./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.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_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/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_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/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_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/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 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:29:01,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:29:01,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:29:01,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:29:01,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:29:01,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:29:01,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:29:01,230 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:29:01,231 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:29:01,231 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:29:01,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:29:01,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:29:01,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:29:01,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:29:01,231 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:29:01,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:29:01,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:29:01,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:29:01,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:29:01,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:29:01,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:29:01,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:29:01,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:29:01,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:29:01,232 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:29:01,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:29:01,232 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:29:01,233 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:29:01,233 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:29:01,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:29:01,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:29:01,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:29:01,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:29:01,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:29:01,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:29:01,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:29:01,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:29:01,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:29:01,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:29:01,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:29:01,234 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:29:01,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:29:01,234 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:29:01,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:29:01,234 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:29:01,234 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:29:01,234 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:29:01,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:29:01,234 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_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/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 -> 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 [2024-12-02 15:29:01,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:29:01,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:29:01,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:29:01,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:29:01,486 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:29:01,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2024-12-02 15:29:04,069 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/data/957c31293/a52970a61e124dfe8f42b423f4af3281/FLAG89643fe1b [2024-12-02 15:29:04,292 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:29:04,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2024-12-02 15:29:04,300 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/data/957c31293/a52970a61e124dfe8f42b423f4af3281/FLAG89643fe1b [2024-12-02 15:29:04,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/data/957c31293/a52970a61e124dfe8f42b423f4af3281 [2024-12-02 15:29:04,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:29:04,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:29:04,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:29:04,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:29:04,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:29:04,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:04,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d4fb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04, skipping insertion in model container [2024-12-02 15:29:04,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:04,673 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:29:04,774 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_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2024-12-02 15:29:04,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:29:04,853 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:29:04,861 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_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2024-12-02 15:29:04,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:29:04,925 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:29:04,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04 WrapperNode [2024-12-02 15:29:04,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:29:04,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:29:04,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:29:04,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:29:04,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:04,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:04,986 INFO L138 Inliner]: procedures = 30, calls = 243, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 763 [2024-12-02 15:29:04,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:29:04,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:29:04,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:29:04,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:29:04,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:04,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,003 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,010 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-12-02 15:29:05,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,035 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:29:05,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:29:05,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:29:05,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:29:05,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:29:05,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:29:05,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:29:05,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:29:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:29:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-12-02 15:29:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-02 15:29:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-02 15:29:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 15:29:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-12-02 15:29:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 15:29:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:29:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:29:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 15:29:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:29:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:29:05,219 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:29:05,220 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:29:06,097 INFO L? ?]: Removed 251 outVars from TransFormulas that were not future-live. [2024-12-02 15:29:06,097 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:29:06,109 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:29:06,110 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:29:06,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:06 BoogieIcfgContainer [2024-12-02 15:29:06,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:29:06,112 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:29:06,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:29:06,116 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:29:06,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:29:04" (1/3) ... [2024-12-02 15:29:06,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46cb925d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:06, skipping insertion in model container [2024-12-02 15:29:06,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (2/3) ... [2024-12-02 15:29:06,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46cb925d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:06, skipping insertion in model container [2024-12-02 15:29:06,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:06" (3/3) ... [2024-12-02 15:29:06,118 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-86.i [2024-12-02 15:29:06,133 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:29:06,134 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-86.i that has 2 procedures, 159 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:29:06,178 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:29:06,187 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;@4242b212, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:29:06,188 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:29:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 131 states have (on average 1.4351145038167938) internal successors, (188), 132 states have internal predecessors, (188), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 15:29:06,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-12-02 15:29:06,201 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:06,202 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:06,203 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:06,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:06,208 INFO L85 PathProgramCache]: Analyzing trace with hash -665917478, now seen corresponding path program 1 times [2024-12-02 15:29:06,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:06,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596146080] [2024-12-02 15:29:06,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:06,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-12-02 15:29:06,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:06,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596146080] [2024-12-02 15:29:06,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596146080] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:29:06,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686397730] [2024-12-02 15:29:06,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:06,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:29:06,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:29:06,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:29:06,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:29:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:06,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:29:06,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-12-02 15:29:06,871 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:06,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686397730] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:06,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:29:06,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:29:06,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31077035] [2024-12-02 15:29:06,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:06,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:29:06,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:06,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:29:06,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:29:06,898 INFO L87 Difference]: Start difference. First operand has 159 states, 