./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.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_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/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_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/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_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/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 c7afbbb4b2e6924bc13d55806a21ab7f087433beabc76695e33c51517c3d4e0b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:02:15,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:02:15,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:02:15,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:02:15,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:02:15,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:02:15,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:02:15,095 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:02:15,095 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:02:15,095 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:02:15,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:02:15,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:02:15,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:02:15,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:02:15,096 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:02:15,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:02:15,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:02:15,096 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:02:15,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:02:15,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:02:15,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:02:15,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:02:15,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:02:15,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:02:15,097 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:02:15,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:02:15,097 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:02:15,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:02:15,097 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:02:15,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:02:15,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:02:15,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:02:15,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:02:15,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:02:15,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:02:15,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:02:15,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:02:15,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:02:15,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:02:15,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:02:15,098 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:02:15,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:02:15,098 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:02:15,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:02:15,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:02:15,099 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:02:15,099 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:02:15,099 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:02:15,099 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_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/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 -> c7afbbb4b2e6924bc13d55806a21ab7f087433beabc76695e33c51517c3d4e0b [2024-12-02 12:02:15,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:02:15,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:02:15,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:02:15,347 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:02:15,347 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:02:15,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i [2024-12-02 12:02:18,014 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/data/e35f9309d/68ef526d48fe42ed93f9128c00c012ae/FLAGeb455acc5 [2024-12-02 12:02:18,245 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:02:18,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i [2024-12-02 12:02:18,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/data/e35f9309d/68ef526d48fe42ed93f9128c00c012ae/FLAGeb455acc5 [2024-12-02 12:02:18,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/data/e35f9309d/68ef526d48fe42ed93f9128c00c012ae [2024-12-02 12:02:18,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:02:18,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:02:18,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:02:18,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:02:18,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:02:18,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b983e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18, skipping insertion in model container [2024-12-02 12:02:18,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,300 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:02:18,426 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_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i[916,929] [2024-12-02 12:02:18,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:02:18,505 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:02:18,513 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_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i[916,929] [2024-12-02 12:02:18,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:02:18,562 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:02:18,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18 WrapperNode [2024-12-02 12:02:18,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:02:18,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:02:18,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:02:18,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:02:18,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,610 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2024-12-02 12:02:18,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:02:18,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:02:18,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:02:18,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:02:18,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,624 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,643 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 12:02:18,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,653 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:02:18,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:02:18,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:02:18,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:02:18,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18" (1/1) ... [2024-12-02 12:02:18,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:02:18,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:02:18,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:02:18,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:02:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:02:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:02:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:02:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:02:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:02:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:02:18,788 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:02:18,790 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:02:19,135 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-02 12:02:19,135 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:02:19,145 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:02:19,145 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 12:02:19,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:02:19 BoogieIcfgContainer [2024-12-02 12:02:19,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:02:19,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:02:19,148 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:02:19,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:02:19,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:02:18" (1/3) ... [2024-12-02 12:02:19,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ef6c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:02:19, skipping insertion in model container [2024-12-02 12:02:19,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:18" (2/3) ... [2024-12-02 12:02:19,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ef6c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:02:19, skipping insertion in model container [2024-12-02 12:02:19,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:02:19" (3/3) ... [2024-12-02 12:02:19,154 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-38.i [2024-12-02 12:02:19,167 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:02:19,170 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-38.i that has 2 procedures, 69 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:02:19,214 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:02:19,224 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;@43a04e89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:02:19,224 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:02:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:02:19,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 12:02:19,234 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:19,235 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:19,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:19,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:19,239 INFO L85 PathProgramCache]: Analyzing trace with hash -34513644, now seen corresponding path program 1 times [2024-12-02 12:02:19,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:19,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053109486] [2024-12-02 12:02:19,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:19,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 12:02:19,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:19,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053109486] [2024-12-02 12:02:19,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053109486] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:02:19,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426243977] [2024-12-02 12:02:19,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:19,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:02:19,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:02:19,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:02:19,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:02:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:19,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:02:19,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:02:19,658 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 12:02:19,658 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:02:19,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426243977] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:19,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:02:19,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:02:19,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145783154] [2024-12-02 12:02:19,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:19,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:02:19,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:19,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:02:19,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:02:19,679 INFO L87 Difference]: Start difference. First operand has 69 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 12:02:19,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:19,699 INFO L93 Difference]: Finished difference Result 135 states and 229 transitions. [2024-12-02 12:02:19,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:02:19,701 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 114 [2024-12-02 12:02:19,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:19,706 INFO L225 Difference]: With dead ends: 135 [2024-12-02 12:02:19,706 INFO L226 Difference]: Without dead ends: 65 [2024-12-02 12:02:19,708 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 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 12:02:19,710 INFO L435 NwaCegarLoop]: 105 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, 105 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 12:02:19,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:02:19,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-12-02 12:02:19,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-12-02 12:02:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 47 states have internal predecessors, (69), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:02:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 101 transitions. [2024-12-02 12:02:19,740 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 101 transitions. Word has length 114 [2024-12-02 12:02:19,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:19,740 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 101 transitions. [2024-12-02 12:02:19,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 12:02:19,741 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2024-12-02 12:02:19,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 12:02:19,743 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:19,743 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:19,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:02:19,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 12:02:19,944 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:19,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:19,945 INFO L85 PathProgramCache]: Analyzing trace with hash -610478512, now seen corresponding path program 1 times [2024-12-02 12:02:19,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:19,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388471335] [2024-12-02 12:02:19,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:19,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:20,189 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 12:02:20,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:20,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388471335] [2024-12-02 12:02:20,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388471335] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:20,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:20,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:02:20,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606206233] [2024-12-02 12:02:20,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:20,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:02:20,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:20,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:02:20,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:02:20,191 INFO L87 Difference]: Start difference. First operand 65 states and 101 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:02:20,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:20,391 INFO L93 Difference]: Finished difference Result 267 states and 411 transitions. [2024-12-02 12:02:20,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:02:20,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 114 [2024-12-02 12:02:20,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:20,394 INFO L225 Difference]: With dead ends: 267 [2024-12-02 12:02:20,394 INFO L226 Difference]: