./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-30.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_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/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_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/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_3eac7e8c-3e63-4073-a411-c42906a4ebc0/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 38526776a693b4ffaab3ce5e3a9c97afd4dc7250f4845cbff8946548d6faa730 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:03:15,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:03:15,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:03:15,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:03:15,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:03:15,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:03:15,141 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:03:15,142 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:03:15,142 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:03:15,142 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:03:15,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:03:15,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:03:15,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:03:15,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:03:15,143 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:03:15,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:03:15,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:03:15,143 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:03:15,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:03:15,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:03:15,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:03:15,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:03:15,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:03:15,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:03:15,144 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:03:15,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:03:15,144 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:03:15,144 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:03:15,144 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:03:15,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:03:15,144 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:03:15,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:03:15,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:03:15,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:03:15,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:03:15,144 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:03:15,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:03:15,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:03:15,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:03:15,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:03:15,145 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:03:15,145 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:03:15,145 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:03:15,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:03:15,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:03:15,145 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:03:15,145 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:03:15,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:03:15,145 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_3eac7e8c-3e63-4073-a411-c42906a4ebc0/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 -> 38526776a693b4ffaab3ce5e3a9c97afd4dc7250f4845cbff8946548d6faa730 [2024-12-02 13:03:15,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:03:15,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:03:15,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:03:15,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:03:15,407 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:03:15,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-30.i [2024-12-02 13:03:18,027 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/data/17a759193/a3b52625dad944c28d7c8149e3a37ed6/FLAGdab8b1260 [2024-12-02 13:03:18,227 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:03:18,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-30.i [2024-12-02 13:03:18,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/data/17a759193/a3b52625dad944c28d7c8149e3a37ed6/FLAGdab8b1260 [2024-12-02 13:03:18,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/data/17a759193/a3b52625dad944c28d7c8149e3a37ed6 [2024-12-02 13:03:18,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:03:18,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:03:18,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:03:18,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:03:18,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:03:18,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aebc6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18, skipping insertion in model container [2024-12-02 13:03:18,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:03:18,752 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_3eac7e8c-3e63-4073-a411-c42906a4ebc0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-30.i[915,928] [2024-12-02 13:03:18,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:03:18,802 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:03:18,813 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_3eac7e8c-3e63-4073-a411-c42906a4ebc0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-30.i[915,928] [2024-12-02 13:03:18,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:03:18,846 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:03:18,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18 WrapperNode [2024-12-02 13:03:18,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:03:18,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:03:18,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:03:18,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:03:18,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,879 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-12-02 13:03:18,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:03:18,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:03:18,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:03:18,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:03:18,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,891 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,902 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 13:03:18,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,907 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:03:18,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:03:18,916 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:03:18,916 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:03:18,917 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18" (1/1) ... [2024-12-02 13:03:18,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:03:18,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:03:18,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:03:18,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:03:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:03:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:03:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:03:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:03:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:03:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:03:19,037 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:03:19,038 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:03:19,266 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-02 13:03:19,266 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:03:19,275 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:03:19,276 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:03:19,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:19 BoogieIcfgContainer [2024-12-02 13:03:19,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:03:19,278 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:03:19,278 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:03:19,281 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:03:19,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:03:18" (1/3) ... [2024-12-02 13:03:19,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a1d169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:03:19, skipping insertion in model container [2024-12-02 13:03:19,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:18" (2/3) ... [2024-12-02 13:03:19,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a1d169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:03:19, skipping insertion in model container [2024-12-02 13:03:19,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:19" (3/3) ... [2024-12-02 13:03:19,283 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-30.i [2024-12-02 13:03:19,295 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:03:19,296 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-30.