06:31:51,062 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 06:31:51,314 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 21 [2024-12-02 06:31:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 107 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 06:31:52,474 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:31:54,979 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 26 treesize of output 22 [2024-12-02 06:31:54,995 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 06:31:55,040 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:31:55,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2024-12-02 06:31:58,615 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:31:58,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 51 [2024-12-02 06:32:00,512 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:32:00,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-12-02 06:32:02,311 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-12-02 06:32:02,311 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:32:02,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1952638831] [2024-12-02 06:32:02,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1952638831] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:32:02,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:32:02,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 36 [2024-12-02 06:32:02,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165600776] [2024-12-02 06:32:02,312 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:32:02,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-12-02 06:32:02,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:32:02,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-12-02 06:32:02,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1147, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 06:32:02,313 INFO L87 Difference]: Start difference. First operand 204 states and 232 transitions. Second operand has 36 states, 32 states have (on average 3.53125) internal successors, (113), 34 states have internal predecessors, (113), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 06:32:26,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:32:26,473 INFO L93 Difference]: Finished difference Result 743 states and 841 transitions. [2024-12-02 06:32:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-02 06:32:26,474 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 32 states have (on average 3.53125) internal successors, (113), 34 states have internal predecessors, (113), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 113 [2024-12-02 06:32:26,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:32:26,475 INFO L225 Difference]: With dead ends: 743 [2024-12-02 06:32:26,475 INFO L226 Difference]: Without dead ends: 542 [2024-12-02 06:32:26,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 20.7s TimeCoverageRelationStatistics Valid=992, Invalid=5170, Unknown=0, NotChecked=0, Total=6162 [2024-12-02 06:32:26,477 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 956 mSDsluCounter, 2341 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 2500 SdHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:32:26,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 2500 Invalid, 1599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 1418 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2024-12-02 06:32:26,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-12-02 06:32:26,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 318. [2024-12-02 06:32:26,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 272 states have (on average 1.1102941176470589) internal successors, (302), 272 states have internal predecessors, (302), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-12-02 06:32:26,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 364 transitions. [2024-12-02 06:32:26,533 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 364 transitions. Word has length 113 [2024-12-02 06:32:26,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:32:26,533 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 364 transitions. [2024-12-02 06:32:26,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 32 states have (on average 3.53125) internal successors, (113), 34 states have internal predecessors, (113), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 06:32:26,533 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 364 transitions. [2024-12-02 06:32:26,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 06:32:26,534 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:32:26,534 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:32:26,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-12-02 06:32:26,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:32:26,735 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:32:26,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:32:26,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1859848450, now seen corresponding path program 1 times [2024-12-02 06:32:26,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:32:26,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490364380] [2024-12-02 06:32:26,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:32:26,735 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 06:32:26,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:32:26,737 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:32:26,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-12-02 06:32:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:32:26,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 06:32:26,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:32:30,775 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 21 [2024-12-02 06:32:30,954 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 12 treesize of output 8 [2024-12-02 06:32:31,472 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 06:32:31,643 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 32 treesize of output 20 [2024-12-02 06:32:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 06:32:32,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:32:34,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2024-12-02 06:32:34,593 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 06:32:34,637 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:32:34,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2024-12-02 06:32:37,709 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:32:37,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2024-12-02 06:32:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 06:32:39,366 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:32:39,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490364380] [2024-12-02 06:32:39,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1490364380] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:32:39,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:32:39,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2024-12-02 06:32:39,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663226578] [2024-12-02 06:32:39,367 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:32:39,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-02 06:32:39,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:32:39,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-02 06:32:39,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2024-12-02 06:32:39,368 INFO L87 Difference]: Start difference. First operand 318 states and 364 transitions. Second operand has 27 states, 25 states have (on average 5.0) internal successors, (125), 26 states have internal predecessors, (125), 6 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 06:32:55,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:32:55,307 INFO L93 Difference]: Finished difference Result 1521 states and 1729 transitions. [2024-12-02 06:32:55,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-12-02 06:32:55,308 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 5.0) internal successors, (125), 26 states have internal predecessors, (125), 6 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 113 [2024-12-02 06:32:55,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:32:55,313 INFO L225 Difference]: With dead ends: 1521 [2024-12-02 06:32:55,313 INFO L226 Difference]: Without dead ends: 1206 [2024-12-02 06:32:55,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=483, Invalid=2487, Unknown=0, NotChecked=0, Total=2970 [2024-12-02 06:32:55,315 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 586 mSDsluCounter, 2999 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 3214 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:32:55,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [597 Valid, 3214 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2024-12-02 06:32:55,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2024-12-02 06:32:55,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 517. [2024-12-02 06:32:55,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 442 states have (on average 1.1063348416289593) internal successors, (489), 442 states have internal predecessors, (489), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 06:32:55,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 591 transitions. [2024-12-02 06:32:55,469 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 591 transitions. Word has length 113 [2024-12-02 06:32:55,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:32:55,470 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 591 transitions. [2024-12-02 06:32:55,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 5.0) internal successors, (125), 