Without dead ends: 205 [2024-12-02 12:02:20,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:02:20,395 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 199 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:20,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 400 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:02:20,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-12-02 12:02:20,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 117. [2024-12-02 12:02:20,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 92 states have (on average 1.4565217391304348) internal successors, (134), 93 states have internal predecessors, (134), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:02:20,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 178 transitions. [2024-12-02 12:02:20,416 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 178 transitions. Word has length 114 [2024-12-02 12:02:20,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:20,417 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 178 transitions. [2024-12-02 12:02:20,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:02:20,417 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 178 transitions. [2024-12-02 12:02:20,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 12:02:20,419 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:20,419 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:20,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:02:20,419 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:20,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:20,420 INFO L85 PathProgramCache]: Analyzing trace with hash 198868114, now seen corresponding path program 1 times [2024-12-02 12:02:20,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:20,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173361235] [2024-12-02 12:02:20,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:20,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:20,802 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 12:02:20,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:20,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173361235] [2024-12-02 12:02:20,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173361235] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:20,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:20,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:02:20,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114433364] [2024-12-02 12:02:20,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:20,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:02:20,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:20,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:02:20,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:02:20,805 INFO L87 Difference]: Start difference. First operand 117 states and 178 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:02:20,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:20,898 INFO L93 Difference]: Finished difference Result 301 states and 459 transitions. [2024-12-02 12:02:20,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:02:20,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 114 [2024-12-02 12:02:20,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:20,902 INFO L225 Difference]: With dead ends: 301 [2024-12-02 12:02:20,902 INFO L226 Difference]: Without dead ends: 187 [2024-12-02 12:02:20,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:02:20,903 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 78 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:20,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 257 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:02:20,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-12-02 12:02:20,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 150. [2024-12-02 12:02:20,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 125 states have (on average 1.488) internal successors, (186), 126 states have internal predecessors, (186), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:02:20,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 230 transitions. [2024-12-02 12:02:20,919 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 230 transitions. Word has length 114 [2024-12-02 12:02:20,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:20,920 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 230 transitions. [2024-12-02 12:02:20,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:02:20,920 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 230 transitions. [2024-12-02 12:02:20,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 12:02:20,922 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:20,922 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:20,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:02:20,923 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:20,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:20,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1591021429, now seen corresponding path program 1 times [2024-12-02 12:02:20,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:20,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875077884] [2024-12-02 12:02:20,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:20,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:21,245 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:02:21,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:21,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875077884] [2024-12-02 12:02:21,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875077884] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:02:21,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159988153] [2024-12-02 12:02:21,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:21,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:02:21,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:02:21,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:02:21,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:02:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:21,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 12:02:21,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:02:21,514 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 249 proven. 18 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-12-02 12:02:21,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:02:21,696 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:02:21,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159988153] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:02:21,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:02:21,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-12-02 12:02:21,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403638922] [2024-12-02 12:02:21,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:02:21,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:02:21,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:21,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:02:21,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:02:21,699 INFO L87 Difference]: Start difference. First operand 150 states and 230 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 12:02:22,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:22,025 INFO L93 Difference]: Finished difference Result 267 states and 400 transitions. [2024-12-02 12:02:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 12:02:22,026 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 115 [2024-12-02 12:02:22,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:22,028 INFO L225 Difference]: With dead ends: 267 [2024-12-02 12:02:22,028 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 12:02:22,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 227 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:02:22,029 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 239 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:22,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 227 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:02:22,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 12:02:22,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 115. [2024-12-02 12:02:22,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 89 states have internal predecessors, (118), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:02:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 162 transitions. [2024-12-02 12:02:22,047 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 162 transitions. Word has length 115 [2024-12-02 12:02:22,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:22,048 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 162 transitions. [2024-12-02 12:02:22,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 12:02:22,048 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 162 transitions. [2024-12-02 12:02:22,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 12:02:22,050 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:22,050 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:22,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 12:02:22,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:02:22,251 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:22,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:22,251 INFO L85 PathProgramCache]: Analyzing trace with hash -2121314980, now seen corresponding path program 1 times [2024-12-02 12:02:22,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:22,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274395909] [2024-12-02 12:02:22,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:22,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 12:02:22,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:22,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274395909] [2024-12-02 12:02:22,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274395909] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:22,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:22,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:02:22,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136429366] [2024-12-02 12:02:22,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:22,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:02:22,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:22,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:02:22,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:02:22,668 INFO L87 Difference]: Start difference. First operand 115 states and 162 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:02:22,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:22,808 INFO L93 Difference]: Finished difference Result 262 states and 367 transitions. [2024-12-02 12:02:22,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:02:22,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 116 [2024-12-02 12:02:22,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:22,811 INFO L225 Difference]: With dead ends: 262 [2024-12-02 12:02:22,811 INFO L226 Difference]: Without dead ends: 166 [2024-12-02 12:02:22,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:02:22,812 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 182 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:22,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 198 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:02:22,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-12-02 12:02:22,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 121. [2024-12-02 12:02:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:02:22,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 166 transitions. [2024-12-02 12:02:22,826 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 166 transitions. Word has length 116 [2024-12-02 12:02:22,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:22,827 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 166 transitions. [2024-12-02 12:02:22,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:02:22,827 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 166 transitions. [2024-12-02 12:02:22,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 12:02:22,828 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:22,829 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:22,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:02:22,829 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:22,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:22,829 INFO L85 PathProgramCache]: Analyzing trace with hash 942412758, now seen corresponding path program 1 times [2024-12-02 12:02:22,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:22,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762178304] [2024-12-02 12:02:22,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:22,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 12:02:23,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:23,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762178304] [2024-12-02 12:02:23,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762178304] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:23,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:23,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:02:23,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29821826] [2024-12-02 12:02:23,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:23,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:02:23,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:23,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:02:23,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:02:23,245 INFO L87 Difference]: Start difference. First operand 121 states and 166 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 12:02:23,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:23,264 INFO L93 Difference]: Finished difference Result 239 states and 329 transitions. [2024-12-02 12:02:23,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:02:23,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 116 [2024-12-02 12:02:23,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:23,267 INFO L225 Difference]: With dead ends: 239 [2024-12-02 12:02:23,267 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 12:02:23,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:02:23,268 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:23,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 94 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:02:23,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 12:02:23,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-12-02 12:02:23,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 99 states have (on average 1.3333333333333333) internal successors, (132), 99 states have internal predecessors, (132), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:02:23,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2024-12-02 12:02:23,280 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 116 [2024-12-02 12:02:23,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:23,280 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2024-12-02 12:02:23,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 12:02:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2024-12-02 12:02:23,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 12:02:23,281 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:23,281 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:23,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:02:23,282 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:23,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:23,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1051731948, now