./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-4.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_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 fb80e4f0533bc0d87718a3c946d158e7005d734d62d8e11c16c799aba4b0f82b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:18:51,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:18:51,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:18:51,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:18:52,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:18:52,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:18:52,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:18:52,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:18:52,020 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:18:52,020 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:18:52,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:18:52,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:18:52,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:18:52,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:18:52,021 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:18:52,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:18:52,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:18:52,021 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:18:52,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:18:52,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:18:52,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:18:52,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:18:52,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:18:52,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:18:52,022 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:18:52,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:18:52,022 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:18:52,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:18:52,022 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:18:52,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:18:52,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:18:52,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:18:52,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:18:52,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:18:52,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:18:52,023 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:18:52,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:18:52,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:18:52,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:18:52,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:18:52,023 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:18:52,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:18:52,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:18:52,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:18:52,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:18:52,024 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:18:52,024 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:18:52,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:18:52,024 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_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 -> fb80e4f0533bc0d87718a3c946d158e7005d734d62d8e11c16c799aba4b0f82b [2024-12-02 14:18:52,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:18:52,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:18:52,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:18:52,278 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:18:52,279 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:18:52,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-4.i [2024-12-02 14:18:54,933 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/data/49fa15f2f/3b4e70aa0f03401298a26a709594a05f/FLAG8f029f699 [2024-12-02 14:18:55,112 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:18:55,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-4.i [2024-12-02 14:18:55,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/data/49fa15f2f/3b4e70aa0f03401298a26a709594a05f/FLAG8f029f699 [2024-12-02 14:18:55,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/data/49fa15f2f/3b4e70aa0f03401298a26a709594a05f [2024-12-02 14:18:55,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:18:55,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:18:55,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:18:55,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:18:55,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:18:55,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605144b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55, skipping insertion in model container [2024-12-02 14:18:55,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:18:55,632 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_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-4.i[914,927] [2024-12-02 14:18:55,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:18:55,696 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:18:55,706 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_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-4.i[914,927] [2024-12-02 14:18:55,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:18:55,747 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:18:55,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55 WrapperNode [2024-12-02 14:18:55,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:18:55,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:18:55,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:18:55,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:18:55,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,791 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-12-02 14:18:55,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:18:55,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:18:55,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:18:55,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:18:55,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,805 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,819 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 14:18:55,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,826 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:18:55,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:18:55,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:18:55,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:18:55,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55" (1/1) ... [2024-12-02 14:18:55,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:18:55,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:18:55,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:18:55,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:18:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:18:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:18:55,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:18:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:18:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:18:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:18:55,979 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:18:55,981 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:18:56,279 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-02 14:18:56,279 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:18:56,289 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:18:56,289 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:18:56,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:18:56 BoogieIcfgContainer [2024-12-02 14:18:56,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:18:56,292 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:18:56,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:18:56,297 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:18:56,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:18:55" (1/3) ... [2024-12-02 14:18:56,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cba5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:18:56, skipping insertion in model container [2024-12-02 14:18:56,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:55" (2/3) ... [2024-12-02 14:18:56,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cba5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:18:56, skipping insertion in model container [2024-12-02 14:18:56,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:18:56" (3/3) ... [2024-12-02 14:18:56,300 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-4.i [2024-12-02 14:18:56,316 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:18:56,317 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-4.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:18:56,374 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:18:56,386 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;@261420dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:18:56,387 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:18:56,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:18:56,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 14:18:56,401 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:56,402 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:18:56,402 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:56,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:56,406 INFO L85 PathProgramCache]: Analyzing trace with hash -246695732, now seen corresponding path program 1 times [2024-12-02 14:18:56,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:56,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893796523] [2024-12-02 14:18:56,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:56,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:56,656 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 14:18:56,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:56,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893796523] [2024-12-02 14:18:56,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893796523] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:18:56,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67556978] [2024-12-02 14:18:56,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:56,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:18:56,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:18:56,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:18:56,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:18:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:56,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:18:56,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 14:18:56,844 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:18:56,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67556978] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:56,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:18:56,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:18:56,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379217848] [2024-12-02 14:18:56,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:56,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:18:56,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:56,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:18:56,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:18:56,871 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:18:56,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:56,890 INFO L93 Difference]: Finished difference Result 121 states and 208 transitions. [2024-12-02 14:18:56,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:18:56,891 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2024-12-02 14:18:56,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:56,897 INFO L225 Difference]: With dead ends: 121 [2024-12-02 14:18:56,897 INFO L226 Difference]: Without dead ends: 60 [2024-12-02 14:18:56,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 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 14:18:56,903 INFO L435 NwaCegarLoop]: 89 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, 89 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 14:18:56,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:56,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-12-02 14:18:56,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-12-02 14:18:56,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:18:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2024-12-02 14:18:56,945 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 129 [2024-12-02 14:18:56,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:56,946 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2024-12-02 14:18:56,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:18:56,947 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2024-12-02 14:18:56,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:18:56,949 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:56,950 