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:03:19,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:03:19,350 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;@2a029042, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:03:19,350 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:03:19,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 47 states have (on average 1.4893617021276595) internal successors, (70), 48 states have internal predecessors, (70), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 13:03:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 13:03:19,359 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:03:19,359 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:19,360 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:03:19,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:03:19,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1637055942, now seen corresponding path program 1 times [2024-12-02 13:03:19,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:03:19,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46245499] [2024-12-02 13:03:19,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:19,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:03:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:03:19,540 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-12-02 13:03:19,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:03:19,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46245499] [2024-12-02 13:03:19,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46245499] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:03:19,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621884587] [2024-12-02 13:03:19,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:19,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:03:19,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:03:19,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:03:19,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:03:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:03:19,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:03:19,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:03:19,682 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-12-02 13:03:19,682 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:03:19,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621884587] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:03:19,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:03:19,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:03:19,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636292938] [2024-12-02 13:03:19,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:03:19,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:03:19,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:03:19,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:03:19,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:03:19,713 INFO L87 Difference]: Start difference. First operand has 60 states, 47 states have (on average 1.4893617021276595) internal successors, (70), 48 states have internal predecessors, (70), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 13:03:19,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:03:19,733 INFO L93 Difference]: Finished difference Result 113 states and 184 transitions. [2024-12-02 13:03:19,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:03:19,735 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 78 [2024-12-02 13:03:19,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:03:19,740 INFO L225 Difference]: With dead ends: 113 [2024-12-02 13:03:19,740 INFO L226 Difference]: Without dead ends: 56 [2024-12-02 13:03:19,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 79 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 13:03:19,745 INFO L435 NwaCegarLoop]: 83 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, 83 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 13:03:19,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:03:19,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-02 13:03:19,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-12-02 13:03:19,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 44 states have internal predecessors, (63), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 13:03:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 83 transitions. [2024-12-02 13:03:19,773 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 83 transitions. Word has length 78 [2024-12-02 13:03:19,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:03:19,773 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 83 transitions. [2024-12-02 13:03:19,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 13:03:19,773 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-12-02 13:03:19,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 13:03:19,775 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:03:19,775 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:19,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:03:19,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:03:19,976 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:03:19,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:03:19,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1038080014, now seen corresponding path program 1 times [2024-12-02 13:03:19,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:03:19,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154077041] [2024-12-02 13:03:19,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:19,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:03:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:03:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 13:03:20,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:03:20,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154077041] [2024-12-02 13:03:20,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154077041] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:03:20,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:03:20,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:03:20,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196205941] [2024-12-02 13:03:20,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:03:20,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:03:20,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:03:20,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:03:20,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:03:20,280 INFO L87 Difference]: Start difference. First operand 56 states and 83 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 13:03:20,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:03:20,402 INFO L93 Difference]: Finished difference Result 189 states and 285 transitions. [2024-12-02 13:03:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:03:20,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 78 [2024-12-02 13:03:20,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:03:20,405 INFO L225 Difference]: With dead ends: 189 [2024-12-02 13:03:20,405 INFO L226 Difference]: Without dead ends: 136 [2024-12-02 13:03:20,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:03:20,406 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 108 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:03:20,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 263 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:03:20,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-12-02 13:03:20,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 107. [2024-12-02 13:03:20,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 84 states have internal predecessors, (119), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:03:20,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 159 transitions. [2024-12-02 13:03:20,422 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 159 transitions. Word has length 78 [2024-12-02 13:03:20,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:03:20,422 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 159 transitions. [2024-12-02 13:03:20,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 13:03:20,423 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 159 transitions. [2024-12-02 13:03:20,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-02 13:03:20,425 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:03:20,425 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:20,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:03:20,426 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:03:20,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:03:20,426 INFO L85 PathProgramCache]: Analyzing trace with hash 283548741, now seen corresponding path program 1 times [2024-12-02 13:03:20,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:03:20,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007692816] [2024-12-02 13:03:20,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:20,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:03:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:03:20,989 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-02 13:03:20,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:03:20,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007692816] [2024-12-02 13:03:20,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007692816] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:03:20,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37229619] [2024-12-02 13:03:20,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:20,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:03:20,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:03:20,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:03:20,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:03:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:03:21,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 13:03:21,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:03:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 20 proven. 