seen corresponding path program 1 times [2024-12-02 12:02:23,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:23,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843742516] [2024-12-02 12:02:23,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:23,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 12:02:23,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:23,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843742516] [2024-12-02 12:02:23,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843742516] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:23,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:23,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:02:23,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751800858] [2024-12-02 12:02:23,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:23,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:02:23,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:23,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:02:23,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:02:23,518 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:02:23,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:23,587 INFO L93 Difference]: Finished difference Result 248 states and 335 transitions. [2024-12-02 12:02:23,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:02:23,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 116 [2024-12-02 12:02:23,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:23,589 INFO L225 Difference]: With dead ends: 248 [2024-12-02 12:02:23,589 INFO L226 Difference]: Without dead ends: 130 [2024-12-02 12:02:23,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:02:23,590 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 88 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:23,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 168 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:02:23,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-12-02 12:02:23,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 113. [2024-12-02 12:02:23,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 91 states have (on average 1.2527472527472527) internal successors, (114), 91 states have internal predecessors, (114), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:02:23,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 146 transitions. [2024-12-02 12:02:23,602 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 146 transitions. Word has length 116 [2024-12-02 12:02:23,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:23,602 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 146 transitions. [2024-12-02 12:02:23,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:02:23,602 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 146 transitions. [2024-12-02 12:02:23,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 12:02:23,604 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:23,604 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:23,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:02:23,604 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:23,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:23,605 INFO L85 PathProgramCache]: Analyzing trace with hash -40614698, now seen corresponding path program 1 times [2024-12-02 12:02:23,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:23,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686234604] [2024-12-02 12:02:23,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:23,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:02:23,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:23,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686234604] [2024-12-02 12:02:23,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686234604] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:02:23,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102866818] [2024-12-02 12:02:23,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:23,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:02:23,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:02:23,895 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:02:23,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:02:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:24,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 12:02:24,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:02:24,286 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:02:24,286 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:02:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:02:24,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102866818] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:02:24,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:02:24,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-12-02 12:02:24,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555961577] [2024-12-02 12:02:24,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:02:24,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:02:24,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:24,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:02:24,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:02:24,822 INFO L87 Difference]: Start difference. First operand 113 states and 146 transitions. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 3 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 12:02:25,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:25,409 INFO L93 Difference]: Finished difference Result 419 states and 528 transitions. [2024-12-02 12:02:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 12:02:25,410 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 3 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 3 states have call successors, (47) Word has length 116 [2024-12-02 12:02:25,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:25,412 INFO L225 Difference]: With dead ends: 419 [2024-12-02 12:02:25,412 INFO L226 Difference]: Without dead ends: 309 [2024-12-02 12:02:25,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2024-12-02 12:02:25,413 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 180 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:25,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 410 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:02:25,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-12-02 12:02:25,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 121. [2024-12-02 12:02:25,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 98 states have (on average 1.2448979591836735) internal successors, (122), 98 states have internal predecessors, (122), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:02:25,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 154 transitions. [2024-12-02 12:02:25,428 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 154 transitions. Word has length 116 [2024-12-02 12:02:25,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:25,429 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 154 transitions. [2024-12-02 12:02:25,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 3 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 12:02:25,429 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 154 transitions. [2024-12-02 12:02:25,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 12:02:25,430 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:25,430 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:25,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 12:02:25,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:02:25,631 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:25,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:25,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1664543706, now seen corresponding path program 1 times [2024-12-02 12:02:25,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:25,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323873252] [2024-12-02 12:02:25,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:25,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:25,704 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 12:02:25,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:25,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323873252] [2024-12-02 12:02:25,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323873252] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:25,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:25,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:02:25,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549252445] [2024-12-02 12:02:25,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:25,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:02:25,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:25,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:02:25,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:25,706 INFO L87 Difference]: Start difference. First operand 121 states and 154 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:02:25,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:25,724 INFO L93 Difference]: Finished difference Result 239 states and 305 transitions. [2024-12-02 12:02:25,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:02:25,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 117 [2024-12-02 12:02:25,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:25,726 INFO L225 Difference]: With dead ends: 239 [2024-12-02 12:02:25,726 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 12:02:25,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:25,727 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:25,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 91 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:02:25,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 12:02:25,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-12-02 12:02:25,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 98 states have (on average 1.2346938775510203) internal successors, (121), 98 states have internal predecessors, (121), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:02:25,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 153 transitions. [2024-12-02 12:02:25,739 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 153 transitions. Word has length 117 [2024-12-02 12:02:25,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:25,739 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 153 transitions. [2024-12-02 12:02:25,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:02:25,740 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 153 transitions. [2024-12-02 12:02:25,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 12:02:25,740 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:25,740 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:25,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 12:02:25,741 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:25,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:25,741 INFO L85 PathProgramCache]: Analyzing trace with hash 367448420, now seen corresponding path program 1 times [2024-12-02 12:02:25,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:25,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549003567] [2024-12-02 12:02:25,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:25,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:02:26,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:26,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549003567] [2024-12-02 12:02:26,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549003567] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:02:26,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881930053] [2024-12-02 12:02:26,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:26,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:02:26,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:02:26,082 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:02:26,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 12:02:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:26,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 12:02:26,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:02:26,678 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:02:26,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:02:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:02:26,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881930053] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:02:26,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:02:26,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-12-02 12:02:26,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061808885] [2024-12-02 12:02:26,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:02:26,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 12:02:26,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:26,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 12:02:26,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:02:26,961 INFO L87 Difference]: Start difference. First operand 121 states and 153 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 3 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 12:02:27,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:27,719 INFO L93 Difference]: Finished difference Result 343 states and 431 transitions. [2024-12-02 12:02:27,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 12:02:27,719 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 3 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 3 states have call successors, (47) Word has length 117 [2024-12-02 12:02:27,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:27,721 INFO L225 Difference]: With dead ends: 343 [2024-12-02 12:02:27,721 INFO L226 Difference]: Without dead ends: 225 [2024-12-02 12:02:27,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2024-12-02 12:02:27,722 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 268 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:27,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 393 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:02:27,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-12-02 12:02:27,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 117. [2024-12-02 12:02:27,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 94 states have (on average 1.2234042553191489) internal successors, (115), 94 states have internal predecessors, (115), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:02:27,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2024-12-02 12:02:27,737 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 117 [2024-12-02 12:02:27,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:27,737 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2024-12-02 12:02:27,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 3 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 12:02:27,738 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2024-12-02 12:02:27,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 12:02:27,739 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:27,739 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:27,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 12:02:27,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 12:02:27,940 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:27,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:27,940 INFO L85 PathProgramCache]: Analyzing trace with hash -299578101, now seen corresponding path program 1 times [2024-12-02 12:02:27,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:27,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060066679] [2024-12-02 12:02:27,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:27,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:02:28,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [863293163] [2024-12-02 12:02:28,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:28,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:02:28,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:02:28,019 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:02:28,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 12:02:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:02:28,376 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:02:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:02:28,488 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:02:28,489 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:02:28,490 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:02:28,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 12:02:28,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 12:02:28,694 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:02:28,763 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:02:28,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:02:28 BoogieIcfgContainer [2024-12-02 12:02:28,766 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:02:28,766 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:02:28,766 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:02:28,766 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:02:28,767 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:02:19" (3/4) ... [2024-12-02 12:02:28,768 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:02:28,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:02:28,769 INFO L158 Benchmark]: Toolchain (without parser) took 10496.71ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.1MB in the beginning and 379.0MB in the end (delta: -260.