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:18:56,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:18:57,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:18:57,151 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:57,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:57,151 INFO L85 PathProgramCache]: Analyzing trace with hash -157864659, now seen corresponding path program 1 times [2024-12-02 14:18:57,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:57,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979126626] [2024-12-02 14:18:57,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:57,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:57,744 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:18:57,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:57,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979126626] [2024-12-02 14:18:57,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979126626] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:57,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:57,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:18:57,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349032782] [2024-12-02 14:18:57,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:57,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:18:57,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:57,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:18:57,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:18:57,748 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:18:57,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:57,839 INFO L93 Difference]: Finished difference Result 174 states and 261 transitions. [2024-12-02 14:18:57,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:18:57,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2024-12-02 14:18:57,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:57,843 INFO L225 Difference]: With dead ends: 174 [2024-12-02 14:18:57,843 INFO L226 Difference]: Without dead ends: 117 [2024-12-02 14:18:57,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:18:57,845 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 47 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:57,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 171 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:18:57,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-12-02 14:18:57,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2024-12-02 14:18:57,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 72 states have internal predecessors, (93), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:18:57,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 173 transitions. [2024-12-02 14:18:57,883 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 173 transitions. Word has length 130 [2024-12-02 14:18:57,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:57,883 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 173 transitions. [2024-12-02 14:18:57,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:18:57,884 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 173 transitions. [2024-12-02 14:18:57,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:18:57,886 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:57,886 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:18:57,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:18:57,886 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:57,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:57,887 INFO L85 PathProgramCache]: Analyzing trace with hash -416030097, now seen corresponding path program 1 times [2024-12-02 14:18:57,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:57,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415622235] [2024-12-02 14:18:57,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:57,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:18:58,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:58,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415622235] [2024-12-02 14:18:58,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415622235] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:58,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:58,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:18:58,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210378567] [2024-12-02 14:18:58,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:58,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:18:58,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:58,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:18:58,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:18:58,736 INFO L87 Difference]: Start difference. First operand 115 states and 173 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:18:58,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:58,855 INFO L93 Difference]: Finished difference Result 202 states and 296 transitions. [2024-12-02 14:18:58,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:18:58,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2024-12-02 14:18:58,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:58,858 INFO L225 Difference]: With dead ends: 202 [2024-12-02 14:18:58,858 INFO L226 Difference]: Without dead ends: 145 [2024-12-02 14:18:58,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:18:58,859 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 50 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:58,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 163 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:18:58,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-12-02 14:18:58,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 125. [2024-12-02 14:18:58,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 82 states have (on average 1.3170731707317074) internal successors, (108), 82 states have internal predecessors, (108), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:18:58,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 188 transitions. [2024-12-02 14:18:58,885 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 188 transitions. Word has length 130 [2024-12-02 14:18:58,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:58,885 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 188 transitions. [2024-12-02 14:18:58,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:18:58,886 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 188 transitions. [2024-12-02 14:18:58,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:18:58,888 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:58,888 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:18:58,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:18:58,888 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:58,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:58,889 INFO L85 PathProgramCache]: Analyzing trace with hash -414183055, now seen corresponding path program 1 times [2024-12-02 14:18:58,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:58,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547797474] [2024-12-02 14:18:58,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:58,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:04,233 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:19:04,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:19:04,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547797474] [2024-12-02 14:19:04,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547797474] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:19:04,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:19:04,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 14:19:04,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130699699] [2024-12-02 14:19:04,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:04,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 14:19:04,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:19:04,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:19:04,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:19:04,235 INFO L87 Difference]: Start difference. First operand 125 states and 188 transitions. Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:19:05,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:05,762 INFO L93 Difference]: Finished difference Result 412 states and 604 transitions. [2024-12-02 14:19:05,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 14:19:05,765 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2024-12-02 14:19:05,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:05,768 INFO L225 Difference]: With dead ends: 412 [2024-12-02 14:19:05,768 INFO L226 Difference]: Without dead ends: 290 [2024-12-02 14:19:05,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:19:05,770 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 170 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:05,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 465 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 14:19:05,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-12-02 14:19:05,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 252. [2024-12-02 14:19:05,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 182 states have (on average 1.3186813186813187) internal successors, (240), 184 states have internal predecessors, (240), 64 states have call successors, (64), 5 states have call predecessors, (64), 5 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 14:19:05,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 368 transitions. [2024-12-02 14:19:05,807 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 368 transitions. Word has length 130 [2024-12-02 14:19:05,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:05,808 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 368 transitions. [2024-12-02 14:19:05,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:19:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 368 transitions. [2024-12-02 14:19:05,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 14:19:05,810 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:05,811 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:05,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:19:05,811 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:05,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:05,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1321620594, now seen corresponding path program 1 times [2024-12-02 14:19:05,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:19:05,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403564215] [2024-12-02 14:19:05,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:05,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:19:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:06,026 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:19:06,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:19:06,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403564215] [2024-12-02 14:19:06,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403564215] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:19:06,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:19:06,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:19:06,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583078187] [2024-12-02 14:19:06,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:06,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:19:06,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:19:06,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:19:06,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:19:06,028 INFO L87 Difference]: Start difference. First operand 252 states and 368 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:19:06,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:06,218 INFO L93 Difference]: Finished difference Result 376 states and 555 transitions. [2024-12-02 14:19:06,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:19:06,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-12-02 14:19:06,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:06,223 INFO L225 Difference]: With dead ends: 376 [2024-12-02 14:19:06,223 INFO L226 Difference]: Without dead ends: 309 [2024-12-02 14:19:06,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:19:06,224 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 73 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:06,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 246 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:19:06,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-12-02 14:19:06,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2024-12-02 14:19:06,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 216 states have (on average 1.3148148148148149) internal successors, (284), 218 states have internal predecessors, (284), 84 states have call successors, (84), 6 states have call predecessors, (84), 6 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-12-02 14:19:06,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 452 transitions. [2024-12-02 14:19:06,259 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 452 transitions. Word