26 states have internal predecessors, (125), 6 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 06:32:55,470 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 591 transitions. [2024-12-02 06:32:55,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 06:32:55,471 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:32:55,471 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:32:55,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-12-02 06:32:55,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:32:55,671 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:32:55,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:32:55,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1293818884, now seen corresponding path program 1 times [2024-12-02 06:32:55,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:32:55,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804260585] [2024-12-02 06:32:55,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:32:55,672 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 06:32:55,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:32:55,674 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:32:55,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-12-02 06:32:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:32:55,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 06:32:55,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:32:58,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:32:58,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-12-02 06:32:58,997 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 21 [2024-12-02 06:32:59,149 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 06:32:59,149 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:33:00,557 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 06:33:00,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-12-02 06:33:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 06:33:01,577 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:33:01,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804260585] [2024-12-02 06:33:01,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804260585] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:33:01,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:33:01,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 13 [2024-12-02 06:33:01,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457523425] [2024-12-02 06:33:01,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:33:01,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:33:01,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:33:01,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:33:01,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:33:01,579 INFO L87 Difference]: Start difference. First operand 517 states and 591 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:33:02,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:33:02,847 INFO L93 Difference]: Finished difference Result 1032 states and 1177 transitions. [2024-12-02 06:33:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:33:02,851 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 115 [2024-12-02 06:33:02,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:33:02,852 INFO L225 Difference]: With dead ends: 1032 [2024-12-02 06:33:02,852 INFO L226 Difference]: Without dead ends: 518 [2024-12-02 06:33:02,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:33:02,853 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 222 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:33:02,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 195 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:33:02,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-12-02 06:33:02,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 484. [2024-12-02 06:33:02,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 409 states have (on average 1.097799511002445) internal successors, (449), 409 states have internal predecessors, (449), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 06:33:02,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 551 transitions. [2024-12-02 06:33:02,943 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 551 transitions. Word has length 115 [2024-12-02 06:33:02,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:33:02,944 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 551 transitions. [2024-12-02 06:33:02,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:33:02,944 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 551 transitions. [2024-12-02 06:33:02,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 06:33:02,945 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:33:02,945 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:33:02,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-12-02 06:33:03,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:33:03,145 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:33:03,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:33:03,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1630810792, now seen corresponding path program 1 times [2024-12-02 06:33:03,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:33:03,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679533457] [2024-12-02 06:33:03,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:33:03,146 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 06:33:03,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:33:03,147 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:33:03,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-12-02 06:33:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:33:03,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 06:33:03,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:33:05,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:33:05,743 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 9 [2024-12-02 06:33:06,665 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 38 treesize of output 26 [2024-12-02 06:33:07,430 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 06:33:07,430 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:33:10,019 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 06:33:10,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-12-02 06:33:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 06:33:11,038 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:33:11,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679533457] [2024-12-02 06:33:11,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1679533457] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:33:11,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:33:11,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 21 [2024-12-02 06:33:11,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472046135] [2024-12-02 06:33:11,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:33:11,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:33:11,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:33:11,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:33:11,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:33:11,040 INFO L87 Difference]: Start difference. First operand 484 states and 551 transitions. Second operand has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:33:13,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:33:13,926 INFO L93 Difference]: Finished difference Result 508 states and 577 transitions. [2024-12-02 06:33:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:33:13,927 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 115 [2024-12-02 06:33:13,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:33:13,928 INFO L225 Difference]: With dead ends: 508 [2024-12-02 06:33:13,928 INFO L226 Difference]: Without dead ends: 506 [2024-12-02 06:33:13,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 210 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=158, Invalid=772, Unknown=0, NotChecked=0, Total=930 [2024-12-02 06:33:13,928 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 459 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:33:13,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 556 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:33:13,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-12-02 06:33:14,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 496. [2024-12-02 06:33:14,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 421 states have (on average 1.0950118764845607) internal successors, (461), 421 states have internal predecessors, (461), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 06:33:14,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 563 transitions. [2024-12-02 06:33:14,015 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 563 transitions. Word has length 115 [2024-12-02 06:33:14,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:33:14,016 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 563 transitions. [2024-12-02 06:33:14,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:33:14,016 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 563 transitions. [2024-12-02 06:33:14,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 06:33:14,017 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:33:14,017 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:33:14,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-12-02 06:33:14,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:33:14,218 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:33:14,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:33:14,218 INFO L85 PathProgramCache]: Analyzing trace with hash 208504481, now seen corresponding path program 