48 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 13:03:21,327 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:03:21,518 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-02 13:03:21,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37229619] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:03:21,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:03:21,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 13 [2024-12-02 13:03:21,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536632754] [2024-12-02 13:03:21,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:03:21,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:03:21,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:03:21,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:03:21,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:03:21,520 INFO L87 Difference]: Start difference. First operand 107 states and 159 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 13:03:21,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:03:21,783 INFO L93 Difference]: Finished difference Result 178 states and 253 transitions. [2024-12-02 13:03:21,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:03:21,784 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 79 [2024-12-02 13:03:21,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:03:21,785 INFO L225 Difference]: With dead ends: 178 [2024-12-02 13:03:21,785 INFO L226 Difference]: Without dead ends: 125 [2024-12-02 13:03:21,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 152 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:03:21,786 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 258 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:03:21,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 233 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:03:21,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-12-02 13:03:21,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2024-12-02 13:03:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 96 states have (on average 1.34375) internal successors, (129), 96 states have internal predecessors, (129), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:03:21,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 169 transitions. [2024-12-02 13:03:21,805 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 169 transitions. Word has length 79 [2024-12-02 13:03:21,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:03:21,806 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 169 transitions. [2024-12-02 13:03:21,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 13:03:21,806 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 169 transitions. [2024-12-02 13:03:21,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 13:03:21,807 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:03:21,807 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:21,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 13:03:22,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-12-02 13:03:22,008 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:03:22,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:03:22,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1799865320, now seen corresponding path program 1 times [2024-12-02 13:03:22,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:03:22,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87613558] [2024-12-02 13:03:22,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:22,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:03:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:03:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 13:03:22,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:03:22,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87613558] [2024-12-02 13:03:22,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87613558] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:03:22,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:03:22,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:03:22,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933745006] [2024-12-02 13:03:22,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:03:22,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:03:22,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:03:22,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:03:22,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:03:22,077 INFO L87 Difference]: Start difference. First operand 123 states and 169 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 13:03:22,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:03:22,117 INFO L93 Difference]: Finished difference Result 243 states and 335 transitions. [2024-12-02 13:03:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:03:22,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 80 [2024-12-02 13:03:22,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:03:22,119 INFO L225 Difference]: With dead ends: 243 [2024-12-02 13:03:22,119 INFO L226 Difference]: Without dead ends: 123 [2024-12-02 13:03:22,120 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 13:03:22,121 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:03:22,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:03:22,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-12-02 13:03:22,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-12-02 13:03:22,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 96 states have (on average 1.3229166666666667) internal successors, (127), 96 states have internal predecessors, (127), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:03:22,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2024-12-02 13:03:22,137 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 80 [2024-12-02 13:03:22,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:03:22,137 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2024-12-02 13:03:22,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 13:03:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2024-12-02 13:03:22,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-02 13:03:22,139 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:03:22,139 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:22,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:03:22,140 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:03:22,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:03:22,140 INFO L85 PathProgramCache]: Analyzing trace with hash 186109326, now seen corresponding path program 1 times [2024-12-02 13:03:22,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:03:22,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372307456] [2024-12-02 13:03:22,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:22,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:03:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:03:22,464 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 13:03:22,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:03:22,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372307456] [2024-12-02 13:03:22,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372307456] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:03:22,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:03:22,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:03:22,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571916251] [2024-12-02 13:03:22,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:03:22,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:03:22,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:03:22,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:03:22,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:03:22,466 INFO L87 Difference]: Start difference. First operand 123 states and 167 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 13:03:22,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:03:22,554 INFO L93 Difference]: Finished difference Result 212 states and 290 transitions. [2024-12-02 13:03:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:03:22,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 81 [2024-12-02 13:03:22,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:03:22,556 INFO L225 Difference]: With dead ends: 212 [2024-12-02 13:03:22,556 INFO L226 Difference]: Without dead ends: 151 [2024-12-02 13:03:22,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:03:22,557 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 38 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:03:22,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 213 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:03:22,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-12-02 