has length 131 [2024-12-02 14:19:06,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:06,259 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 452 transitions. [2024-12-02 14:19:06,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:19:06,260 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 452 transitions. [2024-12-02 14:19:06,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 14:19:06,261 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:06,261 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:06,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:19:06,262 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:06,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:06,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1063455156, now seen corresponding path program 1 times [2024-12-02 14:19:06,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:19:06,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511184329] [2024-12-02 14:19:06,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:06,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:19:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 14:19:06,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:19:06,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511184329] [2024-12-02 14:19:06,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511184329] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:06,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256780770] [2024-12-02 14:19:06,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:06,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:19:06,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:19:06,464 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:19:06,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:19:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:06,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 14:19:06,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:06,783 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 217 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-12-02 14:19:06,784 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 14:19:06,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256780770] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:19:06,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:19:06,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-12-02 14:19:06,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762965991] [2024-12-02 14:19:06,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:19:06,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:19:06,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:19:06,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:19:06,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:19:06,991 INFO L87 Difference]: Start difference. First operand 307 states and 452 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 14:19:07,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:07,164 INFO L93 Difference]: Finished difference Result 459 states and 655 transitions. [2024-12-02 14:19:07,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:19:07,165 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 131 [2024-12-02 14:19:07,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:07,167 INFO L225 Difference]: With dead ends: 459 [2024-12-02 14:19:07,167 INFO L226 Difference]: Without dead ends: 155 [2024-12-02 14:19:07,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:19:07,168 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 33 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:07,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 130 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:19:07,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-12-02 14:19:07,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 143. [2024-12-02 14:19:07,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 96 states have (on average 1.1666666666666667) internal successors, (112), 96 states have internal predecessors, (112), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:19:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 192 transitions. [2024-12-02 14:19:07,184 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 192 transitions. Word has length 131 [2024-12-02 14:19:07,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:07,185 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 192 transitions. [2024-12-02 14:19:07,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 14:19:07,185 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 192 transitions. [2024-12-02 14:19:07,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 14:19:07,186 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:07,187 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:07,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:19:07,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:19:07,387 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:07,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:07,388 INFO L85 PathProgramCache]: Analyzing trace with hash 695481101, now seen corresponding path program 1 times [2024-12-02 14:19:07,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:19:07,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078889113] [2024-12-02 14:19:07,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:07,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:19:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:19:07,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:19:07,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078889113] [2024-12-02 14:19:07,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078889113] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:19:07,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:19:07,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:19:07,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338547824] [2024-12-02 14:19:07,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:07,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:19:07,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:19:07,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:19:07,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:19:07,677 INFO L87 Difference]: Start difference. First operand 143 states and 192 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:19:07,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:07,903 INFO L93 Difference]: Finished difference Result 295 states and 394 transitions. [2024-12-02 14:19:07,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:19:07,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-12-02 14:19:07,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:07,905 INFO L225 Difference]: With dead ends: 295 [2024-12-02 14:19:07,905 INFO L226 Difference]: Without dead ends: 155 [2024-12-02 14:19:07,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:19:07,906 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 45 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:07,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 257 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:19:07,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-12-02 14:19:07,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 130. [2024-12-02 14:19:07,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 83 states have (on average 1.1204819277108433) internal successors, (93), 83 states have internal predecessors, (93), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:19:07,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 173 transitions. [2024-12-02 14:19:07,929 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 173 transitions. Word has length 131 [2024-12-02 14:19:07,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:07,930 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 173 transitions. [2024-12-02 14:19:07,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:19:07,930 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 173 transitions. [2024-12-02 14:19:07,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 14:19:07,931 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:07,932 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:07,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:19:07,932 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:07,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:07,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1282287115, now seen corresponding path program 1 times [2024-12-02 14:19:07,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:19:07,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229716652] [2024-12-02 14:19:07,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:07,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:19:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 14:19:08,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:19:08,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229716652] [2024-12-02 14:19:08,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229716652] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:08,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596314800] [2024-12-02 14:19:08,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:08,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:19:08,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:19:08,219 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:19:08,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:19:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:08,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 14:19:08,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 93 proven. 54 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-12-02 14:19:08,655 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:08,875 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 14:19:08,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596314800] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:19:08,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:19:08,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2024-12-02 14:19:08,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870178665] [2024-12-02 14:19:08,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:19:08,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 14:19:08,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:19:08,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 14:19:08,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:19:08,877 INFO L87 Difference]: Start difference. First operand 130 states and 173 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 14:19:09,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:09,404 INFO L93 Difference]: Finished difference Result 290 states and 382 transitions. [2024-12-02 14:19:09,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 14:19:09,404 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 131 [2024-12-02 14:19:09,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:09,406 INFO L225 Difference]: With dead ends: 290 [2024-12-02 14:19:09,406 INFO L226 Difference]: Without dead ends: 211 [2024-12-02 14:19:09,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 255 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-12-02 14:19:09,407 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 105 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:09,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 438 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:19:09,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-12-02 14:19:09,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 185. [2024-12-02 14:19:09,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 115 states have (on average 1.1217391304347826) internal successors, (129), 115 states have internal predecessors, (129), 60 states have call successors, (60), 9 states have call predecessors, (60), 9 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-12-02 14:19:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 249 transitions. [2024-12-02 14:19:09,441 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 249 transitions. Word has length 131 [2024-12-02 14:19:09,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:09,442 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 249 transitions. [2024-12-02 14:19:09,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 14:19:09,442 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 249 transitions. [2024-12-02 14:19:09,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 14:19:09,443 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:09,443 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:09,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 14:19:09,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:19:09,644 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:09,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:09,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1284134157, now seen corresponding path program 1 times [2024-12-02 14:19:09,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:19:09,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756310221] [2024-12-02 14:19:09,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:09,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:19:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:19:09,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:19:09,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756310221] [2024-12-02 14:19:09,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756310221] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:19:09,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:19:09,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:19:09,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861726349] [2024-12-02 14:19:09,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:09,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:19:09,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:19:09,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:19:09,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:19:09,768 INFO L87 Difference]: Start difference. First operand 185 states and 249 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:19:09,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:09,821 INFO L93 Difference]: Finished difference Result 387 states and 522 transitions. [2024-12-02 14:19:09,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:19:09,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-12-02 14:19:09,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:09,824 INFO L225 Difference]: With dead ends: 387 [2024-12-02 14:19:09,824 INFO L226 Difference]: Without dead ends: 249 [2024-12-02 14:19:09,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:19:09,825 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 74 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:09,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 166 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:19:09,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-12-02 14:19:09,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 247. [2024-12-02 14:19:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 154 states have (on average 1.12987012987013) internal successors, (174), 154 states have internal predecessors, (174), 80 states have call successors, (80), 12 states have call predecessors, (80), 12 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-12-02 14:19:09,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 334 transitions. [2024-12-02 14:19:09,859 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 334 transitions. Word has length 131 [2024-12-02 14:19:09,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:09,859 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 334 transitions. [2024-12-02 14:19:09,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:19:09,860 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 334 transitions. [2024-12-02 14:19:09,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 14:19:09,861 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:09,861 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:09,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:19:09,861 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:09,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:09,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1191285994, now seen corresponding path program 1 times [2024-12-02 14:19:09,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:19:09,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84064708] [2024-12-02 14:19:09,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:09,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:19:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:19:09,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:19:09,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84064708] [2024-12-02 14:19:09,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84064708] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:19:09,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:19:09,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:19:09,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108194684] [2024-12-02 14:19:09,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:09,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:19:09,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:19:09,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:19:09,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:19:09,993 INFO L87 Difference]: Start difference. First operand 247 states and 334 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:19:10,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:10,168 INFO L93 Difference]: Finished difference Result 563 states and 762 transitions. [2024-12-02 14:19:10,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:19:10,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-12-02 14:19:10,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:10,172 INFO L225 Difference]: With dead ends: 563 [2024-12-02 14:19:10,172 INFO L226 Difference]: Without dead ends: 367 [2024-12-02 14:19:10,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:19:10,174 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 84 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:10,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 297 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:19:10,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-12-02 14:19:10,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 363. [2024-12-02 14:19:10,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 224 states have (on average 1.1160714285714286) internal successors, (250), 224 states have internal predecessors, (250), 120 states have call successors, (120), 18 states have call predecessors, (120), 18 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-12-02 14:19:10,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 490 transitions. [2024-12-02 14:19:10,229 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 490 transitions. Word has length 131 [2024-12-02 14:19:10,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:10,230 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 490 transitions. [2024-12-02 14:19:10,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:19:10,230 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 490 transitions. [2024-12-02 14:19:10,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 14:19:10,231 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:10,231 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:10,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 14:19:10,231 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:10,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:10,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1871344364, now seen corresponding path program 1 times [2024-12-02 14:19:10,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:19:10,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940564686] [2024-12-02 14:19:10,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:10,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:19:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 24 proven. 33 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 14:19:10,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:19:10,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940564686] [2024-12-02 14:19:10,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940564686] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:10,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572214166] [2024-12-02 14:19:10,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:10,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:19:10,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:19:10,786 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:19:10,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 14:19:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:11,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 14:19:11,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 400 proven. 60 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-12-02 14:19:12,150 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 48 proven. 63 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-12-02 14:19:12,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572214166] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:19:12,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:19:12,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 11] total 26 [2024-12-02 14:19:12,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125046729] [2024-12-02 14:19:12,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:19:12,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 14:19:12,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:19:12,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 14:19:12,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2024-12-02 14:19:12,895 INFO L87 Difference]: Start difference. First operand 363 states and 490 transitions. Second operand has 26 states, 25 states have (on average 3.8) internal successors, (95), 24 states have internal predecessors, (95), 8 states have call successors, (60), 4 states have call predecessors, (60), 8 states have return successors, (60), 8 states have call predecessors, (60), 8 states have call successors, (60) [2024-12-02 14:19:14,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:14,233 INFO L93 Difference]: Finished difference Result 494 states and 646 transitions. [2024-12-02 14:19:14,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-02 14:19:14,233 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.8) internal successors, (95), 24 states have internal predecessors, (95), 8 states have call successors, (60), 4 states have call predecessors, (60), 8 states have return successors, (60), 8 states have call predecessors, (60), 8 states have call successors, (60) Word has length 131 [2024-12-02 14:19:14,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:14,235 INFO L225 Difference]: With dead ends: 494 [2024-12-02 14:19:14,235 INFO L226 Difference]: Without dead ends: 182 [2024-12-02 14:19:14,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=715, Invalid=1835, Unknown=0, NotChecked=0, Total=2550 [2024-12-02 14:19:14,237 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 571 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:14,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 300 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:19:14,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-12-02 14:19:14,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 130. [2024-12-02 14:19:14,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 79 states have (on average 1.0379746835443038) internal successors, (82), 79 states have internal predecessors, (82), 40 states have call successors, (40), 10 states have call predecessors, (40), 10 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:19:14,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 162 transitions. [2024-12-02 14:19:14,268 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 162 transitions. Word has length 131 [2024-12-02 14:19:14,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:14,268 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 162 transitions. [2024-12-02 14:19:14,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.8) internal successors, (95), 24 states have internal predecessors, (95), 8 states have call successors, (60), 4 states have call predecessors, (60), 8 states have return successors, (60), 8 states have call predecessors, (60), 8 states have call successors, (60) [2024-12-02 14:19:14,268 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 162 transitions. [2024-12-02 14:19:14,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 14:19:14,269 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:14,269 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:14,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 14:19:14,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 14:19:14,469 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:14,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:14,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1995455282, now seen corresponding path program 1 times [2024-12-02 14:19:14,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:19:14,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795410338] [2024-12-02 14:19:14,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:14,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:19:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:19:14,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1186238412] [2024-12-02 14:19:14,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:14,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:19:14,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:19:14,541 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:19:14,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 14:19:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:19:14,908 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:19:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:19:14,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:19:14,990 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:19:14,991 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:19:15,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 14:19:15,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-02 14:19:15,195 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:15,259 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:19:15,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:19:15 BoogieIcfgContainer [2024-12-02 14:19:15,262 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:19:15,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:19:15,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:19:15,263 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:19:15,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:18:56" (3/4) ... [2024-12-02 14:19:15,266 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:19:15,267 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:19:15,267 INFO L158 Benchmark]: Toolchain (without parser) took 19778.70ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 92.6MB in the beginning and 137.3MB in the end (delta: -44.7MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2024-12-02 14:19:15,268 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:19:15,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.25ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 78.5MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:19:15,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.48ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 75.