1 times [2024-12-02 06:33:14,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:33:14,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1779888984] [2024-12-02 06:33:14,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:33:14,218 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 06:33:14,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:33:14,220 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:33:14,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-12-02 06:33:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:33:14,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 06:33:14,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:33:16,801 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 17 treesize of output 13 [2024-12-02 06:33:17,693 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 54 treesize of output 42 [2024-12-02 06:33:17,708 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 54 treesize of output 34 [2024-12-02 06:33:18,425 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 06:33:18,425 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:33:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:33:20,112 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:33:20,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1779888984] [2024-12-02 06:33:20,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1779888984] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:33:20,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:33:20,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 18 [2024-12-02 06:33:20,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358039083] [2024-12-02 06:33:20,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:33:20,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:33:20,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:33:20,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:33:20,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:33:20,114 INFO L87 Difference]: Start difference. First operand 496 states and 563 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:33:21,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:33:21,600 INFO L93 Difference]: Finished difference Result 796 states and 903 transitions. [2024-12-02 06:33:21,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:33:21,600 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2024-12-02 06:33:21,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:33:21,603 INFO L225 Difference]: With dead ends: 796 [2024-12-02 06:33:21,603 INFO L226 Difference]: Without dead ends: 794 [2024-12-02 06:33:21,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:33:21,603 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 60 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:33:21,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 693 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 06:33:21,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2024-12-02 06:33:21,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 583. [2024-12-02 06:33:21,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 508 states have (on average 1.0984251968503937) internal successors, (558), 508 states have internal predecessors, (558), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 06:33:21,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 660 transitions. [2024-12-02 06:33:21,722 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 660 transitions. Word has length 115 [2024-12-02 06:33:21,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:33:21,723 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 660 transitions. [2024-12-02 06:33:21,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:33:21,723 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 660 transitions. [2024-12-02 06:33:21,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 06:33:21,724 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:33:21,724 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:33:21,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-12-02 06:33:21,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:33:21,924 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:33:21,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:33:21,925 INFO L85 PathProgramCache]: Analyzing trace with hash 136117923, now seen corresponding path program 1 times [2024-12-02 06:33:21,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:33:21,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426194296] [2024-12-02 06:33:21,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:33:21,925 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 06:33:21,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:33:21,927 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:33:21,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-12-02 06:33:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:33:22,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 06:33:22,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:33:22,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-12-02 06:33:22,652 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 06:33:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:33:22,755 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:33:22,756 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:33:22,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426194296] [2024-12-02 06:33:22,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426194296] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:33:22,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:33:22,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:33:22,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771006495] [2024-12-02 06:33:22,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:33:22,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:33:22,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:33:22,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:33:22,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:33:22,757 INFO L87 Difference]: Start difference. First operand 583 states and 660 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:33:23,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:33:23,845 INFO L93 Difference]: Finished difference Result 1500 states and 1699 transitions. [2024-12-02 06:33:23,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:33:23,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2024-12-02 06:33:23,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:33:23,848 INFO L225 Difference]: With dead ends: 1500 [2024-12-02 06:33:23,848 INFO L226 Difference]: Without dead ends: 920 [2024-12-02 06:33:23,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:33:23,849 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 68 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:33:23,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 611 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:33:23,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2024-12-02 06:33:23,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 671. [2024-12-02 06:33:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 596 states have (on average 1.1023489932885906) internal successors, (657), 596 states have internal predecessors, (657), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 06:33:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 759 transitions. [2024-12-02 06:33:23,940 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 759 transitions. Word has length 115 [2024-12-02 06:33:23,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:33:23,940 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 759 transitions. [2024-12-02 06:33:23,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:33:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 759 transitions. [2024-12-02 06:33:23,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 06:33:23,941 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:33:23,941 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:33:23,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2024-12-02 06:33:24,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:33:24,141 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:33:24,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:33:24,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1022207004, now seen corresponding path program 1 times [2024-12-02 06:33:24,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:33:24,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2092486736] [2024-12-02 06:33:24,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:33:24,142 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:33:24,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:33:24,143 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:33:24,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-12-02 06:33:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:33:24,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:33:24,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:33:26,806 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 12 treesize of output 8 [2024-12-02 06:33:27,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2024-12-02 06:33:27,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-12-02 06:33:28,339 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 06:33:28,339 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:33:30,815 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 06:33:30,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-12-02 06:33:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 06:33:31,890 