13:03:22,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 127. [2024-12-02 13:03:22,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 100 states have (on average 1.31) internal successors, (131), 100 states have internal predecessors, (131), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:03:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 171 transitions. [2024-12-02 13:03:22,571 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 171 transitions. Word has length 81 [2024-12-02 13:03:22,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:03:22,571 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 171 transitions. [2024-12-02 13:03:22,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 13:03:22,572 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 171 transitions. [2024-12-02 13:03:22,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-02 13:03:22,573 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:03:22,573 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:22,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:03:22,573 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:03:22,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:03:22,574 INFO L85 PathProgramCache]: Analyzing trace with hash -72056112, now seen corresponding path program 1 times [2024-12-02 13:03:22,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:03:22,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81556194] [2024-12-02 13:03:22,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:22,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:03:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:03:22,608 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:03:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:03:22,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:03:22,663 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:03:22,664 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:03:22,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:03:22,667 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 13:03:22,714 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:03:22,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:03:22 BoogieIcfgContainer [2024-12-02 13:03:22,716 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:03:22,717 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:03:22,717 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:03:22,717 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:03:22,717 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:19" (3/4) ... [2024-12-02 13:03:22,719 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:03:22,720 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:03:22,721 INFO L158 Benchmark]: Toolchain (without parser) took 4116.00ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 49.0MB in the end (delta: 68.2MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2024-12-02 13:03:22,721 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:03:22,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.12ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 104.0MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:03:22,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.33ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:03:22,722 INFO L158 Benchmark]: Boogie Preprocessor took 35.40ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:03:22,722 INFO L158 Benchmark]: RCFGBuilder took 360.06ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 83.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:03:22,722 INFO L158 Benchmark]: TraceAbstraction took 3438.59ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 50.3MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-12-02 13:03:22,723 INFO L158 Benchmark]: Witness Printer took 3.48ms. Allocated memory is still 142.6MB. Free memory was 50.3MB in the beginning and 49.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:03:22,724 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.12ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 104.0MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.33ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.40ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.06ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 83.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3438.59ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 50.3MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 3.48ms. Allocated memory is still 142.6MB. Free memory was 50.3MB in the beginning and 49.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 109, overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 111. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] double var_1_5 = 127.5; [L25] double var_1_7 = 10000000000000.125; [L26] double var_1_8 = 1.25; [L27] double var_1_10 = 25.7; [L28] signed long int var_1_11 = -2; [L29] signed long int var_1_13 = 5; [L30] signed long int var_1_14 = 128; [L31] signed long int var_1_15 = 1000; [L32] double var_1_16 = 0.2; [L33] double var_1_17 = 0.25; [L34] double var_1_18 = 99999999999999.5; [L35] unsigned char last_1_var_1_1 = 1; [L36] signed long int last_1_var_1_11 = -2; [L37] signed long int last_1_var_1_15 = 1000; [L38] double last_1_var_1_16 = 0.2; VAL [isInitial=0, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=0, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L124] isInitial = 1 [L125] FCALL initially() [L127] CALL updateLastVariables() [L114] last_1_var_1_1 = var_1_1 [L115] last_1_var_1_11 = var_1_11 [L116] last_1_var_1_15 = var_1_15 [L117] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=0, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L127] RET updateLastVariables() [L128] CALL updateVariables() [L95] var_1_4 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L96] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L97] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L97] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L98] var_1_7 = __VERIFIER_nondet_double() [L99] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L99] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L100] var_1_10 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L101] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L102] var_1_13 = __VERIFIER_nondet_long() [L103] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L103] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L104] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L104] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L105] var_1_14 = __VERIFIER_nondet_long() [L106] CALL assume_abort_if_not(var_1_14 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L106] RET assume_abort_if_not(var_1_14 >= -2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L107] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L107] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L108] var_1_17 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L109] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L110] var_1_18 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L111] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L128] RET updateVariables() [L129] CALL step() [L42] COND TRUE \read(last_1_var_1_1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L43] COND TRUE ((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16 [L44] var_1_11 = ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L49] signed long int stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L50] COND TRUE (last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= stepLocal_0 [L51] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_1=-255, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L53] signed long int stepLocal_2 = var_1_11; [L54] unsigned char stepLocal_1 = var_1_1; VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_1=-255, stepLocal_2=1000, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_1=-255, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L55] COND TRUE \read(var_1_1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_1=-255, stepLocal_2=1000, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_1=-255, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L56] COND TRUE var_1_11 >= stepLocal_2 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_1=-255, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_1=-255, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L57] COND TRUE stepLocal_1 || (var_1_11 < var_1_11) [L58] var_1_5 = var_1_7 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=5/4] [L64] EXPR var_1_11 & var_1_13 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=1000, var_1_16=1/5, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=5/4] [L64] COND FALSE !((- var_1_11) > (var_1_11 & var_1_13)) [L75] var_1_15 = var_1_13 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=0, var_1_16=1/5, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=5/4] [L77] COND TRUE ((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7 [L78] var_1_16 = (var_1_17 + (var_1_18 + 16.75)) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=0, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=5/4] [L82] COND FALSE !