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:19:15,268 INFO L158 Benchmark]: Boogie Preprocessor took 44.39ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 72.4MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:19:15,269 INFO L158 Benchmark]: RCFGBuilder took 452.93ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 52.7MB in the end (delta: 19.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 14:19:15,269 INFO L158 Benchmark]: TraceAbstraction took 18970.37ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 52.1MB in the beginning and 137.3MB in the end (delta: -85.3MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-12-02 14:19:15,269 INFO L158 Benchmark]: Witness Printer took 3.72ms. Allocated memory is still 234.9MB. Free memory was 137.3MB in the beginning and 137.3MB in the end (delta: 45.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:19:15,271 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.25ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 78.5MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.48ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 75.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.39ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 72.4MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 452.93ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 52.7MB in the end (delta: 19.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18970.37ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 52.1MB in the beginning and 137.3MB in the end (delta: -85.3MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Witness Printer took 3.72ms. Allocated memory is still 234.9MB. Free memory was 137.3MB in the beginning and 137.3MB in the end (delta: 45.2kB). 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 someBinaryArithmeticDOUBLEoperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 131, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned short int var_1_6 = 4; [L26] unsigned short int var_1_9 = 4; [L27] unsigned short int var_1_10 = 10; [L28] double var_1_11 = 15.6; [L29] double var_1_12 = 256.4; [L30] double var_1_13 = 49.15; [L31] unsigned long int var_1_14 = 500; [L32] unsigned long int var_1_15 = 2173307753; [L33] unsigned long int var_1_16 = 3362224480; [L34] signed short int var_1_17 = 16; [L35] signed short int var_1_19 = 16; [L36] signed short int var_1_20 = 4; [L37] signed short int var_1_21 = 0; [L38] signed short int var_1_22 = -25; [L39] unsigned short int last_1_var_1_6 = 4; [L40] unsigned short int last_1_var_1_9 = 4; [L41] unsigned long int last_1_var_1_14 = 500; [L42] signed short int last_1_var_1_17 = 16; VAL [isInitial=0, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L135] isInitial = 1 [L136] FCALL initially() [L138] CALL updateLastVariables() [L125] last_1_var_1_6 = var_1_6 [L126] last_1_var_1_9 = var_1_9 [L127] last_1_var_1_14 = var_1_14 [L128] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L138] RET updateLastVariables() [L139] CALL updateVariables() [L92] var_1_4 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_5=0, var_1_6=4, var_1_9=4] [L93] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_5=0, var_1_6=4, var_1_9=4] [L94] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L94] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L95] var_1_5 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_6=4, var_1_9=4] [L96] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_6=4, var_1_9=4] [L97] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L97] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L98] var_1_10 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L99] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L100] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L101] var_1_12 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L102] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L103] var_1_13 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L104] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L105] var_1_15 = __VERIFIER_nondet_ulong() [L106] CALL assume_abort_if_not(var_1_15 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L106] RET assume_abort_if_not(var_1_15 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L107] CALL assume_abort_if_not(var_1_15 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L107] RET assume_abort_if_not(var_1_15 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L108] var_1_16 = __VERIFIER_nondet_ulong() [L109] CALL assume_abort_if_not(var_1_16 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L109] RET assume_abort_if_not(var_1_16 >= 3221225470) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L110] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L110] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L111] var_1_19 = __VERIFIER_nondet_short() [L112] CALL assume_abort_if_not(var_1_19 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L112] RET assume_abort_if_not(var_1_19 >= -16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L113] CALL assume_abort_if_not(var_1_19 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L113] RET assume_abort_if_not(var_1_19 <= 16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L114] var_1_20 = __VERIFIER_nondet_short() [L115] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L115] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L116] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L116] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L117] var_1_21 = __VERIFIER_nondet_short() [L118] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L118] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L119] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L119] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L120] var_1_22 = __VERIFIER_nondet_short() [L121] CALL assume_abort_if_not(var_1_22 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L121] RET assume_abort_if_not(var_1_22 >= -16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L122] CALL assume_abort_if_not(var_1_22 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L122] RET assume_abort_if_not(var_1_22 <= 16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L139] RET updateVariables() [L140] CALL step() [L46] signed long int stepLocal_0 = last_1_var_1_9; VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L47] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L52] signed long int stepLocal_3 = last_1_var_1_9; VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_3=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L53] COND TRUE last_1_var_1_14 >= stepLocal_3 [L54] var_1_14 = (((((var_1_15) > ((var_1_16 - var_1_10))) ? (var_1_15) : ((var_1_16 - var_1_10)))) - last_1_var_1_17) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L56] COND TRUE var_1_6 <= var_1_14 VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L57] COND TRUE (- var_1_14) > var_1_6 [L58] var_1_1 = 0 VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L63] unsigned char stepLocal_2 = var_1_4; [L64] unsigned long int stepLocal_1 = var_1_14; VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_1=3221225454, stepLocal_2=0, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L65] COND FALSE !(stepLocal_2 || var_1_1) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_1=3221225454, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L68] COND TRUE stepLocal_1 >= var_1_6 [L69] var_1_9 = var_1_10 VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L74] unsigned char stepLocal_5 = var_1_1; [L75] unsigned char stepLocal_4 = var_1_1; VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_4=0, stepLocal_5=0, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L76] COND FALSE !(stepLocal_4 && (var_1_5 && (var_1_12 < var_1_13))) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_5=0, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L83] COND TRUE var_1_14 <= var_1_14 VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_5=0, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L84] COND TRUE ! var_1_1 [L85] var_1_11 = (var_1_12 - var_1_13) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_5=0, var_1_10=0, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L140] RET step() [L141] CALL, EXPR property() [L131-L132] return ((((((var_1_6 <= var_1_14) ? (((- var_1_14) > var_1_6) ? (var_1_1 == ((unsigned char) 0)) : 1) : (var_1_1 == ((unsigned char) (var_1_4 || var_1_5)))) && (var_1_5 ? (((last_1_var_1_14 * (last_1_var_1_6 + last_1_var_1_17)) > last_1_var_1_9) ? (var_1_6 == ((unsigned short int) 256)) : 1) : 1)) && ((var_1_4 || var_1_1) ? (var_1_9 == ((unsigned short int) ((((32) < (var_1_10)) ? (32) : (var_1_10))))) : ((var_1_14 >= var_1_6) ? (var_1_9 == ((unsigned short int) var_1_10)) : (var_1_9 == ((unsigned short int) var_1_10))))) && ((var_1_14 <= var_1_14) ? ((! var_1_1) ? (var_1_11 == ((double) (var_1_12 - var_1_13))) : 1) : (var_1_11 == ((double) var_1_12)))) && ((last_1_var_1_14 >= last_1_var_1_9) ? (var_1_14 == ((unsigned long int) (((((var_1_15) > ((var_1_16 - var_1_10))) ? (var_1_15) : ((var_1_16 - var_1_10)))) - last_1_var_1_17))) : 1)) && ((var_1_1 && (var_1_5 && (var_1_12 < var_1_13))) ? ((var_1_1 || (last_1_var_1_17 >= ((((var_1_14) > (var_1_6)) ? (var_1_14) : (var_1_6))))) ? (var_1_17 == ((signed short int) (((((((((var_1_19) > (256)) ? (var_1_19) : (256))) + (var_1_20 - var_1_21))) < ((var_1_22 + 64))) ? ((((((var_1_19) > (256)) ? (var_1_19) : (256))) + (var_1_20 - var_1_21))) : ((var_1_22 + 64)))))) : (var_1_17 == ((signed short int) var_1_19))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.8s, OverallIterations: 12, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1273 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1252 mSDsluCounter, 2722 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1725 mSDsCounter, 642 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1843 IncrementalHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 642 mSolverCounterUnsat, 997 mSDtfsCounter, 1843 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1032 GetRequests, 920 SyntacticMatches, 4 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=363occurred in iteration=10, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 183 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 2222 NumberOfCodeBlocks, 2222 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2333 ConstructedInterpolants, 0 QuantifiedInterpolants, 9754 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1246 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 13180/13680 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 14:19:15,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 fb80e4f0533bc0d87718a3c946d158e7005d734d62d8e11c16c799aba4b0f82b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:19:17,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:19:17,291 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 14:19:17,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:19:17,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:19:17,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:19:17,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:19:17,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:19:17,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:19:17,319 