131 states have (on average 1.4351145038167938) internal successors, (188), 132 states have internal predecessors, (188), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:06,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:06,935 INFO L93 Difference]: Finished difference Result 311 states and 495 transitions. [2024-12-02 15:29:06,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:29:06,936 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 185 [2024-12-02 15:29:06,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:06,943 INFO L225 Difference]: With dead ends: 311 [2024-12-02 15:29:06,943 INFO L226 Difference]: Without dead ends: 155 [2024-12-02 15:29:06,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 186 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 15:29:06,949 INFO L435 NwaCegarLoop]: 231 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, 231 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 15:29:06,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:06,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-12-02 15:29:06,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-12-02 15:29:06,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.4140625) internal successors, (181), 128 states have internal predecessors, (181), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 15:29:06,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 231 transitions. [2024-12-02 15:29:06,990 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 231 transitions. Word has length 185 [2024-12-02 15:29:06,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:06,991 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 231 transitions. [2024-12-02 15:29:06,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:06,991 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 231 transitions. [2024-12-02 15:29:06,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-12-02 15:29:06,995 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:06,995 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:07,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:29:07,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:29:07,196 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:07,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:07,197 INFO L85 PathProgramCache]: Analyzing trace with hash 238950816, now seen corresponding path program 1 times [2024-12-02 15:29:07,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:07,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614283419] [2024-12-02 15:29:07,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:07,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:07,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 15:29:07,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:07,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614283419] [2024-12-02 15:29:07,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614283419] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:07,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:07,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:29:07,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754638112] [2024-12-02 15:29:07,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:07,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:29:07,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:07,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:29:07,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:07,626 INFO L87 Difference]: Start difference. First operand 155 states and 231 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 15:29:07,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:07,680 INFO L93 Difference]: Finished difference Result 310 states and 463 transitions. [2024-12-02 15:29:07,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:29:07,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 185 [2024-12-02 15:29:07,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:07,683 INFO L225 Difference]: With dead ends: 310 [2024-12-02 15:29:07,683 INFO L226 Difference]: Without dead ends: 158 [2024-12-02 15:29:07,684 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 15:29:07,685 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 1 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:07,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 675 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:07,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-12-02 15:29:07,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2024-12-02 15:29:07,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 130 states have (on average 1.4076923076923078) internal successors, (183), 130 states have internal predecessors, (183), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 15:29:07,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 233 transitions. [2024-12-02 15:29:07,699 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 233 transitions. Word has length 185 [2024-12-02 15:29:07,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:07,701 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 233 transitions. [2024-12-02 15:29:07,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 15:29:07,701 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 233 transitions. [2024-12-02 15:29:07,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-12-02 15:29:07,704 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:07,704 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:07,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:29:07,705 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:07,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:07,705 INFO L85 PathProgramCache]: Analyzing trace with hash 240797858, now seen corresponding path program 1 times [2024-12-02 15:29:07,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:07,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558471691] [2024-12-02 15:29:07,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:07,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 15:29:08,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:08,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558471691] [2024-12-02 15:29:08,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558471691] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:08,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:08,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:08,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814424841] [2024-12-02 15:29:08,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:08,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:08,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:08,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:08,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:08,977 INFO L87 Difference]: Start difference. First operand 157 states and 233 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 15:29:09,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:09,652 INFO L93 Difference]: Finished difference Result 410 states and 609 transitions. [2024-12-02 15:29:09,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:09,652 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 185 [2024-12-02 15:29:09,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:09,655 INFO L225 Difference]: With dead ends: 410 [2024-12-02 15:29:09,655 INFO L226 Difference]: Without dead ends: 256 [2024-12-02 15:29:09,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:09,656 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 129 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:09,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 779 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:29:09,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-12-02 15:29:09,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 253. [2024-12-02 15:29:09,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 219 states have (on average 1.4337899543378996) internal successors, (314), 220 states have internal predecessors, (314), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-12-02 15:29:09,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 376 transitions. [2024-12-02 15:29:09,675 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 376 transitions. Word has length 185 [2024-12-02 15:29:09,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:09,676 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 376 transitions. [2024-12-02 15:29:09,676 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 15:29:09,676 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 376 transitions. [2024-12-02 15:29:09,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-12-02 15:29:09,679 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:09,679 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:09,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:29:09,679 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:09,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:09,680 INFO L85 PathProgramCache]: Analyzing trace with hash 816782759, now seen corresponding path program 1 times [2024-12-02 15:29:09,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:09,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564546253] [2024-12-02 15:29:09,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:09,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:12,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 15:29:12,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:12,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564546253] [2024-12-02 15:29:12,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564546253] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:12,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:12,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:29:12,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656948548] [2024-12-02 15:29:12,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:12,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:29:12,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:12,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:29:12,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:29:12,535 INFO L87 Difference]: Start difference. First operand 253 states and 376 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:13,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:13,164 INFO L93 Difference]: Finished difference Result 500 states and 743 transitions. [2024-12-02 15:29:13,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:29:13,164 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 187 [2024-12-02 15:29:13,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:13,167 INFO L225 Difference]: With dead ends: 500 [2024-12-02 15:29:13,167 INFO L226 Difference]: Without dead ends: 250 [2024-12-02 15:29:13,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:13,167 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 212 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:13,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 630 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:29:13,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-12-02 15:29:13,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 248. [2024-12-02 15:29:13,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 214 states have (on average 1.4205607476635513) internal successors, (304), 215 states have internal predecessors, (304), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-12-02 15:29:13,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 366 transitions. [2024-12-02 15:29:13,183 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 366 transitions. Word has length 187 [2024-12-02 15:29:13,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:13,183 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 366 transitions. [2024-12-02 15:29:13,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:13,183 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 366 transitions. [2024-12-02 15:29:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-12-02 15:29:13,186 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:13,186 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:13,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:29:13,186 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:13,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:13,187 