(10.55f < var_1_16) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=0, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=5/4] [L87] COND TRUE var_1_16 > var_1_7 [L88] var_1_8 = var_1_10 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000004, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=0, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=100000000000004] [L129] RET step() [L130] CALL, EXPR property() [L120] EXPR ((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13))) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000004, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=0, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=100000000000004] [L120-L121] return (((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13)))) && ((((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7) ? (var_1_16 == ((double) (var_1_17 + (var_1_18 + 16.75)))) : (var_1_16 == ((double) var_1_17))) ; [L130] RET, EXPR property() [L130] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000004, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=0, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=100000000000004] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000004, var_1_11=1000, var_1_13=0, var_1_14=1001, var_1_15=0, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=100000000000004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 6, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 405 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 404 mSDsluCounter, 927 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 505 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 197 IncrementalHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 422 mSDtfsCounter, 197 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 241 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=5, InterpolantAutomatonStates: 25, 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, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 634 NumberOfCodeBlocks, 634 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 624 ConstructedInterpolants, 0 QuantifiedInterpolants, 1298 SizeOfPredicates, 1 NumberOfNonLiveVariables, 418 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 1320/1440 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 13:03:22,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/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_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/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_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/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_3eac7e8c-3e63-4073-a411-c42906a4ebc0/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 38526776a693b4ffaab3ce5e3a9c97afd4dc7250f4845cbff8946548d6faa730 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:03:24,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:03:24,738 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:03:24,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:03:24,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:03:24,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:03:24,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:03:24,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:03:24,767 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:03:24,767 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:03:24,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:03:24,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:03:24,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:03:24,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:03:24,768 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:03:24,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:03:24,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:03:24,768 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:03:24,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:03:24,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:03:24,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:03:24,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:03:24,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:03:24,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:03:24,769 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:03:24,769 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:03:24,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:03:24,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:03:24,769 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:03:24,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:03:24,769 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:03:24,769 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:03:24,769 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:03:24,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:03:24,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:03:24,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:03:24,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:03:24,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:03:24,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:03:24,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:03:24,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:03:24,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:03:24,770 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:03:24,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:03:24,771 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:03:24,771 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:03:24,771 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:03:24,771 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:03:24,771 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:03:24,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:03:24,771 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_3eac7e8c-3e63-4073-a411-c42906a4ebc0/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 -> 38526776a693b4ffaab3ce5e3a9c97afd4dc7250f4845cbff8946548d6faa730 [2024-12-02 13:03:24,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:03:25,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:03:25,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:03:25,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:03:25,003 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:03:25,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-30.i [2024-12-02 13:03:27,643 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/data/3577de649/8b0e1ebd17d24d189c8a2f42f0c6bcb8/FLAGdcd83e92f [2024-12-02 13:03:27,858 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:03:27,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-30.i [2024-12-02 13:03:27,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/data/3577de649/8b0e1ebd17d24d189c8a2f42f0c6bcb8/FLAGdcd83e92f [2024-12-02 13:03:28,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/data/3577de649/8b0e1ebd17d24d189c8a2f42f0c6bcb8 [2024-12-02 13:03:28,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:03:28,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:03:28,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:03:28,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:03:28,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:03:28,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0224b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28, skipping insertion in model container [2024-12-02 13:03:28,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:03:28,351 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_3eac7e8c-3e63-4073-a411-c42906a4ebc0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-30.i[915,928] [2024-12-02 13:03:28,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:03:28,399 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:03:28,406 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_3eac7e8c-3e63-4073-a411-c42906a4ebc0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-30.i[915,928] [2024-12-02 13:03:28,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:03:28,440 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:03:28,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28 WrapperNode [2024-12-02 13:03:28,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:03:28,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:03:28,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:03:28,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:03:28,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,476 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-12-02 13:03:28,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:03:28,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:03:28,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:03:28,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:03:28,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,488 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,499 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 13:03:28,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,507 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:03:28,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:03:28,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:03:28,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:03:28,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28" (1/1) ... [2024-12-02 