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-12-02 12:02:28,770 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:02:28,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.70ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 101.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:02:28,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.58ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 97.0MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:02:28,770 INFO L158 Benchmark]: Boogie Preprocessor took 57.54ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 85.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:02:28,770 INFO L158 Benchmark]: RCFGBuilder took 476.08ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 112.0MB in the end (delta: -26.1MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-12-02 12:02:28,771 INFO L158 Benchmark]: TraceAbstraction took 9618.01ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 111.5MB in the beginning and 379.0MB in the end (delta: -267.6MB). Peak memory consumption was 248.8MB. Max. memory is 16.1GB. [2024-12-02 12:02:28,771 INFO L158 Benchmark]: Witness Printer took 2.64ms. Allocated memory is still 427.8MB. Free memory was 379.0MB in the beginning and 379.0MB in the end (delta: 37.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:02:28,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.70ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 101.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.58ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 97.0MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.54ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 85.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 476.08ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 112.0MB in the end (delta: -26.1MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9618.01ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 111.5MB in the beginning and 379.0MB in the end (delta: -267.6MB). Peak memory consumption was 248.8MB. Max. memory is 16.1GB. * Witness Printer took 2.64ms. Allocated memory is still 427.8MB. Free memory was 379.0MB in the beginning and 379.0MB in the end (delta: 37.1kB). 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 someBinaryFLOATComparisonOperation at line 151, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 153, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 129, overapproximation of someBinaryFLOATComparisonOperation at line 179, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 179, overapproximation of someBinaryDOUBLEComparisonOperation at line 133, overapproximation of someBinaryDOUBLEComparisonOperation at line 148, overapproximation of someBinaryDOUBLEComparisonOperation at line 149, overapproximation of someBinaryArithmeticFLOAToperation at line 134, overapproximation of someBinaryArithmeticFLOAToperation at line 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 200; [L23] unsigned short int var_1_5 = 42139; [L24] unsigned short int var_1_7 = 1; [L25] double var_1_9 = 0.1; [L26] float var_1_12 = 10000000000.5; [L27] float var_1_13 = 255.6; [L28] float var_1_14 = 128.2; [L29] signed long int var_1_15 = 500; [L30] unsigned char var_1_16 = 0; [L31] unsigned char var_1_17 = 0; [L32] unsigned char var_1_18 = 0; [L33] signed char var_1_19 = -5; [L34] signed char var_1_20 = -1; [L35] signed char var_1_21 = 8; [L36] float var_1_22 = 3.75; [L37] signed short int var_1_23 = 10; [L38] unsigned long int var_1_24 = 8; [L39] unsigned char var_1_25 = 5; [L40] unsigned char var_1_26 = 50; [L41] float var_1_27 = 4.5; [L42] unsigned short int var_1_28 = 5; [L43] unsigned long int var_1_29 = 50; [L44] double var_1_30 = 3.5; [L45] unsigned char var_1_31 = 1; [L46] float last_1_var_1_12 = 10000000000.5; [L47] signed short int last_1_var_1_23 = 10; [L48] unsigned long int last_1_var_1_24 = 8; [L49] unsigned char last_1_var_1_25 = 5; [L50] unsigned long int last_1_var_1_29 = 50; [L51] unsigned char last_1_var_1_31 = 1; VAL [isInitial=0, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=42139, var_1_7=1, var_1_9=1/10] [L183] isInitial = 1 [L184] FCALL initially() [L185] int k_loop; [L186] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=42139, var_1_7=1, var_1_9=1/10] [L186] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=42139, var_1_7=1, var_1_9=1/10] [L187] CALL updateLastVariables() [L171] last_1_var_1_12 = var_1_12 [L172] last_1_var_1_23 = var_1_23 [L173] last_1_var_1_24 = var_1_24 [L174] last_1_var_1_25 = var_1_25 [L175] last_1_var_1_29 = var_1_29 [L176] last_1_var_1_31 = var_1_31 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=42139, var_1_7=1, var_1_9=1/10] [L187] RET updateLastVariables() [L188] CALL updateVariables() [L144] var_1_5 = __VERIFIER_nondet_ushort() [L145] CALL assume_abort_if_not(var_1_5 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L145] RET assume_abort_if_not(var_1_5 >= 32767) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L146] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L146] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L147] var_1_9 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L148] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L149] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L149] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L150] var_1_13 = __VERIFIER_nondet_float() [L151] 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_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L151] 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_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L152] var_1_14 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L153] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L154] var_1_17 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L155] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L156] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L156] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L157] var_1_18 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L158] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L159] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L159] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L160] var_1_20 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_20 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L161] RET assume_abort_if_not(var_1_20 >= -127) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L162] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L162] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L163] var_1_21 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L164] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L165] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L165] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L166] var_1_26 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L167] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L168] CALL assume_abort_if_not(var_1_26 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L168] RET assume_abort_if_not(var_1_26 <= 254) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L188] RET updateVariables() [L189] CALL step() [L55] unsigned short int stepLocal_1 = var_1_5; [L56] unsigned long int stepLocal_0 = (last_1_var_1_25 + last_1_var_1_23) + (last_1_var_1_29 / var_1_5); VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L57] COND FALSE !((last_1_var_1_12 / var_1_9) != last_1_var_1_12) [L76] var_1_7 = var_1_5 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L78] COND FALSE !(\read(var_1_18)) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L81] COND TRUE \read(var_1_17) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L82] COND FALSE !(((((var_1_29) > (var_1_5)) ? (var_1_29) : (var_1_5))) < ((((4) < 0 ) ? -(4) : (4)))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L86] var_1_19 = ((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))) [L87] var_1_30 = var_1_14 [L88] var_1_31 = var_1_17 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L89] COND FALSE !(var_1_13 != 4.5f) [L96] var_1_16 = (var_1_18 || (! var_1_17)) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L98] COND TRUE var_1_16 || var_1_17 [L99] var_1_22 = ((((var_1_14) > (var_1_13)) ? (var_1_14) : (var_1_13))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L101] COND TRUE \read(var_1_31) [L102] var_1_25 = (4 + 8) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L106] COND TRUE var_1_13 != var_1_22 [L107] var_1_28 = var_1_25 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L111] COND FALSE !(\read(var_1_16)) [L114] var_1_1 = (((((var_1_5 - var_1_25)) < ((var_1_25 + (256 + 1)))) ? ((var_1_5 - var_1_25)) : ((var_1_25 + (256 + 1))))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L116] unsigned short int stepLocal_3 = var_1_5; VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_3=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L117] COND TRUE stepLocal_3 >= ((((var_1_25) < (var_1_7)) ? (var_1_25) : (var_1_7))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L118] COND TRUE ! var_1_16 [L119] var_1_15 = var_1_25 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L122] COND FALSE !(var_1_16 || var_1_18) [L125] var_1_24 = ((((2u) > (100u)) ? (2u) : (100u))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L127] signed long int stepLocal_2 = ((((-64) < (var_1_28)) ? (-64) : (var_1_28))) + (var_1_25 << 1); VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_2=-40, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L128] COND TRUE stepLocal_2 < var_1_7 [L129] var_1_12 = (((((var_1_13 - 128.9f)) < (var_1_14)) ? ((var_1_13 - 128.9f)) : (var_1_14))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=3, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L131] COND TRUE var_1_1 != var_1_25 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=3, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L132] COND TRUE var_1_23 >= -128 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=3, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L133] COND TRUE var_1_30 != ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12))) [L134] var_1_27 = (var_1_13 - (99999.4f + 9.999999999125E9f)) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=3, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L189] RET step() [L190] CALL, EXPR property() [L179-L180] return ((((((((((((((var_1_16 ? (var_1_1 == ((unsigned short int) (((((var_1_25 + var_1_25)) < ((var_1_5 - ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))) ? ((var_1_25 + var_1_25)) : ((var_1_5 - ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))))))) : (var_1_1 == ((unsigned short int) (((((var_1_5 - var_1_25)) < ((var_1_25 + (256 + 1)))) ? ((var_1_5 - var_1_25)) : ((var_1_25 + (256 + 1)))))))) && (((last_1_var_1_12 / var_1_9) != last_1_var_1_12) ? ((var_1_9 >= last_1_var_1_12) ? (var_1_7 == ((unsigned short int) last_1_var_1_25)) : ((var_1_5 <= last_1_var_1_25) ? ((last_1_var_1_25 < ((last_1_var_1_25 + last_1_var_1_23) + (last_1_var_1_29 / var_1_5))) ? (last_1_var_1_31 ? (var_1_7 == ((unsigned short int) 5)) : (var_1_7 == ((unsigned short int) last_1_var_1_25))) : (var_1_7 == ((unsigned short int) last_1_var_1_25))) : (var_1_7 == ((unsigned short int) last_1_var_1_25)))) : (var_1_7 == ((unsigned short int) var_1_5)))) && (((((((-64) < (var_1_28)) ? (-64) : (var_1_28))) + (var_1_25 << 1)) < var_1_7) ? (var_1_12 == ((float) (((((var_1_13 - 128.9f)) < (var_1_14)) ? ((var_1_13 - 128.9f)) : (var_1_14))))) : 1)) && ((var_1_5 >= ((((var_1_25) < (var_1_7)) ? (var_1_25) : (var_1_7)))) ? ((! var_1_16) ? (var_1_15 == ((signed long int) var_1_25)) : 1) : 1)) && ((var_1_13 != 4.5f) ? (var_1_31 ? (var_1_16 == ((unsigned char) var_1_17)) : (var_1_16 == ((unsigned char) (! 