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:19:17,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:19:17,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:19:17,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:19:17,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:19:17,320 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:19:17,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:19:17,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:19:17,320 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:19:17,320 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:19:17,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:19:17,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:19:17,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:19:17,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:19:17,321 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:19:17,321 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:19:17,321 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:19:17,321 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:19:17,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:19:17,321 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:19:17,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:19:17,321 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:19:17,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:19:17,321 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:19:17,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:19:17,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:19:17,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:19:17,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:19:17,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:19:17,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:19:17,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:19:17,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:19:17,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:19:17,322 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:19:17,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:19:17,322 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:19:17,323 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:19:17,323 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:19:17,323 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:19:17,323 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:19:17,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:19:17,323 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_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 -> fb80e4f0533bc0d87718a3c946d158e7005d734d62d8e11c16c799aba4b0f82b [2024-12-02 14:19:17,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:19:17,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:19:17,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:19:17,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:19:17,551 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:19:17,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-4.i [2024-12-02 14:19:20,221 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/data/63d34e6c8/04fa835b6bb54a178bbe7c08ccb2c098/FLAG8544315a2 [2024-12-02 14:19:20,394 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:19:20,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-4.i [2024-12-02 14:19:20,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/data/63d34e6c8/04fa835b6bb54a178bbe7c08ccb2c098/FLAG8544315a2 [2024-12-02 14:19:20,766 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/data/63d34e6c8/04fa835b6bb54a178bbe7c08ccb2c098 [2024-12-02 14:19:20,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:19:20,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:19:20,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:19:20,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:19:20,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:19:20,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:19:20" (1/1) ... [2024-12-02 14:19:20,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2825899e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:20, skipping insertion in model container [2024-12-02 14:19:20,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:19:20" (1/1) ... [2024-12-02 14:19:20,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:19:20,915 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_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-4.i[914,927] [2024-12-02 14:19:20,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:19:20,971 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:19:20,979 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_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-4.i[914,927] [2024-12-02 14:19:21,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:19:21,019 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:19:21,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21 WrapperNode [2024-12-02 14:19:21,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:19:21,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:19:21,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:19:21,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:19:21,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21" (1/1) ... [2024-12-02 14:19:21,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21" (1/1) ... [2024-12-02 14:19:21,052 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-12-02 14:19:21,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:19:21,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:19:21,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:19:21,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:19:21,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21" (1/1) ... [2024-12-02 14:19:21,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21" (1/1) ... [2024-12-02 14:19:21,063 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21" (1/1) ... [2024-12-02 14:19:21,072 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 14:19:21,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21" (1/1) ... [2024-12-02 14:19:21,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21" (1/1) ... [2024-12-02 14:19:21,082 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21" (1/1) ... [2024-12-02 14:19:21,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21" (1/1) ... [2024-12-02 14:19:21,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21" (1/1) ... [2024-12-02 14:19:21,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21" (1/1) ... [2024-12-02 14:19:21,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21" (1/1) ... [2024-12-02 14:19:21,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:19:21,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:19:21,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:19:21,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:19:21,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21" (1/1) ... [2024-12-02 14:19:21,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:19:21,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:19:21,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:19:21,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:19:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:19:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 14:19:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:19:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:19:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:19:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:19:21,215 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:19:21,216 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:19:22,110 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-02 14:19:22,111 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:19:22,120 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:19:22,120 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:19:22,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:19:22 BoogieIcfgContainer [2024-12-02 14:19:22,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:19:22,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:19:22,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:19:22,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:19:22,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:19:20" (1/3) ... [2024-12-02 14:19:22,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7033cbae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:19:22, skipping insertion in model container [2024-12-02 14:19:22,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:19:21" (2/3) ... [2024-12-02 14:19:22,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7033cbae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:19:22, skipping insertion in model container [2024-12-02 14:19:22,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:19:22" (3/3) ... [2024-12-02 14:19:22,129 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-4.i [2024-12-02 14:19:22,142 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:19:22,143 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-4.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:19:22,183 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:19:22,194 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;@73be01af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:19:22,194 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:19:22,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:19:22,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 14:19:22,208 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:22,209 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:22,209 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:22,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:22,214 INFO L85 PathProgramCache]: Analyzing trace with hash -246695732, now seen corresponding path program 1 times [2024-12-02 14:19:22,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:22,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172267791] [2024-12-02 14:19:22,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:22,226 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 14:19:22,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:22,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:22,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:22,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:19:22,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:22,497 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 14:19:22,498 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:19:22,498 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:22,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172267791] [2024-12-02 14:19:22,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172267791] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:19:22,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:19:22,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:19:22,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177052851] [2024-12-02 14:19:22,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:22,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:19:22,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:22,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:19:22,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:19:22,520 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:19:22,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:22,542 INFO L93 Difference]: Finished difference Result 121 states and 208 transitions. [2024-12-02 14:19:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:19:22,543 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2024-12-02 14:19:22,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:22,548 INFO L225 Difference]: With dead ends: 121 [2024-12-02 14:19:22,548 INFO L226 Difference]: Without dead ends: 60 [2024-12-02 14:19:22,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 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 14:19:22,553 INFO L435 NwaCegarLoop]: 89 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, 89 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 14:19:22,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:19:22,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-12-02 14:19:22,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-12-02 14:19:22,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:19:22,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2024-12-02 14:19:22,591 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 129 [2024-12-02 14:19:22,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:22,592 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2024-12-02 14:19:22,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:19:22,592 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2024-12-02 14:19:22,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:19:22,594 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:22,595 