13:03:28,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:03:28,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:03:28,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:03:28,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:03:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:03:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:03:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:03:28,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:03:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:03:28,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:03:28,626 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:03:28,627 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:03:36,164 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 13:03:36,165 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:03:36,174 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:03:36,174 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:03:36,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:36 BoogieIcfgContainer [2024-12-02 13:03:36,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:03:36,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:03:36,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:03:36,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:03:36,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:03:28" (1/3) ... [2024-12-02 13:03:36,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304b7b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:03:36, skipping insertion in model container [2024-12-02 13:03:36,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:28" (2/3) ... [2024-12-02 13:03:36,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304b7b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:03:36, skipping insertion in model container [2024-12-02 13:03:36,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:36" (3/3) ... [2024-12-02 13:03:36,183 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-30.i [2024-12-02 13:03:36,196 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:03:36,197 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-30.i that has 2 procedures, 51 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:03:36,236 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:03:36,244 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;@4b06f695, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:03:36,245 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:03:36,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 39 states have internal predecessors, (56), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 13:03:36,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-02 13:03:36,256 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:03:36,256 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:36,257 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:03:36,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:03:36,261 INFO L85 PathProgramCache]: Analyzing trace with hash 8599864, now seen corresponding path program 1 times [2024-12-02 13:03:36,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:03:36,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357039627] [2024-12-02 13:03:36,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:36,271 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 13:03:36,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:03:36,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:03:36,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:03:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:03:36,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:03:36,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:03:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-12-02 13:03:36,732 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:03:36,732 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:03:36,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357039627] [2024-12-02 13:03:36,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357039627] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:03:36,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:03:36,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:03:36,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068367884] [2024-12-02 13:03:36,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:03:36,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:03:36,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:03:36,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:03:36,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:03:36,753 INFO L87 Difference]: Start difference. First operand has 51 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 39 states have internal predecessors, (56), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 13:03:36,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:03:36,769 INFO L93 Difference]: Finished difference Result 95 states and 156 transitions. [2024-12-02 13:03:36,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:03:36,771 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 75 [2024-12-02 13:03:36,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:03:36,775 INFO L225 Difference]: With dead ends: 95 [2024-12-02 13:03:36,775 INFO L226 Difference]: Without dead ends: 47 [2024-12-02 13:03:36,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 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 13:03:36,780 INFO L435 NwaCegarLoop]: 69 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, 69 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 13:03:36,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:03:36,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-12-02 13:03:36,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-12-02 13:03:36,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 35 states have (on average 1.4) internal successors, (49), 35 states have internal predecessors, (49), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 13:03:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2024-12-02 13:03:36,809 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 75 [2024-12-02 13:03:36,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:03:36,809 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions. [2024-12-02 13:03:36,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 13:03:36,810 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2024-12-02 13:03:36,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-02 13:03:36,812 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:03:36,812 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:36,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:03:37,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:03:37,013 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:03:37,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:03:37,014 INFO L85 PathProgramCache]: Analyzing trace with hash -657445248, now seen corresponding path program 1 times [2024-12-02 13:03:37,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:03:37,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805680551] [2024-12-02 13:03:37,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:37,014 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 13:03:37,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:03:37,016 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:03:37,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:03:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:03:37,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:03:37,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:03:37,972 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 13:03:37,972 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:03:37,972 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:03:37,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805680551] [2024-12-02 13:03:37,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [805680551] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:03:37,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:03:37,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:03:37,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125288231] [2024-12-02 13:03:37,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:03:37,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:03:37,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:03:37,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:03:37,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:03:37,975 INFO L87 Difference]: Start difference. First operand 47 states and 69 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 13:03:42,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:03:46,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:03:47,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:03:52,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:03:54,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:03:54,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:03:54,714 INFO L93 Difference]: Finished difference Result 153 states and 229 transitions. [2024-12-02 13:03:54,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:03:54,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 75 [2024-12-02 13:03:54,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:03:54,745 INFO L225 Difference]: With dead ends: 153 [2024-12-02 