0)))) : (var_1_16 == ((unsigned char) (var_1_18 || (! var_1_17)))))) && (var_1_19 == ((signed char) ((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21)))))) && ((var_1_16 || var_1_17) ? (var_1_22 == ((float) ((((var_1_14) > (var_1_13)) ? (var_1_14) : (var_1_13))))) : 1)) && (var_1_17 ? ((((((var_1_29) > (var_1_5)) ? (var_1_29) : (var_1_5))) < ((((4) < 0 ) ? -(4) : (4)))) ? (var_1_23 == ((signed short int) var_1_20)) : 1) : 1)) && ((var_1_16 || var_1_18) ? (var_1_24 == ((unsigned long int) ((((last_1_var_1_24) > (var_1_25)) ? (last_1_var_1_24) : (var_1_25))))) : (var_1_24 == ((unsigned long int) ((((2u) > (100u)) ? (2u) : (100u))))))) && (var_1_31 ? (var_1_25 == ((unsigned char) (4 + 8))) : (var_1_25 == ((unsigned char) ((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))))) && ((var_1_1 != var_1_25) ? ((var_1_23 >= -128) ? ((var_1_30 != ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) ? (var_1_27 == ((float) (var_1_13 - (99999.4f + 9.999999999125E9f)))) : (var_1_27 == ((float) ((((0.8f) > (var_1_13)) ? (0.8f) : (var_1_13)))))) : 1) : (var_1_27 == ((float) var_1_14)))) && ((var_1_13 != var_1_22) ? (var_1_28 == ((unsigned short int) var_1_25)) : (var_1_28 == ((unsigned short int) (var_1_5 - 10))))) && (var_1_18 ? (var_1_29 == ((unsigned long int) (((((var_1_7 + 100000000u)) > (var_1_26)) ? ((var_1_7 + 100000000u)) : (var_1_26))))) : 1)) && (var_1_30 == ((double) var_1_14))) && (var_1_31 == ((unsigned char) var_1_17)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=3, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L190] RET, EXPR property() [L190] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=3, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=3, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 11, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1411 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1371 mSDsluCounter, 2343 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1256 mSDsCounter, 242 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1177 IncrementalHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 242 mSolverCounterUnsat, 1087 mSDtfsCounter, 1177 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 900 GetRequests, 822 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=3, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 488 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1853 NumberOfCodeBlocks, 1853 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1948 ConstructedInterpolants, 0 QuantifiedInterpolants, 5417 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1278 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 7797/8160 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 12:02:28,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/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_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/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_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/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_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/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 c7afbbb4b2e6924bc13d55806a21ab7f087433beabc76695e33c51517c3d4e0b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:02:30,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:02:30,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 12:02:30,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:02:30,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:02:30,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:02:30,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:02:30,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:02:30,818 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:02:30,818 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:02:30,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:02:30,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:02:30,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:02:30,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:02:30,819 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:02:30,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:02:30,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:02:30,819 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:02:30,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:02:30,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:02:30,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:02:30,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:02:30,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:02:30,820 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:02:30,820 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 12:02:30,820 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 12:02:30,820 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:02:30,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:02:30,820 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:02:30,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:02:30,820 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:02:30,820 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:02:30,820 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:02:30,820 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:02:30,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:02:30,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:02:30,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:02:30,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:02:30,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:02:30,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:02:30,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:02:30,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:02:30,821 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:02:30,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:02:30,821 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 12:02:30,821 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 12:02:30,821 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:02:30,821 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:02:30,822 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:02:30,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:02:30,822 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_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/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 -> c7afbbb4b2e6924bc13d55806a21ab7f087433beabc76695e33c51517c3d4e0b [2024-12-02 12:02:31,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:02:31,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:02:31,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:02:31,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:02:31,058 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:02:31,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i [2024-12-02 12:02:33,712 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/data/8a8fae716/8e256ff7d6b045fb87dbdeb215f9fb05/FLAG8ae6952b4 [2024-12-02 12:02:33,955 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:02:33,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i [2024-12-02 12:02:33,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/data/8a8fae716/8e256ff7d6b045fb87dbdeb215f9fb05/FLAG8ae6952b4 [2024-12-02 12:02:33,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/data/8a8fae716/8e256ff7d6b045fb87dbdeb215f9fb05 [2024-12-02 12:02:33,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:02:33,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:02:33,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:02:33,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:02:33,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:02:33,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:02:33" (1/1) ... [2024-12-02 12:02:33,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266e076f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:33, skipping insertion in model container [2024-12-02 12:02:33,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:02:33" (1/1) ... [2024-12-02 12:02:34,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:02:34,108 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_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i[916,929] [2024-12-02 12:02:34,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:02:34,191 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:02:34,201 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_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i[916,929] [2024-12-02 12:02:34,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:02:34,256 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:02:34,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34 WrapperNode [2024-12-02 12:02:34,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:02:34,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:02:34,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:02:34,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:02:34,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34" (1/1) ... [2024-12-02 12:02:34,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34" (1/1) ... [2024-12-02 12:02:34,299 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2024-12-02 12:02:34,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:02:34,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:02:34,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:02:34,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:02:34,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34" (1/1) ... [2024-12-02 12:02:34,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34" (1/1) ... [2024-12-02 12:02:34,314 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34" (1/1) ... [2024-12-02 12:02:34,325 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 12:02:34,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34" (1/1) ... [2024-12-02 12:02:34,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34" (1/1) ... [2024-12-02 12:02:34,336 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34" (1/1) ... [2024-12-02 12:02:34,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34" (1/1) ... [2024-12-02 12:02:34,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34" (1/1) ... [2024-12-02 12:02:34,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34" (1/1) ... [2024-12-02 12:02:34,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34" (1/1) ... [2024-12-02 12:02:34,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:02:34,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:02:34,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:02:34,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:02:34,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34" (1/1) ... [2024-12-02 12:02:34,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:02:34,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:02:34,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:02:34,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:02:34,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:02:34,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 12:02:34,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:02:34,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:02:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:02:34,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:02:34,473 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:02:34,474 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:02:48,030 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-02 12:02:48,030 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:02:48,040 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:02:48,040 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 12:02:48,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:02:48 BoogieIcfgContainer [2024-12-02 12:02:48,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:02:48,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:02:48,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:02:48,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:02:48,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:02:33" (1/3) ... [2024-12-02 12:02:48,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b6237b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:02:48, skipping insertion in model container [2024-12-02 12:02:48,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:02:34" (2/3) ... [2024-12-02 12:02:48,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b6237b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:02:48, skipping insertion in model container [2024-12-02 12:02:48,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:02:48" (3/3) ... [2024-12-02 12:02:48,051 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-38.i [2024-12-02 12:02:48,063 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:02:48,066 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-38.i that has 2 procedures, 69 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:02:48,107 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:02:48,116 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;@42ebb235, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:02:48,116 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:02:48,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:02:48,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 12:02:48,127 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:48,128 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:48,128 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:48,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:48,132 INFO L85 PathProgramCache]: Analyzing trace with hash -34513644, now seen corresponding path program 1 times [2024-12-02 12:02:48,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:02:48,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429397641] [2024-12-02 12:02:48,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:48,140 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 12:02:48,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:02:48,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:02:48,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:02:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:49,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:02:49,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:02:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-12-02 12:02:49,105 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:02:49,106 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:02:49,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429397641] [2024-12-02 12:02:49,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429397641] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:49,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:49,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:02:49,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427433160] [2024-12-02 12:02:49,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:49,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:02:49,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:02:49,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:02:49,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:02:49,128 INFO L87 Difference]: Start difference. First operand has 69 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 12:02:49,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:49,149 INFO L93 Difference]: Finished difference Result 135 states and 229 transitions. [2024-12-02 12:02:49,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:02:49,151 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 114 [2024-12-02 12:02:49,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:49,156 INFO L225 Difference]: With dead ends: 135 [2024-12-02 12:02:49,156 INFO L226 Difference]: Without dead ends: 65 [2024-12-02 12:02:49,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 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 12:02:49,161 INFO L435 NwaCegarLoop]: 105 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, 105 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 12:02:49,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:02:49,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-12-02 12:02:49,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-12-02 12:02:49,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 47 states have internal predecessors, (69), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:02:49,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 101 transitions. [2024-12-02 12:02:49,192 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 101 transitions. Word has length 114 [2024-12-02 12:02:49,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:49,193 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 101 transitions. [2024-12-02 12:02:49,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 12:02:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2024-12-02 12:02:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 12:02:49,196 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:49,196 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:49,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:02:49,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:02:49,397 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:49,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:49,397 INFO L85 PathProgramCache]: Analyzing trace with hash -610478512, now seen corresponding path program 1 times [2024-12-02 12:02:49,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:02:49,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448915404] [2024-12-02 12:02:49,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:49,399 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 12:02:49,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:02:49,400 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:02:49,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:02:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:50,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:02:50,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:02:51,434 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 249 proven. 