INFO L85 PathProgramCache]: Analyzing trace with hash -204285595, now seen corresponding path program 1 times [2024-12-02 15:29:13,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:13,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972293931] [2024-12-02 15:29:13,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:13,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:14,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 15:29:14,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:14,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972293931] [2024-12-02 15:29:14,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972293931] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:14,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:14,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:29:14,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735383010] [2024-12-02 15:29:14,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:14,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:29:14,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:14,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:29:14,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:29:14,734 INFO L87 Difference]: Start difference. First operand 248 states and 366 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:15,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:15,323 INFO L93 Difference]: Finished difference Result 495 states and 730 transitions. [2024-12-02 15:29:15,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:29:15,323 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 187 [2024-12-02 15:29:15,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:15,326 INFO L225 Difference]: With dead ends: 495 [2024-12-02 15:29:15,326 INFO L226 Difference]: Without dead ends: 250 [2024-12-02 15:29:15,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:15,328 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 204 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:15,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 776 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:29:15,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-12-02 15:29:15,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 248. [2024-12-02 15:29:15,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 214 states have (on average 1.4158878504672898) internal successors, (303), 215 states have internal predecessors, (303), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-12-02 15:29:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 365 transitions. [2024-12-02 15:29:15,346 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 365 transitions. Word has length 187 [2024-12-02 15:29:15,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:15,347 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 365 transitions. [2024-12-02 15:29:15,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:15,347 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 365 transitions. [2024-12-02 15:29:15,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-12-02 15:29:15,349 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:15,349 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:15,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:29:15,349 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:15,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:15,350 INFO L85 PathProgramCache]: Analyzing trace with hash 768425565, now seen corresponding path program 1 times [2024-12-02 15:29:15,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:15,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064990484] [2024-12-02 15:29:15,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:15,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:16,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 69 proven. 3 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 15:29:16,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:16,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064990484] [2024-12-02 15:29:16,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064990484] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:29:16,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783737836] [2024-12-02 15:29:16,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:16,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:29:16,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:29:16,254 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:29:16,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:29:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:16,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 15:29:16,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:16,988 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:16,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 31 treesize of output 33 [2024-12-02 15:29:17,030 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:17,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 36 [2024-12-02 15:29:17,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:17,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 47 [2024-12-02 15:29:17,108 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:17,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 19 [2024-12-02 15:29:17,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 162 proven. 3 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 15:29:17,149 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:29:17,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 69 proven. 3 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 15:29:17,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783737836] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:29:17,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:29:17,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8] total 18 [2024-12-02 15:29:17,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456160657] [2024-12-02 15:29:17,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:29:17,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 15:29:17,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:17,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 15:29:17,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:29:17,444 INFO L87 Difference]: Start difference. First operand 248 states and 365 transitions. Second operand has 18 states, 15 states have (on average 6.2) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 6 states have call successors, (29) [2024-12-02 15:29:19,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:19,911 INFO L93 Difference]: Finished difference Result 591 states and 859 transitions. [2024-12-02 15:29:19,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-02 15:29:19,911 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.2) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 6 states have call successors, (29) Word has length 187 [2024-12-02 15:29:19,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:19,914 INFO L225 Difference]: With dead ends: 591 [2024-12-02 15:29:19,914 INFO L226 Difference]: Without dead ends: 346 [2024-12-02 15:29:19,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 368 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=367, Invalid=1273, Unknown=0, NotChecked=0, Total=1640 [2024-12-02 15:29:19,916 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 989 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 1834 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 2215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 1834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:19,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [995 Valid, 666 Invalid, 2215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 1834 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 15:29:19,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-12-02 15:29:19,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 252. [2024-12-02 15:29:19,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 217 states have (on average 1.400921658986175) internal successors, (304), 218 states have internal predecessors, (304), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-12-02 15:29:19,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 366 transitions. [2024-12-02 15:29:19,940 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 366 transitions. Word has length 187 [2024-12-02 15:29:19,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:19,941 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 366 transitions. [2024-12-02 15:29:19,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.2) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 6 states have call successors, (29) [2024-12-02 15:29:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 366 transitions. [2024-12-02 15:29:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-12-02 15:29:19,942 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:19,943 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:19,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:29:20,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:29:20,143 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:20,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:20,144 INFO L85 PathProgramCache]: Analyzing trace with hash -521316907, now seen corresponding path program 1 times [2024-12-02 15:29:20,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:20,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101388383] [2024-12-02 15:29:20,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:20,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:29:20,280 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:29:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:29:20,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:29:20,429 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:29:20,430 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:29:20,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:29:20,434 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:20,484 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:29:20,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:29:20 BoogieIcfgContainer [2024-12-02 15:29:20,487 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:29:20,487 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:29:20,487 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:29:20,487 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:29:20,488 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:06" (3/4) ... [2024-12-02 15:29:20,490 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:29:20,491 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:29:20,492 INFO L158 Benchmark]: Toolchain (without parser) took 15838.38ms. Allocated memory was 117.4MB in the beginning and 604.0MB in the end (delta: 486.5MB). Free memory was 92.5MB in the beginning and 542.8MB in the end (delta: -450.2MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-12-02 15:29:20,492 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:29:20,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.34ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 70.8MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 15:29:20,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.31ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 64.9MB in the end (delta: 6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:29:20,493 INFO L158 Benchmark]: Boogie Preprocessor took 69.50ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 59.9MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:29:20,493 INFO L158 Benchmark]: RCFGBuilder took 1053.17ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 63.5MB in the end (delta: -3.6MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-12-02 15:29:20,493 INFO L158 Benchmark]: TraceAbstraction took 14374.92ms. Allocated memory was 117.4MB in the beginning and 604.0MB in the end (delta: 486.5MB). Free memory was 63.0MB in the beginning and 542.9MB in the end (delta: -479.9MB). Peak memory consumption was 343.3MB. Max. memory is 16.1GB. [2024-12-02 15:29:20,493 INFO L158 Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 604.0MB. Free memory was 542.9MB in the beginning and 542.8MB in the end (delta: 82.