13:03:54,745 INFO L226 Difference]: Without dead ends: 109 [2024-12-02 13:03:54,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:03:54,746 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 77 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 23 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:03:54,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 207 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 16.7s Time] [2024-12-02 13:03:54,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-12-02 13:03:54,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 89. [2024-12-02 13:03:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 66 states have (on average 1.378787878787879) internal successors, (91), 66 states have internal predecessors, (91), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:03:54,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 131 transitions. [2024-12-02 13:03:54,761 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 131 transitions. Word has length 75 [2024-12-02 13:03:54,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:03:54,762 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 131 transitions. [2024-12-02 13:03:54,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 13:03:54,762 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 131 transitions. [2024-12-02 13:03:54,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-02 13:03:54,763 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:03:54,763 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:54,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:03:54,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:03:54,964 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:03:54,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:03:54,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1180210163, now seen corresponding path program 1 times [2024-12-02 13:03:54,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:03:54,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068545560] [2024-12-02 13:03:54,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:54,965 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 13:03:54,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:03:54,967 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:03:54,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:03:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:03:55,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:03:55,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:03:56,499 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 20 proven. 48 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 13:03:56,500 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:03:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-02 13:03:57,162 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:03:57,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068545560] [2024-12-02 13:03:57,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2068545560] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:03:57,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:03:57,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-12-02 13:03:57,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949050157] [2024-12-02 13:03:57,162 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:03:57,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 13:03:57,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:03:57,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 13:03:57,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:03:57,164 INFO L87 Difference]: Start difference. First operand 89 states and 131 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 13:04:02,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:04:06,131 WARN L539 Checker$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 13:04:09,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:04:09,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:04:09,624 INFO L93 Difference]: Finished difference Result 151 states and 211 transitions. [2024-12-02 13:04:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:04:09,625 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 76 [2024-12-02 13:04:09,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:04:09,626 INFO L225 Difference]: With dead ends: 151 [2024-12-02 13:04:09,626 INFO L226 Difference]: Without dead ends: 107 [2024-12-02 13:04:09,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-12-02 13:04:09,627 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 135 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 20 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:04:09,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 142 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 89 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2024-12-02 13:04:09,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-12-02 13:04:09,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2024-12-02 13:04:09,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 78 states have (on average 1.294871794871795) internal successors, (101), 78 states have internal predecessors, (101), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:04:09,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 141 transitions. [2024-12-02 13:04:09,638 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 141 transitions. Word has length 76 [2024-12-02 13:04:09,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:04:09,639 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 141 transitions. [2024-12-02 13:04:09,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 13:04:09,639 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2024-12-02 13:04:09,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-02 13:04:09,640 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:04:09,640 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:09,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:04:09,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:04:09,841 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:04:09,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:04:09,841 INFO L85 PathProgramCache]: Analyzing trace with hash 317856794, now seen corresponding path program 1 times [2024-12-02 13:04:09,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:04:09,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393049490] [2024-12-02 13:04:09,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:04:09,842 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 13:04:09,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:04:09,843 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:04:09,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:04:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:04:10,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:04:10,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:04:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 13:04:10,272 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:04:10,272 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:04:10,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393049490] [2024-12-02 13:04:10,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393049490] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:04:10,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:04:10,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:04:10,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193998433] [2024-12-02 13:04:10,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:04:10,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:04:10,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:04:10,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:04:10,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:04:10,273 INFO L87 Difference]: Start difference. First operand 105 states and 141 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 13:04:15,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:04:15,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:04:15,218 INFO L93 Difference]: Finished difference Result 207 states and 279 transitions. [2024-12-02 13:04:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:04:15,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 77 [2024-12-02 13:04:15,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:04:15,220 INFO L225 Difference]: With dead ends: 207 [2024-12-02 13:04:15,220 INFO L226 Difference]: Without dead ends: 105 [2024-12-02 13:04:15,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 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 13:04:15,221 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:04:15,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 13:04:15,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-12-02 13:04:15,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-12-02 13:04:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 78 states have (on average 1.2692307692307692) internal successors, (99), 78 states have internal predecessors, (99), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:04:15,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 139 transitions. [2024-12-02 13:04:15,233 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 139 transitions. Word