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:33:31,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2092486736] [2024-12-02 06:33:31,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2092486736] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:33:31,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:33:31,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 21 [2024-12-02 06:33:31,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901652310] [2024-12-02 06:33:31,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:33:31,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:33:31,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:33:31,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:33:31,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:33:31,892 INFO L87 Difference]: Start difference. First operand 671 states and 759 transitions. Second operand has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:33:35,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:33:35,860 INFO L93 Difference]: Finished difference Result 909 states and 1023 transitions. [2024-12-02 06:33:35,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 06:33:35,861 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 115 [2024-12-02 06:33:35,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:33:35,863 INFO L225 Difference]: With dead ends: 909 [2024-12-02 06:33:35,863 INFO L226 Difference]: Without dead ends: 907 [2024-12-02 06:33:35,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 210 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=227, Invalid=1033, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 06:33:35,864 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 710 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:33:35,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 650 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 06:33:35,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2024-12-02 06:33:35,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 603. [2024-12-02 06:33:35,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 528 states have (on average 1.0946969696969697) internal successors, (578), 528 states have internal predecessors, (578), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 06:33:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 680 transitions. [2024-12-02 06:33:35,975 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 680 transitions. Word has length 115 [2024-12-02 06:33:35,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:33:35,975 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 680 transitions. [2024-12-02 06:33:35,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:33:35,975 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 680 transitions. [2024-12-02 06:33:35,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-02 06:33:35,977 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:33:35,977 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:35,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2024-12-02 06:33:36,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:33:36,178 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:33:36,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:33:36,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1324098894, now seen corresponding path program 1 times [2024-12-02 06:33:36,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:33:36,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975194438] [2024-12-02 06:33:36,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:33:36,179 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 06:33:36,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:33:36,180 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:33:36,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-12-02 06:33:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:33:36,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 06:33:36,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:33:41,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:33:41,734 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 9 [2024-12-02 06:33:49,151 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 21 [2024-12-02 06:33:49,410 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 12 treesize of output 8 [2024-12-02 06:33:50,197 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 06:33:50,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-12-02 06:33:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 13 proven. 672 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-12-02 06:33:51,528 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:33:53,945 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 26 treesize of output 22 [2024-12-02 06:33:53,961 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 06:33:54,004 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:33:54,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2024-12-02 06:33:57,361 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:33:57,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2024-12-02 06:34:02,459 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:34:02,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-12-02 06:34:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 87 proven. 93 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-12-02 06:34:04,426 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:34:04,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975194438] [2024-12-02 06:34:04,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975194438] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:34:04,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:34:04,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 36 [2024-12-02 06:34:04,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010608543] [2024-12-02 06:34:04,427 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:34:04,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-12-02 06:34:04,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:34:04,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-12-02 06:34:04,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1143, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 06:34:04,430 INFO L87 Difference]: Start difference. First operand 603 states and 680 transitions. Second operand has 36 states, 32 states have (on average 6.9375) internal successors, (222), 34 states have internal predecessors, (222), 9 states have call successors, (44), 6 states have call predecessors, (44), 8 states have return successors, (44), 6 states have call predecessors, (44), 9 states have call successors, (44) [2024-12-02 06:34:29,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:34:29,417 INFO L93 Difference]: Finished difference Result 1452 states and 1629 transitions. [2024-12-02 06:34:29,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-02 06:34:29,418 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 32 states have (on average 6.9375) internal successors, (222), 34 states have internal predecessors, (222), 9 states have call successors, (44), 6 states have call predecessors, (44), 8 states have return successors, (44), 6 states have call predecessors, (44), 9 states have call successors, (44) Word has length 225 [2024-12-02 06:34:29,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:34:29,419 INFO L225 Difference]: With dead ends: 1452 [2024-12-02 06:34:29,419 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 06:34:29,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 419 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1088 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=1004, Invalid=4696, Unknown=0, NotChecked=0, Total=5700 [2024-12-02 06:34:29,422 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 405 mSDsluCounter, 2417 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 2567 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:34:29,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 2567 Invalid, 1657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1550 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2024-12-02 06:34:29,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 06:34:29,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 06:34:29,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:34:29,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 06:34:29,423 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2024-12-02 06:34:29,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:34:29,424 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:34:29,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 32 states have (on average 6.9375) internal successors, (222), 34 states have internal predecessors, (222), 9 states have call successors, (44), 6 states have call predecessors, (44), 8 states have return successors, (44), 6 states have call predecessors, (44), 9 states have call successors, (44) [2024-12-02 06:34:29,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 06:34:29,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 06:34:29,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:34:29,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-12-02 06:34:29,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cb05bf-2607-4ddf-bb46-1010dacd5f61/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 06:34:29,629 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 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 06:34:29,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 06:35:49,341 WARN L286 SmtUtils]: Spent 1.33m on a formula simplification. DAG size of input: 262 DAG size of output: 278 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)