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:29:20,495 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.34ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 70.8MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.31ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 64.9MB in the end (delta: 6.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.50ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 59.9MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1053.17ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 63.5MB in the end (delta: -3.6MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14374.92ms. Allocated memory was 117.4MB in the beginning and 604.0MB in the end (delta: 486.5MB). Free memory was 63.0MB in the beginning and 542.9MB in the end (delta: -479.9MB). Peak memory consumption was 343.3MB. Max. memory is 16.1GB. * Witness Printer took 3.65ms. Allocated memory is still 604.0MB. Free memory was 542.9MB in the beginning and 542.8MB in the end (delta: 82.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 107, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 107, overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryArithmeticFLOAToperation at line 73. Possible FailurePath: [L42] unsigned char isInitial = 0; [L43-L62] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 2, 256, -256, 2, 255.8, 127.8, 128.5, 499.3, 10, 1, 8, 256, 1, 16, 57705, 64 }; VAL [WrapperStruct00={4:0}, isInitial=0] [L134] isInitial = 1 [L135] FCALL initially() [L137] FCALL updateLastVariables() [L138] CALL updateVariables() [L87] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L88] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] WrapperStruct00.var_1_3 = __VERIFIER_nondet_short() [L91] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= -16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= -16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] WrapperStruct00.var_1_4 = __VERIFIER_nondet_short() [L94] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -8191) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -8191) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 8192) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 8192) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] WrapperStruct00.var_1_5 = __VERIFIER_nondet_short() [L97] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= -8191) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= -8191) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 8191) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 8191) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_6 = __VERIFIER_nondet_short() [L100] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= -32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= -32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 32766) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 32766) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_8 = __VERIFIER_nondet_float() [L103] EXPR WrapperStruct00.var_1_8 [L103] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L103] EXPR WrapperStruct00.var_1_8 [L103] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L103] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L103] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L105] EXPR WrapperStruct00.var_1_9 [L105] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F [L105] EXPR WrapperStruct00.var_1_9 [L105] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L105] EXPR (WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L105] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L107] EXPR WrapperStruct00.var_1_10 [L107] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F [L107] EXPR WrapperStruct00.var_1_10 [L107] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR (WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L107] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L109] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ushort() [L112] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] WrapperStruct00.var_1_14 = __VERIFIER_nondet_ushort() [L115] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L116] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L116] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] WrapperStruct00.var_1_15 = __VERIFIER_nondet_ushort() [L118] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L118] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L119] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L119] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] WrapperStruct00.var_1_16 = __VERIFIER_nondet_ushort() [L121] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L121] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L121] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L122] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L122] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L123] WrapperStruct00.var_1_17 = __VERIFIER_nondet_ushort() [L124] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L124] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L124] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L125] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L125] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L125] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] RET updateVariables() [L139] CALL step() [L66] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L66] COND FALSE !(! WrapperStruct00.var_1_2) [L69] EXPR WrapperStruct00.var_1_5 [L69] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_5 [L71] EXPR WrapperStruct00.var_1_5 [L71] signed short int stepLocal_0 = WrapperStruct00.var_1_5; [L72] COND TRUE stepLocal_0 > 2 [L73] EXPR WrapperStruct00.var_1_8 [L73] EXPR WrapperStruct00.var_1_9 [L73] EXPR WrapperStruct00.var_1_10 [L73] WrapperStruct00.var_1_7 = ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10) [L75] EXPR WrapperStruct00.var_1_17 [L75] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_17 [L76] EXPR WrapperStruct00.var_1_2 [L76] WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12 [L76] EXPR WrapperStruct00.var_1_12 [L76] WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L76] COND FALSE !(WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) [L79] EXPR WrapperStruct00.var_1_3 [L79] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L79] EXPR -25 << WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L79] COND FALSE !(WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) [L82] EXPR WrapperStruct00.var_1_17 [L82] EXPR WrapperStruct00.var_1_15 [L82] WrapperStruct00.var_1_11 = (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15) [L139] RET step() [L140] CALL, EXPR property() [L130] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR (! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) [L130] EXPR WrapperStruct00.var_1_1 [L130] EXPR WrapperStruct00.var_1_5 [L130] EXPR (! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1) [L130] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR (WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1 [L130] EXPR WrapperStruct00.var_1_7 [L130] EXPR WrapperStruct00.var_1_8 [L130] EXPR WrapperStruct00.var_1_9 [L130] EXPR WrapperStruct00.var_1_10 [L130] EXPR (WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR (((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_13 + ((((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16)))))) : ((WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_11 == ((unsigned short int) ((((((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) < 0 ) ? -(((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) : (((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))))))) : (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR ((((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_13 + ((((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16)))))) : ((WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_11 == ((unsigned short int) ((((((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) < 0 ) ? -(((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) : (((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))))))) : (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_18 == ((unsigned long int) WrapperStruct00.var_1_17)) VAL [WrapperStruct00={4:0}, isInitial=1] [L130-L131] return ((((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_13 + ((((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16)))))) : ((WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_11 == ((unsigned short int) ((((((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) < 0 ) ? -(((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) : (((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))))))) : (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_18 == ((unsigned long int) WrapperStruct00.var_1_17)) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 159 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.3s, OverallIterations: 7, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1543 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1535 mSDsluCounter, 3757 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2477 mSDsCounter, 401 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3128 IncrementalHoareTripleChecker+Invalid, 3529 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 401 mSolverCounterUnsat, 1280 mSDtfsCounter, 3128 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 661 GetRequests, 604 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=3, InterpolantAutomatonStates: 52, 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, 6 MinimizatonAttempts, 102 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 1676 NumberOfCodeBlocks, 1676 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1666 ConstructedInterpolants, 0 QuantifiedInterpolants, 2589 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1297 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 10743/10800 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 15:29:20,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/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_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/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_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/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 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:29:22,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:29:22,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:29:22,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:29:22,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:29:22,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:29:22,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:29:22,576 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:29:22,577 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:29:22,577 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:29:22,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:29:22,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:29:22,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:29:22,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:29:22,578 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:29:22,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:29:22,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:29:22,578 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:29:22,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:29:22,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:29:22,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:29:22,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:29:22,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:29:22,579 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:29:22,579 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:29:22,579 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:29:22,579 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:29:22,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:29:22,579 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:29:22,579 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:29:22,579 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:29:22,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:29:22,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:29:22,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:29:22,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:29:22,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:29:22,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:29:22,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:29:22,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:29:22,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:29:22,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:29:22,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:29:22,580 