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:22,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:22,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:22,795 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:22,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:22,796 INFO L85 PathProgramCache]: Analyzing trace with hash -157864659, now seen corresponding path program 1 times [2024-12-02 14:19:22,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:22,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919781371] [2024-12-02 14:19:22,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:22,797 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 14:19:22,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:22,799 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:22,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:23,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 14:19:23,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:24,119 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:19:24,120 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:19:24,120 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:24,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919781371] [2024-12-02 14:19:24,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919781371] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:19:24,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:19:24,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:19:24,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729343446] [2024-12-02 14:19:24,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:24,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:19:24,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:24,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:19:24,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:19:24,123 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:19:25,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:25,055 INFO L93 Difference]: Finished difference Result 175 states and 262 transitions. [2024-12-02 14:19:25,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:19:25,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2024-12-02 14:19:25,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:25,065 INFO L225 Difference]: With dead ends: 175 [2024-12-02 14:19:25,065 INFO L226 Difference]: Without dead ends: 118 [2024-12-02 14:19:25,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:19:25,067 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 51 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:25,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 272 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 14:19:25,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-12-02 14:19:25,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 101. [2024-12-02 14:19:25,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:19:25,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 151 transitions. [2024-12-02 14:19:25,098 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 151 transitions. Word has length 130 [2024-12-02 14:19:25,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:25,099 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 151 transitions. [2024-12-02 14:19:25,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:19:25,099 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 151 transitions. [2024-12-02 14:19:25,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:19:25,101 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:25,101 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:25,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:25,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:25,302 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:25,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:25,303 INFO L85 PathProgramCache]: Analyzing trace with hash -416030097, now seen corresponding path program 1 times [2024-12-02 14:19:25,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:25,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401928439] [2024-12-02 14:19:25,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:25,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:25,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:25,306 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:25,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:25,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 14:19:25,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 179 proven. 99 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-12-02 14:19:26,490 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:27,196 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 102 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-12-02 14:19:27,196 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:27,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401928439] [2024-12-02 14:19:27,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401928439] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:19:27,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:19:27,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2024-12-02 14:19:27,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341706504] [2024-12-02 14:19:27,197 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:19:27,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 14:19:27,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:27,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 14:19:27,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:19:27,199 INFO L87 Difference]: Start difference. First operand 101 states and 151 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-12-02 14:19:28,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:28,428 INFO L93 Difference]: Finished difference Result 200 states and 276 transitions. [2024-12-02 14:19:28,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 14:19:28,429 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 130 [2024-12-02 14:19:28,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:28,431 INFO L225 Difference]: With dead ends: 200 [2024-12-02 14:19:28,431 INFO L226 Difference]: Without dead ends: 140 [2024-12-02 14:19:28,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 245 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2024-12-02 14:19:28,432 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 151 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:28,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 237 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 14:19:28,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-12-02 14:19:28,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 120. [2024-12-02 14:19:28,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 73 states have (on average 1.095890410958904) internal successors, (80), 73 states have internal predecessors, (80), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:19:28,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 160 transitions. [2024-12-02 14:19:28,460 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 160 transitions. Word has length 130 [2024-12-02 14:19:28,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:28,461 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 160 transitions. [2024-12-02 14:19:28,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-12-02 14:19:28,461 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 160 transitions. [2024-12-02 14:19:28,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 14:19:28,463 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:28,463 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:28,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:28,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:28,664 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:28,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:28,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1983351693, now seen corresponding path program 1 times [2024-12-02 14:19:28,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:28,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [851346319] [2024-12-02 14:19:28,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:28,665 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 14:19:28,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:28,667 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:28,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:28,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 14:19:28,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 93 proven. 54 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-12-02 14:19:29,240 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:29,616 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 14:19:29,616 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:29,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [851346319] [2024-12-02 14:19:29,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [851346319] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:19:29,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:19:29,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2024-12-02 14:19:29,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307531981] [2024-12-02 14:19:29,616 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:19:29,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:19:29,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:29,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:19:29,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:19:29,618 INFO L87 Difference]: Start difference. First operand 120 states and 160 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 14:19:30,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:30,798 INFO L93 Difference]: Finished difference Result 265 states and 349 transitions. [2024-12-02 14:19:30,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 14:19:30,798 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 131 [2024-12-02 14:19:30,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:30,800 INFO L225 Difference]: With dead ends: 265 [2024-12-02 14:19:30,800 INFO L226 Difference]: Without dead ends: 196 [2024-12-02 14:19:30,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 253 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-12-02 14:19:30,801 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 100 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:30,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 350 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 14:19:30,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-12-02 14:19:30,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 176. [2024-12-02 14:19:30,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 106 states have (on average 1.0943396226415094) internal successors, (116), 106 states have internal predecessors, (116), 60 states have call successors, (60), 9 states have call predecessors, (60), 9 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-12-02 14:19:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 236 transitions. [2024-12-02 14:19:30,817 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 236 transitions. Word has length 131 [2024-12-02 14:19:30,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:30,818 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 236 transitions. [2024-12-02 14:19:30,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 14:19:30,818 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 236 transitions. [2024-12-02 14:19:30,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 14:19:30,820 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:30,820 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:30,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-12-02 14:19:31,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:31,021 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:31,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:31,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1985198735, now seen corresponding path program 1 times [2024-12-02 14:19:31,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:31,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715443930] [2024-12-02 14:19:31,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:31,022 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 14:19:31,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:31,023 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:31,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:31,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 14:19:31,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 93 proven. 