18 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-12-02 12:02:51,434 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:02:53,064 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:02:53,064 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:02:53,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448915404] [2024-12-02 12:02:53,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1448915404] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:02:53,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:02:53,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-12-02 12:02:53,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893387042] [2024-12-02 12:02:53,065 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:02:53,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:02:53,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:02:53,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:02:53,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:02:53,067 INFO L87 Difference]: Start difference. First operand 65 states and 101 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 12:02:58,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:02,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:06,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:06,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:06,981 INFO L93 Difference]: Finished difference Result 135 states and 206 transitions. [2024-12-02 12:03:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 12:03:07,093 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 114 [2024-12-02 12:03:07,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:07,095 INFO L225 Difference]: With dead ends: 135 [2024-12-02 12:03:07,095 INFO L226 Difference]: Without dead ends: 73 [2024-12-02 12:03:07,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 220 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:03:07,096 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 67 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:07,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 200 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 3 Unknown, 0 Unchecked, 13.6s Time] [2024-12-02 12:03:07,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-12-02 12:03:07,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2024-12-02 12:03:07,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.42) internal successors, (71), 50 states have internal predecessors, (71), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:03:07,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 103 transitions. [2024-12-02 12:03:07,109 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 103 transitions. Word has length 114 [2024-12-02 12:03:07,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:07,109 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 103 transitions. [2024-12-02 12:03:07,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 12:03:07,110 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2024-12-02 12:03:07,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 12:03:07,111 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:07,111 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:03:07,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:03:07,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:03:07,312 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:03:07,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:07,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1690344078, now seen corresponding path program 1 times [2024-12-02 12:03:07,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:03:07,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190342372] [2024-12-02 12:03:07,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:07,313 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 12:03:07,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:03:07,315 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:03:07,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:03:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:08,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:03:08,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:03:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 243 proven. 27 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-12-02 12:03:09,646 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:03:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:03:11,384 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:03:11,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190342372] [2024-12-02 12:03:11,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [190342372] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:03:11,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:03:11,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-12-02 12:03:11,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276370886] [2024-12-02 12:03:11,385 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:03:11,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:03:11,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:03:11,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:03:11,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:03:11,387 INFO L87 Difference]: Start difference. First operand 69 states and 103 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 12:03:17,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:21,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:25,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:25,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:25,789 INFO L93 Difference]: Finished difference Result 156 states and 229 transitions. [2024-12-02 12:03:25,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:03:25,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 114 [2024-12-02 12:03:25,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:25,791 INFO L225 Difference]: With dead ends: 156 [2024-12-02 12:03:25,791 INFO L226 Difference]: Without dead ends: 90 [2024-12-02 12:03:25,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 220 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:03:25,793 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 59 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:25,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 222 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 134 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2024-12-02 12:03:25,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-12-02 12:03:25,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 85. [2024-12-02 12:03:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 60 states have internal predecessors, (78), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:03:25,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 122 transitions. [2024-12-02 12:03:25,807 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 122 transitions. Word has length 114 [2024-12-02 12:03:25,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:25,808 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 122 transitions. [2024-12-02 12:03:25,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 12:03:25,808 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2024-12-02 12:03:25,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 12:03:25,810 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:25,810 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:03:25,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:03:26,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:03:26,010 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:03:26,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:26,011 INFO L85 PathProgramCache]: Analyzing trace with hash -314589303, now seen corresponding path program 1 times [2024-12-02 12:03:26,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:03:26,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236451444] [2024-12-02 12:03:26,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:26,011 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 12:03:26,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:03:26,013 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:03:26,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:03:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:26,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:03:26,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:03:31,666 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:03:31,666 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:03:36,025 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:03:36,026 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:03:36,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236451444] [2024-12-02 12:03:36,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [236451444] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:03:36,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:03:36,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-12-02 12:03:36,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407494631] [2024-12-02 12:03:36,026 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:03:36,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:03:36,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:03:36,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:03:36,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:03:36,028 INFO L87 Difference]: Start difference. First operand 85 states and 122 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-12-02 12:03:42,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:46,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:49,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:54,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:58,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:02,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:02,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:02,341 INFO L93 Difference]: Finished difference Result 167 states and 233 transitions. [2024-12-02 12:04:02,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 12:04:02,455 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) Word has length 115 [2024-12-02 12:04:02,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:02,457 INFO L225 Difference]: With dead ends: 167 [2024-12-02 12:04:02,457 INFO L226 Difference]: Without dead ends: 97 [2024-12-02 12:04:02,458 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:04:02,458 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 137 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:02,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 181 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 114 Invalid, 5 Unknown, 0 Unchecked, 25.9s Time] [2024-12-02 12:04:02,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-12-02 12:04:02,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 93. [2024-12-02 12:04:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 66 states have internal predecessors, (83), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:04:02,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 127 transitions. [2024-12-02 12:04:02,476 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 127 transitions. Word has length 115 [2024-12-02 12:04:02,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:02,476 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 127 transitions. [2024-12-02 12:04:02,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-12-02 12:04:02,476 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 127 transitions. [2024-12-02 12:04:02,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 12:04:02,478 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:02,478 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:04:02,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 12:04:02,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:02,679 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:04:02,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:02,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1902937205, now seen corresponding path program 1 times [2024-12-02 12:04:02,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:04:02,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418907021] [2024-12-02 12:04:02,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:02,680 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 12:04:02,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:04:02,681 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:02,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:03,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 12:04:03,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:04:06,919 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 254 proven. 48 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-12-02 12:04:06,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:04:09,108 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:04:09,109 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:04:09,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418907021] [2024-12-02 12:04:09,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [418907021] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:04:09,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:04:09,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-12-02 12:04:09,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258828915] [2024-12-02 12:04:09,109 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:04:09,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 12:04:09,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:04:09,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 12:04:09,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:04:09,111 INFO L87 Difference]: Start difference. First operand 93 states and 127 transitions. Second operand has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-02 12:04:17,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:21,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:22,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:26,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:30,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:31,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:31,719 INFO L93 Difference]: Finished difference Result 176 states and 238 transitions. [2024-12-02 12:04:31,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 12:04:31,720 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 115 [2024-12-02 12:04:31,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:31,722 INFO L225 Difference]: With dead ends: 176 [2024-12-02 12:04:31,722 INFO L226 Difference]: Without dead ends: 102 [2024-12-02 12:04:31,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 219 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2024-12-02 12:04:31,723 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 267 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 91 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:31,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 307 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 250 Invalid, 4 Unknown, 0 Unchecked, 21.3s Time] [2024-12-02 12:04:31,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-12-02 12:04:31,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 97. [2024-12-02 12:04:31,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 69 states have internal predecessors, (84), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:04:31,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 128 transitions. [2024-12-02 12:04:31,742 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 128 transitions. Word has length 115 [2024-12-02 12:04:31,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:31,742 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 128 transitions. [2024-12-02 12:04:31,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-02 12:04:31,742 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions. [2024-12-02 12:04:31,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 12:04:31,743 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:31,744 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:04:31,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:31,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:31,944 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:04:31,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:31,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1316131191, now seen corresponding path program 1 times [2024-12-02 12:04:31,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:04:31,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [343168322] [2024-12-02 12:04:31,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:31,945 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 12:04:31,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:04:31,946 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:31,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:04:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:32,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 12:04:32,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:04:36,270 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 306 proven. 