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:29:22,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:29:22,581 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:29:22,581 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:29:22,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:29:22,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:29:22,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:29:22,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:29:22,581 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_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/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 -> 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 [2024-12-02 15:29:22,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:29:22,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:29:22,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:29:22,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:29:22,816 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:29:22,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2024-12-02 15:29:25,418 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/data/bc0e41455/c9a80d5e3dcd45b8b76b5e8d9b66395d/FLAGc870c2a30 [2024-12-02 15:29:25,631 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:29:25,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2024-12-02 15:29:25,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/data/bc0e41455/c9a80d5e3dcd45b8b76b5e8d9b66395d/FLAGc870c2a30 [2024-12-02 15:29:25,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/data/bc0e41455/c9a80d5e3dcd45b8b76b5e8d9b66395d [2024-12-02 15:29:25,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:29:25,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:29:26,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:29:26,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:29:26,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:29:26,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:29:25" (1/1) ... [2024-12-02 15:29:26,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73401b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26, skipping insertion in model container [2024-12-02 15:29:26,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:29:25" (1/1) ... [2024-12-02 15:29:26,018 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:29:26,122 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_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2024-12-02 15:29:26,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:29:26,200 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:29:26,208 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_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2024-12-02 15:29:26,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:29:26,284 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:29:26,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26 WrapperNode [2024-12-02 15:29:26,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:29:26,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:29:26,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:29:26,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:29:26,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26" (1/1) ... [2024-12-02 15:29:26,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26" (1/1) ... [2024-12-02 15:29:26,346 INFO L138 Inliner]: procedures = 37, calls = 243, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 744 [2024-12-02 15:29:26,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:29:26,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:29:26,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:29:26,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:29:26,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26" (1/1) ... [2024-12-02 15:29:26,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26" (1/1) ... [2024-12-02 15:29:26,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26" (1/1) ... [2024-12-02 15:29:26,384 INFO L175 MemorySlicer]: Split 207 memory accesses to 2 slices as follows [2, 205]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 40 writes are split as follows [0, 40]. [2024-12-02 15:29:26,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26" (1/1) ... [2024-12-02 15:29:26,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26" (1/1) ... [2024-12-02 15:29:26,419 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26" (1/1) ... [2024-12-02 15:29:26,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26" (1/1) ... [2024-12-02 15:29:26,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26" (1/1) ... [2024-12-02 15:29:26,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26" (1/1) ... [2024-12-02 15:29:26,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26" (1/1) ... [2024-12-02 15:29:26,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:29:26,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:29:26,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:29:26,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:29:26,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26" (1/1) ... [2024-12-02 15:29:26,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:29:26,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:29:26,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:29:26,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:29:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-12-02 15:29:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-12-02 15:29:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-12-02 15:29:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-12-02 15:29:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:29:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:29:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-12-02 15:29:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-12-02 15:29:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:29:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:29:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 15:29:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 15:29:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 15:29:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 15:29:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 15:29:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 15:29:26,630 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:29:26,632 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:29:28,244 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live. [2024-12-02 15:29:28,245 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:29:28,256 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:29:28,256 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:29:28,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:28 BoogieIcfgContainer [2024-12-02 15:29:28,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:29:28,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:29:28,259 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:29:28,263 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:29:28,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:29:25" (1/3) ... [2024-12-02 15:29:28,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7dc5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:28, skipping insertion in model container [2024-12-02 15:29:28,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:26" (2/3) ... [2024-12-02 15:29:28,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7dc5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:28, skipping insertion in model container [2024-12-02 15:29:28,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:28" (3/3) ... [2024-12-02 15:29:28,265 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-86.i [2024-12-02 15:29:28,276 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:29:28,277 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-86.i that has 2 procedures, 155 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:29:28,318 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:29:28,328 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;@5c4be77f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:29:28,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:29:28,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 127 states have (on average 1.4330708661417322) internal successors, (182), 128 states have internal predecessors, (182), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 15:29:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 15:29:28,342 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:28,343 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:28,343 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:28,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:28,347 INFO L85 PathProgramCache]: Analyzing trace with hash -296626110, now seen corresponding path program 1 times [2024-12-02 15:29:28,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:28,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948111769] [2024-12-02 15:29:28,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:28,356 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 15:29:28,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:28,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:28,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:28,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:29:28,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:28,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 608 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2024-12-02 15:29:28,836 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:28,836 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:28,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948111769] [2024-12-02 15:29:28,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [948111769] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:28,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:28,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:29:28,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867970543] [2024-12-02 15:29:28,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:28,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:29:28,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:28,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:29:28,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:29:28,859 INFO L87 Difference]: Start difference. First operand has 155 states, 127 states have (on average 1.4330708661417322) internal successors, (182), 128 states have internal predecessors, (182), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:28,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:28,891 INFO L93 Difference]: Finished difference Result 303 states and 483 transitions. [2024-12-02 15:29:28,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:29:28,892 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 184 [2024-12-02 15:29:28,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:28,898 INFO L225 Difference]: With dead ends: 303 [2024-12-02 15:29:28,899 INFO L226 Difference]: Without dead ends: 151 [2024-12-02 15:29:28,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 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 15:29:28,904 INFO L435 NwaCegarLoop]: 225 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, 225 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 15:29:28,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:28,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-12-02 15:29:28,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-12-02 15:29:28,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 124 states have (on average 1.4112903225806452) internal successors, (175), 124 states have internal predecessors, (175), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 15:29:28,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 225 transitions. [2024-12-02 15:29:28,943 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 225 transitions. Word has length 184 [2024-12-02 15:29:28,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:28,943 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 225 transitions. [2024-12-02 15:29:28,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:28,944 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 225 transitions. [2024-12-02 15:29:28,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 15:29:28,947 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:28,947 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:28,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:29,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:29,148 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:29,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:29,149 INFO L85 PathProgramCache]: Analyzing trace with hash 2087867836, now seen corresponding path program 1 times [2024-12-02 15:29:29,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:29,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711060967] [2024-12-02 15:29:29,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:29,150 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 15:29:29,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:29,151 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:29,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:29,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:29:29,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:29,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2024-12-02 15:29:29,672 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:29,672 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:29,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [711060967] [2024-12-02 15:29:29,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [711060967] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:29,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:29,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:29:29,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882959649] [2024-12-02 15:29:29,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:29,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:29:29,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:29,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:29:29,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:29,675 INFO L87 Difference]: Start difference. First operand 151 states and 225 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:29,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:29,739 INFO L93 Difference]: Finished difference Result 301 states and 450 transitions. [2024-12-02 15:29:29,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:29:29,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 184 [2024-12-02 15:29:29,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:29,742 INFO L225 Difference]: With dead ends: 301 [2024-12-02 15:29:29,742 INFO L226 Difference]: Without dead ends: 153 [2024-12-02 15:29:29,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 181 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 15:29:29,744 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 0 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 658 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 15:29:29,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 658 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:29,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-12-02 15:29:29,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-12-02 15:29:29,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 126 states have (on average 1.4047619047619047) internal successors, (177), 126 states have internal predecessors, (177), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 15:29:29,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 227 transitions. [2024-12-02 15:29:29,757 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 227 transitions. Word has length 184 [2024-12-02 15:29:29,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:29,758 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 227 transitions. [2024-12-02 15:29:29,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 227 transitions. [2024-12-02 15:29:29,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 15:29:29,761 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:29,761 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:29,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:29,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:29,962 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:29,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:29,962 INFO L85 PathProgramCache]: Analyzing trace with hash -924927174, now seen corresponding path program 1 times [2024-12-02 15:29:29,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:29,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664481703] [2024-12-02 15:29:29,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:29,963 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 15:29:29,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:29,964 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:29,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:30,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:29:30,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 15:29:30,390 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:30,390 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:30,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1664481703] [2024-12-02 15:29:30,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1664481703] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:30,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:30,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:30,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691030107] [2024-12-02 15:29:30,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:30,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:30,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:30,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:30,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:30,393 INFO L87 Difference]: Start difference. First operand 153 states and 227 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 15:29:30,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:30,452 INFO L93 Difference]: Finished difference Result 308 states and 458 transitions. [2024-12-02 15:29:30,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:30,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 184 [2024-12-02 15:29:30,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:30,454 INFO L225 Difference]: With dead ends: 308 [2024-12-02 15:29:30,454 INFO L226 Difference]: Without dead ends: 158 [2024-12-02 15:29:30,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:30,456 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 1 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:30,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 867 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:30,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-12-02 15:29:30,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2024-12-02 15:29:30,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 130 states have (on average 1.3923076923076922) internal successors, (181), 130 states have internal predecessors, (181), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 15:29:30,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 231 transitions. [2024-12-02 15:29:30,467 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 231 transitions. Word has length 184 [2024-12-02 15:29:30,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:30,468 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 231 transitions. [2024-12-02 15:29:30,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 15:29:30,469 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 231 transitions. [2024-12-02 15:29:30,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 15:29:30,471 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:30,471 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:30,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:30,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:30,672 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:30,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:30,672 INFO L85 PathProgramCache]: Analyzing trace with hash -923080132, now seen corresponding path program 1 times [2024-12-02 15:29:30,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:30,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350327292] [2024-12-02 15:29:30,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:30,673 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 15:29:30,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:30,675 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:30,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:31,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:29:31,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:31,278 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 41 [2024-12-02 15:29:31,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2024-12-02 15:29:31,317 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:31,317 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:31,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350327292] [2024-12-02 15:29:31,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [350327292] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:31,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:31,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:31,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575618859] [2024-12-02 15:29:31,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:31,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:29:31,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:31,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:29:31,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:29:31,319 INFO L87 Difference]: Start difference. First operand 157 states and 231 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:32,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:32,987 INFO L93 Difference]: Finished difference Result 311 states and 459 transitions. [2024-12-02 15:29:32,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:29:32,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 184 [2024-12-02 15:29:32,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:32,989 INFO L225 Difference]: With dead ends: 311 [2024-12-02 15:29:32,989 INFO L226 Difference]: Without dead ends: 157 [2024-12-02 15:29:32,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:29:32,990 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 188 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:32,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 678 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 15:29:32,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-12-02 15:29:32,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2024-12-02 15:29:32,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.390625) internal successors, (178), 128 states have internal predecessors, (178), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 15:29:33,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 228 transitions. [2024-12-02 15:29:33,001 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 228 transitions. Word has length 184 [2024-12-02 15:29:33,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:33,001 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 228 transitions. [2024-12-02 15:29:33,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:33,001 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 228 transitions. [2024-12-02 15:29:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 15:29:33,004 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:33,004 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:33,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:33,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:33,205 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:33,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:33,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1296817660, now seen corresponding path program 1 times [2024-12-02 15:29:33,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:33,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065777599] [2024-12-02 