54 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-12-02 14:19:31,870 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 14:19:32,265 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:32,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715443930] [2024-12-02 14:19:32,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715443930] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:19:32,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:19:32,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 9 [2024-12-02 14:19:32,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682795856] [2024-12-02 14:19:32,266 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:19:32,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:19:32,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:32,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:19:32,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:19:32,267 INFO L87 Difference]: Start difference. First operand 176 states and 236 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 14:19:33,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:33,239 INFO L93 Difference]: Finished difference Result 268 states and 351 transitions. [2024-12-02 14:19:33,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 14:19:33,248 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 131 [2024-12-02 14:19:33,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:33,250 INFO L225 Difference]: With dead ends: 268 [2024-12-02 14:19:33,250 INFO L226 Difference]: Without dead ends: 143 [2024-12-02 14:19:33,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 252 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=134, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:19:33,252 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 65 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:33,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 193 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 14:19:33,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-12-02 14:19:33,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 114. [2024-12-02 14:19:33,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 67 states have (on average 1.0746268656716418) internal successors, (72), 67 states have internal predecessors, (72), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:19:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 152 transitions. [2024-12-02 14:19:33,268 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 152 transitions. Word has length 131 [2024-12-02 14:19:33,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:33,269 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 152 transitions. [2024-12-02 14:19:33,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 14:19:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 152 transitions. [2024-12-02 14:19:33,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 14:19:33,270 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:33,270 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:33,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:33,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:33,471 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:33,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:33,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1191285994, now seen corresponding path program 1 times [2024-12-02 14:19:33,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:33,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457231098] [2024-12-02 14:19:33,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:33,472 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 14:19:33,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:33,473 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:33,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:33,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:19:33,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:33,934 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:19:33,934 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:19:33,934 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:33,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457231098] [2024-12-02 14:19:33,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457231098] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:19:33,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:19:33,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:19:33,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942151973] [2024-12-02 14:19:33,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:33,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:19:33,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:33,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:19:33,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:19:33,936 INFO L87 Difference]: Start difference. First operand 114 states and 152 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:19:34,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:34,591 INFO L93 Difference]: Finished difference Result 239 states and 318 transitions. [2024-12-02 14:19:34,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:19:34,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-12-02 14:19:34,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:34,593 INFO L225 Difference]: With dead ends: 239 [2024-12-02 14:19:34,593 INFO L226 Difference]: Without dead ends: 176 [2024-12-02 14:19:34,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:19:34,594 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 90 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:34,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 204 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:19:34,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-12-02 14:19:34,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2024-12-02 14:19:34,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 104 states have (on average 1.0673076923076923) internal successors, (111), 104 states have internal predecessors, (111), 60 states have call successors, (60), 9 states have call predecessors, (60), 9 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-12-02 14:19:34,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 231 transitions. [2024-12-02 14:19:34,619 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 231 transitions. Word has length 131 [2024-12-02 14:19:34,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:34,620 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 231 transitions. [2024-12-02 14:19:34,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:19:34,620 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 231 transitions. [2024-12-02 14:19:34,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 14:19:34,621 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:34,621 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:34,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:34,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:34,822 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:34,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:34,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1871344364, now seen corresponding path program 1 times [2024-12-02 14:19:34,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:34,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498470777] [2024-12-02 14:19:34,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:34,823 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 14:19:34,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:34,824 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:34,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:35,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:19:35,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:35,900 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 387 proven. 33 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-12-02 14:19:35,901 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:36,198 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:36,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [498470777] [2024-12-02 14:19:36,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [498470777] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:36,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [992687797] [2024-12-02 14:19:36,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:36,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:19:36,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:19:36,200 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:19:36,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-02 14:19:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:36,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 14:19:36,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 438 proven. 57 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-12-02 14:19:37,820 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:38,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [992687797] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:38,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:19:38,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 16 [2024-12-02 14:19:38,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449006864] [2024-12-02 14:19:38,205 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:19:38,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 14:19:38,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:38,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 14:19:38,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2024-12-02 14:19:38,207 INFO L87 Difference]: Start difference. First operand 174 states and 231 transitions. Second operand has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 5 states have call successors, (40), 5 states have call predecessors, (40), 8 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) [2024-12-02 14:19:41,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:41,976 INFO L93 Difference]: Finished difference Result 265 states and 339 transitions. [2024-12-02 14:19:41,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 14:19:41,977 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 5 states have call successors, (40), 5 states have call predecessors, (40), 8 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) Word has length 131 [2024-12-02 14:19:41,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:41,981 INFO L225 Difference]: With dead ends: 265 [2024-12-02 14:19:41,981 INFO L226 Difference]: Without dead ends: 142 [2024-12-02 14:19:41,982 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=444, Invalid=1196, Unknown=0, NotChecked=0, Total=1640 [2024-12-02 14:19:41,983 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 234 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:41,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 355 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-12-02 14:19:41,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-12-02 14:19:42,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 130. [2024-12-02 14:19:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 79 states have (on average 1.0379746835443038) internal successors, (82), 79 states have internal predecessors, (82), 40 states have call successors, (40), 10 states have call predecessors, (40), 10 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:19:42,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 162 transitions. [2024-12-02 14:19:42,013 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 162 transitions. Word has length 131 [2024-12-02 14:19:42,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:42,014 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 162 transitions. [2024-12-02 14:19:42,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 5 states have call successors, (40), 5 states have call predecessors, (40), 8 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) [2024-12-02 14:19:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 162 transitions. [2024-12-02 14:19:42,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 14:19:42,015 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:42,015 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:42,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-02 14:19:42,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:42,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:42,416 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:42,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:42,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1995455282, now seen corresponding path program 1 times [2024-12-02 14:19:42,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:42,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396516900] [2024-12-02 14:19:42,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:42,417 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 14:19:42,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:42,419 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:42,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a2bd1a-2f0f-4b49-aa99-7c5dbb455521/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 14:19:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:42,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 14:19:42,588 INFO L279 TraceCheckSpWp]: Computing forward predicates...