42 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-12-02 12:04:36,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:04:39,603 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 42 proven. 45 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-12-02 12:04:39,603 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:04:39,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [343168322] [2024-12-02 12:04:39,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [343168322] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:04:39,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:04:39,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2024-12-02 12:04:39,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349388958] [2024-12-02 12:04:39,603 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:04:39,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 12:04:39,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:04:39,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 12:04:39,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:04:39,604 INFO L87 Difference]: Start difference. First operand 97 states and 128 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (25), 3 states have call predecessors, (25), 7 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-02 12:04:48,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:52,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:56,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:05:00,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:05:04,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:05:08,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:05:12,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:05:16,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:05:20,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:05:24,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:05:28,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:05:32,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:32,041 INFO L93 Difference]: Finished difference Result 267 states and 352 transitions. [2024-12-02 12:05:32,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-02 12:05:32,044 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (25), 3 states have call predecessors, (25), 7 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 115 [2024-12-02 12:05:32,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:32,046 INFO L225 Difference]: With dead ends: 267 [2024-12-02 12:05:32,046 INFO L226 Difference]: Without dead ends: 189 [2024-12-02 12:05:32,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=297, Invalid=695, Unknown=0, NotChecked=0, Total=992 [2024-12-02 12:05:32,048 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 245 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 69 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:32,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 352 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 391 Invalid, 11 Unknown, 0 Unchecked, 49.7s Time] [2024-12-02 12:05:32,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-12-02 12:05:32,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 161. [2024-12-02 12:05:32,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 111 states have (on average 1.2072072072072073) internal successors, (134), 113 states have internal predecessors, (134), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 12:05:32,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 210 transitions. [2024-12-02 12:05:32,074 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 210 transitions. Word has length 115 [2024-12-02 12:05:32,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:32,075 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 210 transitions. [2024-12-02 12:05:32,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (25), 3 states have call predecessors, (25), 7 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-02 12:05:32,075 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 210 transitions. [2024-12-02 12:05:32,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 12:05:32,076 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:32,076 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:32,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Forceful destruction successful, exit code 0 [2024-12-02 12:05:32,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:32,277 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:32,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:32,277 INFO L85 PathProgramCache]: Analyzing trace with hash -615066613, now seen corresponding path program 1 times [2024-12-02 12:05:32,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:05:32,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23734791] [2024-12-02 12:05:32,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:32,278 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 12:05:32,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:05:32,279 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:32,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:05:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:33,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 12:05:33,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:36,347 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:05:36,347 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:05:39,235 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 12:05:39,235 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:05:39,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23734791] [2024-12-02 12:05:39,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [23734791] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:05:39,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:05:39,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-12-02 12:05:39,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054892376] [2024-12-02 12:05:39,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:39,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:05:39,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:05:39,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:05:39,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:05:39,237 INFO L87 Difference]: Start difference. First operand 161 states and 210 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:05:43,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 12:05:49,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 12:05:53,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 12:05:57,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 12:06:01,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 12:06:01,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:06:01,073 INFO L93 Difference]: Finished difference Result 351 states and 461 transitions. [2024-12-02 12:06:01,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:06:01,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 115 [2024-12-02 12:06:01,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:06:01,206 INFO L225 Difference]: With dead ends: 351 [2024-12-02 12:06:01,206 INFO L226 Difference]: Without dead ends: 209 [2024-12-02 12:06:01,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:06:01,207 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 29 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:06:01,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 236 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 5 Unknown, 0 Unchecked, 21.4s Time] [2024-12-02 12:06:01,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-12-02 12:06:01,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 179. [2024-12-02 12:06:01,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 129 states have (on average 1.2093023255813953) internal successors, (156), 131 states have internal predecessors, (156), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 12:06:01,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 232 transitions. [2024-12-02 12:06:01,231 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 232 transitions. Word has length 115 [2024-12-02 12:06:01,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:06:01,232 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 232 transitions. [2024-12-02 12:06:01,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:06:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 232 transitions. [2024-12-02 12:06:01,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 12:06:01,233 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:06:01,233 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:01,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:01,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:01,434 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:06:01,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:06:01,434 INFO L85 PathProgramCache]: Analyzing trace with hash -40614698, now seen corresponding path program 1 times [2024-12-02 12:06:01,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:06:01,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709425342] [2024-12-02 12:06:01,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:06:01,435 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 12:06:01,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:06:01,436 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:06:01,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-12-02 12:06:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:02,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 12:06:02,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:06:05,726 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:06:05,727 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:06:08,857 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:06:08,857 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:06:08,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709425342] [2024-12-02 12:06:08,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709425342] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:06:08,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:06:08,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-12-02 12:06:08,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025630887] [2024-12-02 12:06:08,857 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:06:08,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 12:06:08,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:06:08,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 12:06:08,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:06:08,858 INFO L87 Difference]: Start difference. First operand 179 states and 232 transitions. Second operand has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 12:06:13,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:06:17,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:06:21,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:06:25,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:06:29,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:06:35,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:06:39,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:06:43,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:06:47,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:06:51,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:06:55,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:06:59,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:07:05,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:07:09,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:07:13,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:07:14,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:07:14,228 INFO L93 Difference]: Finished difference Result 444 states and 573 transitions. [2024-12-02 12:07:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 12:07:14,229 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) Word has length 116 [2024-12-02 12:07:14,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:07:14,233 INFO L225 Difference]: With dead ends: 444 [2024-12-02 12:07:14,233 INFO L226 Difference]: Without dead ends: 284 [2024-12-02 12:07:14,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-12-02 12:07:14,235 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 324 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 100 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:07:14,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 334 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 346 Invalid, 14 Unknown, 0 Unchecked, 63.4s Time] [2024-12-02 12:07:14,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-12-02 12:07:14,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 180. [2024-12-02 12:07:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 130 states have (on average 1.1923076923076923) internal successors, (155), 132 states have internal predecessors, (155), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 12:07:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 231 transitions. [2024-12-02 12:07:14,270 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 231 transitions. Word has length 116 [2024-12-02 12:07:14,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:07:14,270 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 231 transitions. [2024-12-02 12:07:14,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 12:07:14,270 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 231 transitions. [2024-12-02 12:07:14,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 12:07:14,273 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:07:14,273 