15:29:33,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:33,206 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:29:33,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:33,207 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:33,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:33,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 15:29:33,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:33,797 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 94 treesize of output 40 [2024-12-02 15:29:33,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 616 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 15:29:33,865 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:29:34,069 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 58 treesize of output 22 [2024-12-02 15:29:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 15:29:34,106 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:34,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065777599] [2024-12-02 15:29:34,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065777599] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:29:34,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:29:34,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-12-02 15:29:34,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788754395] [2024-12-02 15:29:34,107 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:29:34,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:29:34,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:34,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:29:34,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:29:34,109 INFO L87 Difference]: Start difference. First operand 155 states and 228 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2024-12-02 15:29:36,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:36,194 INFO L93 Difference]: Finished difference Result 320 states and 468 transitions. [2024-12-02 15:29:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:29:36,195 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 186 [2024-12-02 15:29:36,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:36,197 INFO L225 Difference]: With dead ends: 320 [2024-12-02 15:29:36,197 INFO L226 Difference]: Without dead ends: 157 [2024-12-02 15:29:36,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-12-02 15:29:36,198 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 184 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:36,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 813 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 15:29:36,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-12-02 15:29:36,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2024-12-02 15:29:36,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.375) internal successors, (176), 128 states have internal predecessors, (176), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 15:29:36,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 226 transitions. [2024-12-02 15:29:36,208 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 226 transitions. Word has length 186 [2024-12-02 15:29:36,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:36,209 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 226 transitions. [2024-12-02 15:29:36,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2024-12-02 15:29:36,209 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 226 transitions. [2024-12-02 15:29:36,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 15:29:36,212 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:36,212 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:36,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:36,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:36,412 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:36,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:36,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1784864766, now seen corresponding path program 1 times [2024-12-02 15:29:36,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:36,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1559873141] [2024-12-02 15:29:36,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:36,414 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 15:29:36,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:36,415 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:36,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:36,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:29:36,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:36,929 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 41 [2024-12-02 15:29:36,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 616 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-12-02 15:29:36,954 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:36,954 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:36,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1559873141] [2024-12-02 15:29:36,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1559873141] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:36,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:36,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:36,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335871591] [2024-12-02 15:29:36,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:36,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:29:36,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:36,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:29:36,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:29:36,956 INFO L87 Difference]: Start difference. First operand 155 states and 226 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:38,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:38,452 INFO L93 Difference]: Finished difference Result 308 states and 450 transitions. [2024-12-02 15:29:38,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:29:38,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 186 [2024-12-02 15:29:38,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:38,454 INFO L225 Difference]: With dead ends: 308 [2024-12-02 15:29:38,454 INFO L226 Difference]: Without dead ends: 156 [2024-12-02 15:29:38,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:29:38,455 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 175 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:38,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 666 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 15:29:38,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-12-02 15:29:38,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2024-12-02 15:29:38,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.3671875) internal successors, (175), 128 states have internal predecessors, (175), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 15:29:38,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 225 transitions. [2024-12-02 15:29:38,463 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 225 transitions. Word has length 186 [2024-12-02 15:29:38,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:38,464 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 225 transitions. [2024-12-02 15:29:38,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:38,464 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2024-12-02 15:29:38,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-12-02 15:29:38,465 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:38,465 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:38,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:38,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:38,666 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:38,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:38,666 INFO L85 PathProgramCache]: Analyzing trace with hash 811330044, now seen corresponding path program 1 times [2024-12-02 15:29:38,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:38,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697721433] [2024-12-02 15:29:38,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:38,667 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 15:29:38,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:38,668 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:38,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:39,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:29:39,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:39,196 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 41 [2024-12-02 15:29:39,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2024-12-02 15:29:39,223 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:39,224 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:39,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697721433] [2024-12-02 15:29:39,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1697721433] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:39,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:39,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:39,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60912246] [2024-12-02 15:29:39,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:39,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:29:39,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:39,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:29:39,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:29:39,225 INFO L87 Difference]: Start difference. First operand 155 states and 225 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:40,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:40,519 INFO L93 Difference]: Finished difference Result 308 states and 448 transitions. [2024-12-02 15:29:40,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:29:40,519 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 188 [2024-12-02 15:29:40,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:40,521 INFO L225 Difference]: With dead ends: 308 [2024-12-02 15:29:40,521 INFO L226 Difference]: Without dead ends: 156 [2024-12-02 15:29:40,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:29:40,522 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 167 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:40,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 662 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 15:29:40,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-12-02 15:29:40,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2024-12-02 15:29:40,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.359375) internal successors, (174), 128 states have internal predecessors, (174), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 15:29:40,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 224 transitions. [2024-12-02 15:29:40,531 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 224 transitions. Word has length 188 [2024-12-02 15:29:40,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:40,531 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 224 transitions. [2024-12-02 15:29:40,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 224 transitions. [2024-12-02 15:29:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 15:29:40,532 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:40,532 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:40,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:40,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:40,733 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:40,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:40,733 INFO L85 PathProgramCache]: Analyzing trace with hash 996962754, now seen corresponding path program 1 times [2024-12-02 15:29:40,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:40,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514804250] [2024-12-02 15:29:40,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:40,734 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 15:29:40,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:40,735 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:40,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:41,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-02 15:29:41,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:41,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-12-02 15:29:41,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-12-02 