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:07:14,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-12-02 12:07:14,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:07:14,474 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:07:14,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:07:14,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1664543706, now seen corresponding path program 1 times [2024-12-02 12:07:14,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:07:14,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1125214658] [2024-12-02 12:07:14,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:07:14,475 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 12:07:14,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:07:14,476 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:07:14,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:07:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:07:15,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:07:15,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:07:18,427 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 12:07:18,427 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:07:18,427 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:07:18,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1125214658] [2024-12-02 12:07:18,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1125214658] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:07:18,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:07:18,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:07:18,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991801763] [2024-12-02 12:07:18,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:07:18,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:07:18,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:07:18,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:07:18,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:07:18,429 INFO L87 Difference]: Start difference. First operand 180 states and 231 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:07:22,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:07:22,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:07:22,821 INFO L93 Difference]: Finished difference Result 341 states and 438 transitions. [2024-12-02 12:07:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:07:22,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 117 [2024-12-02 12:07:22,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:07:22,938 INFO L225 Difference]: With dead ends: 341 [2024-12-02 12:07:22,938 INFO L226 Difference]: Without dead ends: 180 [2024-12-02 12:07:22,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:07:22,939 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 26 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:07:22,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 90 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 12:07:22,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-12-02 12:07:22,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-12-02 12:07:22,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 130 states have (on average 1.176923076923077) internal successors, (153), 132 states have internal predecessors, (153), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 12:07:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 229 transitions. [2024-12-02 12:07:22,958 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 229 transitions. Word has length 117 [2024-12-02 12:07:22,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:07:22,958 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 229 transitions. [2024-12-02 12:07:22,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:07:22,958 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 229 transitions. [2024-12-02 12:07:22,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 12:07:22,959 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:07:22,960 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:07:22,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 12:07:23,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:07:23,160 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:07:23,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:07:23,161 INFO L85 PathProgramCache]: Analyzing trace with hash -299578101, now seen corresponding path program 1 times [2024-12-02 12:07:23,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:07:23,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108691347] [2024-12-02 12:07:23,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:07:23,161 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 12:07:23,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:07:23,162 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:07:23,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ef0dbb-6fbb-436b-beb0-cdf8bfd66fc4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-12-02 12:07:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:07:24,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 12:07:24,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:07:39,929 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:07:48,174 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:08:02,405 WARN L286 SmtUtils]: Spent 6.85s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:08:10,620 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:08:14,688 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_17~0))) (and (= c_~var_1_7~0 c_~var_1_5~0) (bvsle .cse0 (_ bv1 32)) (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv0 32)) (bvsge .cse0 (_ bv1 32)) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0))) (fp.eq (fp.div c_currentRoundingMode .cse1 c_~var_1_9~0) .cse1)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-12-02 12:08:18,814 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_17~0))) (and (= c_~var_1_7~0 c_~var_1_5~0) (bvsle .cse0 (_ bv1 32)) (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv0 32)) (bvsge .cse0 (_ bv1 32)) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0))) (fp.eq (fp.div c_currentRoundingMode .cse1 c_~var_1_9~0) .cse1)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2024-12-02 12:08:26,962 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:08:35,183 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:08:45,263 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:08:50,542 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:08:58,753 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:09:06,882 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:09:13,181 WARN L286 SmtUtils]: Spent 6.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:09:21,385 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:09:29,592 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:09:37,971 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:09:46,190 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:09:54,320 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:10:03,701 WARN L286 SmtUtils]: Spent 5.70s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:10:10,765 WARN L286 SmtUtils]: Spent 7.06s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:10:16,936 WARN L286 SmtUtils]: Spent 6.17s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:10:25,150 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:10:31,467 WARN L286 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:10:39,692 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:10:48,068 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:10:56,294 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:11:00,357 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ zero_extend 16) c_~var_1_5~0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_17~0)) (.cse0 (bvugt c_~var_1_29~0 .cse3))) (and (or (not (bvult c_~var_1_29~0 (_ bv4 32))) (not .cse0)) (= c_~var_1_7~0 c_~var_1_5~0) (bvsle .cse1 (_ bv1 32)) (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv0 32)) (bvsge .cse1 (_ bv1 32)) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0))) (fp.eq (fp.div c_currentRoundingMode .cse2 c_~var_1_9~0) .cse2)) (= c_currentRoundingMode roundNearestTiesToEven) (or .cse0 (not (bvult .cse3 (_ bv4 32))))))) is different from false [2024-12-02 12:11:04,468 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ zero_extend 16) c_~var_1_5~0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_17~0)) (.cse0 (bvugt c_~var_1_29~0 .cse3))) (and (or (not (bvult c_~var_1_29~0 (_ bv4 32))) (not .cse0)) (= c_~var_1_7~0 c_~var_1_5~0) (bvsle .cse1 (_ bv1 32)) (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv0 32)) (bvsge .cse1 (_ bv1 32)) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0))) (fp.eq (fp.div c_currentRoundingMode .cse2 c_~var_1_9~0) .cse2)) (= c_currentRoundingMode roundNearestTiesToEven) (or .cse0 (not (bvult .cse3 (_ bv4 32))))))) is different from true [2024-12-02 12:11:12,311 WARN L286 SmtUtils]: Spent 7.83s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:11:20,562 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:11:28,811 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:11:37,058 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:11:45,295 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:11:53,533 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:12:01,766 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:12:09,998 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:12:18,239 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:12:26,486 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:12:34,739 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:12:42,977 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:12:51,228 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:12:59,695 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:13:07,940 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:13:16,178 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:13:20,251 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ zero_extend 16) c_~var_1_5~0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_17~0)) (.cse0 (bvugt c_~var_1_29~0 .cse6))) (and (or (not (bvult c_~var_1_29~0 (_ bv4 32))) (not .cse0)) (= c_~var_1_7~0 c_~var_1_5~0) (bvsle .cse1 (_ bv1 32)) (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv0 32)) (= c_~var_1_31~0 c_~var_1_17~0) (let ((.cse4 ((_ sign_extend 24) c_~var_1_20~0)) (.cse3 ((_ sign_extend 24) c_~var_1_21~0))) (let ((.cse2 (bvsgt .cse4 .cse3))) (or (and (not .cse2) (= ((_ extract 7 0) .cse3) c_~var_1_19~0)) (and (= ((_ extract 7 0) .cse4) c_~var_1_19~0) .cse2)))) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0) c_~var_1_30~0) (bvsge .cse1 (_ bv1 32)) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0))) (fp.eq (fp.div c_currentRoundingMode .cse5 c_~var_1_9~0) .cse5)) (= c_currentRoundingMode roundNearestTiesToEven) (or .cse0 (not (bvult .cse6 (_ bv4 32))))))) is different from false [2024-12-02 12:13:24,367 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ zero_extend 16) c_~var_1_5~0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_17~0)) (.cse0 (bvugt c_~var_1_29~0 .cse6))) (and (or (not (bvult c_~var_1_29~0 (_ bv4 32))) (not .cse0)) (= c_~var_1_7~0 c_~var_1_5~0) (bvsle .cse1 (_ bv1 32)) (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv0 32)) (= c_~var_1_31~0 c_~var_1_17~0) (let ((.cse4 ((_ sign_extend 24) c_~var_1_20~0)) (.cse3 ((_ sign_extend 24) c_~var_1_21~0))) (let ((.cse2 (bvsgt .cse4 .cse3))) (or (and (not .cse2) (= ((_ extract 7 0) .cse3) c_~var_1_19~0)) (and (= ((_ extract 7 0) .cse4) c_~var_1_19~0) .cse2)))) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0) c_~var_1_30~0) (bvsge .cse1 (_ bv1 32)) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0))) (fp.eq (fp.div c_currentRoundingMode .cse5 c_~var_1_9~0) .cse5)) (= c_currentRoundingMode roundNearestTiesToEven) (or .cse0 (not (bvult .cse6 (_ bv4 32))))))) is different from true [2024-12-02 12:13:32,530 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:13:40,779 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:13:49,029 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:13:57,279 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:14:05,534 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:14:13,778 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:14:22,036 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:14:30,295 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:14:38,542 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:14:46,797 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:14:55,046 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:15:16,069 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:15:24,324 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:15:32,760 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:15:45,405 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ zero_extend 16) c_~var_1_5~0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_17~0)) (.cse0 (bvugt c_~var_1_29~0 .cse6))) (and (or (not (bvult c_~var_1_29~0 (_ bv4 32))) (not .cse0)) (= c_~var_1_7~0 c_~var_1_5~0) (bvsle .cse1 (_ bv1 32)) (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv0 32)) (= c_~var_1_31~0 c_~var_1_17~0) (= (_ bv0 8) c_~var_1_16~0) (let ((.cse4 ((_ sign_extend 24) c_~var_1_20~0)) (.cse3 ((_ sign_extend 24) c_~var_1_21~0))) (let ((.cse2 (bvsgt .cse4 .cse3))) (or (and (not .cse2) (= ((_ extract 7 0) .cse3) c_~var_1_19~0)) (and (= ((_ extract 7 0) .cse4) c_~var_1_19~0) .cse2)))) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0) c_~var_1_30~0) (fp.eq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 9.0 2.0))) (bvsge .cse1 (_ bv1 32)) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0))) (fp.eq (fp.div c_currentRoundingMode .cse5 c_~var_1_9~0) .cse5)) (= c_currentRoundingMode roundNearestTiesToEven) (or .cse0 (not (bvult .cse6 (_ bv4 32))))))) is different from false [2024-12-02 12:15:49,535 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ zero_extend 16) c_~var_1_5~0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_17~0)) (.cse0 (bvugt c_~var_1_29~0 .cse6))) (and (or (not (bvult c_~var_1_29~0 (_ bv4 32))) (not .cse0)) (= c_~var_1_7~0 c_~var_1_5~0) (bvsle .cse1 (_ bv1 32)) (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv0 32)) (= c_~var_1_31~0 c_~var_1_17~0) (= (_ bv0 8) c_~var_1_16~0) (let ((.cse4 ((_ sign_extend 24) c_~var_1_20~0)) (.cse3 ((_ sign_extend 24) c_~var_1_21~0))) (let ((.cse2 (bvsgt .cse4 .cse3))) (or (and (not .cse2) (= ((_ extract 7 0) .cse3) c_~var_1_19~0)) (and (= ((_ extract 7 0) .cse4) c_~var_1_19~0) .cse2)))) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0) c_~var_1_30~0) (fp.eq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 9.0 2.0))) (bvsge .cse1 (_ bv1 32)) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0))) (fp.eq (fp.div c_currentRoundingMode .cse5 c_~var_1_9~0) .cse5)) (= c_currentRoundingMode roundNearestTiesToEven) (or .cse0 (not (bvult .cse6 (_ bv4 32))))))) is different from true [2024-12-02 12:15:56,157 WARN L286 SmtUtils]: Spent 6.61s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:16:04,408 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:16:12,665 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:16:20,912 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:16:29,151 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:16:35,979 WARN L286 SmtUtils]: Spent 6.83s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:16:44,217 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:17:03,208 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:17:11,458 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:17:19,695 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)