15:29:41,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-12-02 15:29:41,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2024-12-02 15:29:41,906 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:41,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 46 treesize of output 42 [2024-12-02 15:29:42,214 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:42,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-12-02 15:29:42,403 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:42,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-12-02 15:29:42,583 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:42,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-12-02 15:29:42,761 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:42,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-12-02 15:29:43,047 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:43,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2024-12-02 15:29:43,390 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:43,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 66 [2024-12-02 15:29:43,697 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:43,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 76 [2024-12-02 15:29:44,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:44,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 79 [2024-12-02 15:29:44,370 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:44,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 75 treesize of output 89 [2024-12-02 15:29:44,924 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:44,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 101 treesize of output 106 [2024-12-02 15:29:45,139 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:45,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 105 treesize of output 104 [2024-12-02 15:29:45,205 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:45,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 113 treesize of output 49 [2024-12-02 15:29:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 1006 proven. 69 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-12-02 15:29:45,249 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:29:45,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 15:29:45,472 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:45,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514804250] [2024-12-02 15:29:45,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514804250] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:29:45,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:29:45,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 18 [2024-12-02 15:29:45,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815774588] [2024-12-02 15:29:45,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:45,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:45,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:45,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:45,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:29:45,474 INFO L87 Difference]: Start difference. First operand 155 states and 224 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 15:29:47,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:47,522 INFO L93 Difference]: Finished difference Result 386 states and 563 transitions. [2024-12-02 15:29:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:47,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-12-02 15:29:47,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:47,524 INFO L225 Difference]: With dead ends: 386 [2024-12-02 15:29:47,524 INFO L226 Difference]: Without dead ends: 234 [2024-12-02 15:29:47,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 361 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:29:47,526 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 212 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:47,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 381 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 15:29:47,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-12-02 15:29:47,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 159. [2024-12-02 15:29:47,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 132 states have (on average 1.356060606060606) internal successors, (179), 132 states have internal predecessors, (179), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 15:29:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 229 transitions. [2024-12-02 15:29:47,534 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 229 transitions. Word has length 190 [2024-12-02 15:29:47,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:47,535 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 229 transitions. [2024-12-02 15:29:47,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 15:29:47,535 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 229 transitions. [2024-12-02 15:29:47,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 15:29:47,536 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:47,536 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:47,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:47,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:47,737 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:47,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:47,737 INFO L85 PathProgramCache]: Analyzing trace with hash -2018140864, now seen corresponding path program 1 times [2024-12-02 15:29:47,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:47,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [530639020] [2024-12-02 15:29:47,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:47,738 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 15:29:47,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:47,739 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:47,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:48,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-02 15:29:48,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:48,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-12-02 15:29:48,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2024-12-02 15:29:48,614 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:48,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 51 treesize of output 32 [2024-12-02 15:29:48,730 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:48,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 51 treesize of output 32 [2024-12-02 15:29:48,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:48,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 51 treesize of output 32 [2024-12-02 15:29:48,965 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:48,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 46 treesize of output 42 [2024-12-02 15:29:49,138 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:49,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 55 [2024-12-02 15:29:49,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:49,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 58 [2024-12-02 15:29:49,676 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:49,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 68 [2024-12-02 15:29:49,976 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:49,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 81 treesize of output 71 [2024-12-02 15:29:50,292 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:50,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 76 treesize of output 81 [2024-12-02 15:29:50,658 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:50,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 88 [2024-12-02 15:29:50,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:50,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 101 treesize of output 97 [2024-12-02 15:29:51,085 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:51,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 92 treesize of output 103 [2024-12-02 15:29:51,326 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:51,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 117 treesize of output 125 [2024-12-02 15:29:51,578 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:51,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 147 treesize of output 75 [2024-12-02 15:29:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 992 proven. 51 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-12-02 15:29:51,654 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:29:51,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 15:29:51,955 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:51,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [530639020] [2024-12-02 15:29:51,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [530639020] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:29:51,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:29:51,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 23 [2024-12-02 15:29:51,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765658313] [2024-12-02 15:29:51,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:51,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:29:51,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:51,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:29:51,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:29:51,956 INFO L87 Difference]: Start difference. First operand 159 states and 229 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 15:29:54,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:54,509 INFO L93 Difference]: Finished difference Result 426 states and 614 transitions. [2024-12-02 15:29:54,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:29:54,510 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-12-02 15:29:54,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:54,511 INFO L225 Difference]: With dead ends: 426 [2024-12-02 15:29:54,511 INFO L226 Difference]: Without dead ends: 270 [2024-12-02 15:29:54,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 354 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2024-12-02 15:29:54,512 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 145 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:54,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 718 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-12-02 15:29:54,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-12-02 15:29:54,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 249. [2024-12-02 15:29:54,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 215 states have (on average 1.3953488372093024) internal successors, (300), 216 states have internal predecessors, (300), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-12-02 15:29:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 362 transitions. [2024-12-02 15:29:54,526 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 362 transitions. Word has length 190 [2024-12-02 15:29:54,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:54,526 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 362 transitions. [2024-12-02 15:29:54,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 15:29:54,526 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 362 transitions. [2024-12-02 15:29:54,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-12-02 15:29:54,528 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:54,528 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:54,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:54,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:54,728 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:54,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:54,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1565710885, now seen corresponding path program 1 times [2024-12-02 15:29:54,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:54,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375964805] [2024-12-02 15:29:54,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:54,729 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 15:29:54,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:54,731 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 15:29:54,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320d34e2-c092-4f9a-8ac5-33fbcadc0c01/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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