has length 77 [2024-12-02 13:04:15,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:04:15,234 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 139 transitions. [2024-12-02 13:04:15,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 13:04:15,235 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 139 transitions. [2024-12-02 13:04:15,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 13:04:15,236 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:04:15,236 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:15,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:04:15,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:04:15,436 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:04:15,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:04:15,437 INFO L85 PathProgramCache]: Analyzing trace with hash -538392732, now seen corresponding path program 1 times [2024-12-02 13:04:15,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:04:15,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741442629] [2024-12-02 13:04:15,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:04:15,438 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 13:04:15,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:04:15,439 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:04:15,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:04:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:04:15,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 13:04:15,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:04:16,969 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 20 proven. 48 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 13:04:16,970 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:04:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-02 13:04:17,667 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:04:17,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741442629] [2024-12-02 13:04:17,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [741442629] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:04:17,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:04:17,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 14 [2024-12-02 13:04:17,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253663540] [2024-12-02 13:04:17,667 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:04:17,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:04:17,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:04:17,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:04:17,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:04:17,669 INFO L87 Difference]: Start difference. First operand 105 states and 139 transitions. Second operand has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 13:04:22,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:04:23,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:04:23,387 INFO L93 Difference]: Finished difference Result 209 states and 277 transitions. [2024-12-02 13:04:23,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:04:23,388 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 78 [2024-12-02 13:04:23,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:04:23,389 INFO L225 Difference]: With dead ends: 209 [2024-12-02 13:04:23,389 INFO L226 Difference]: Without dead ends: 107 [2024-12-02 13:04:23,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2024-12-02 13:04:23,391 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 115 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 40 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:04:23,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 224 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 160 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 13:04:23,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-12-02 13:04:23,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2024-12-02 13:04:23,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 78 states have internal predecessors, (97), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:04:23,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 137 transitions. [2024-12-02 13:04:23,401 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 137 transitions. Word has length 78 [2024-12-02 13:04:23,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:04:23,401 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 137 transitions. [2024-12-02 13:04:23,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 13:04:23,402 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2024-12-02 13:04:23,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 13:04:23,402 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:04:23,403 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:23,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:04:23,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:04:23,603 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:04:23,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:04:23,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1218451102, now seen corresponding path program 1 times [2024-12-02 13:04:23,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:04:23,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091796939] [2024-12-02 13:04:23,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:04:23,604 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 13:04:23,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:04:23,606 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:04:23,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eac7e8c-3e63-4073-a411-c42906a4ebc0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:04:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:04:24,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 13:04:24,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:05:20,479 WARN L286 SmtUtils]: Spent 13.63s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:06:10,835 WARN L286 SmtUtils]: Spent 15.75s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:06:18,973 WARN L286 SmtUtils]: Spent 8.11s 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 13:06:31,052 WARN L286 SmtUtils]: Spent 8.09s 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 13:06:39,148 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:06:47,273 WARN L286 SmtUtils]: Spent 8.12s 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 13:06:58,147 WARN L286 SmtUtils]: Spent 6.48s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:07:06,265 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:07:14,381 WARN L286 SmtUtils]: Spent 8.12s 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 13:07:20,535 WARN L286 SmtUtils]: Spent 6.15s 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 13:07:28,727 WARN L286 SmtUtils]: Spent 8.19s 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 13:07:39,561 WARN L286 SmtUtils]: Spent 8.11s 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 13:07:46,202 WARN L286 SmtUtils]: Spent 6.64s 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 13:07:54,321 WARN L286 SmtUtils]: Spent 8.12s 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 13:08:02,446 WARN L286 SmtUtils]: Spent 8.12s 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 13:08:09,553 WARN L286 SmtUtils]: Spent 7.11s 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 13:08:21,013 WARN L286 SmtUtils]: Spent 8.12s 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 13:08:33,909 WARN L286 SmtUtils]: Spent 8.13s 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 13:08:42,028 WARN L286 SmtUtils]: Spent 8.12s 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 13:08:48,362 WARN L286 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:08:54,436 WARN L286 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:09:00,931 WARN L286 SmtUtils]: Spent 6.49s 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 13:09:07,478 WARN L286 SmtUtils]: Spent 6.55s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:09:15,609 WARN L286 SmtUtils]: Spent 8.13s 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 13:09:23,757 WARN L286 SmtUtils]: Spent 8.15s 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 13:09:36,183 WARN L286 SmtUtils]: Spent 8.13s 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 13:09:48,634 WARN L286 SmtUtils]: Spent 8.13s 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 13:09:52,675 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse10))) (and (= (_ bv1 8) c_~last_1_var_1_1~0) (= c_~var_1_4~0 c_~var_1_1~0) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 211.0 20.0))) c_~var_1_16~0) (or (and (fp.geq c_~var_1_10~0 .cse0) (fp.leq c_~var_1_10~0 .cse1)) (and (fp.geq c_~var_1_10~0 .cse2) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)))) (= c_~var_1_15~0 c_~var_1_13~0) (let ((.cse8 (bvadd c_~var_1_13~0 (_ bv4294967291 32)))) (let ((.cse4 (= c_~last_1_var_1_15~0 c_~var_1_11~0)) (.cse6 (bvsgt .cse8 c_~var_1_14~0))) (or (and (let ((.cse5 (bvslt c_~last_1_var_1_15~0 c_~var_1_14~0))) (or (and .cse4 .cse5) (and (= c_~var_1_11~0 c_~var_1_14~0) (not .cse5)))) (not .cse6)) (and (let ((.cse7 (bvslt c_~last_1_var_1_15~0 .cse8))) (or (and (= (bvadd (_ bv5 32) c_~var_1_11~0) c_~var_1_13~0) (not .cse7)) (and .cse4 .cse7))) .cse6)))) (not (bvsgt (bvneg c_~var_1_11~0) (bvand c_~var_1_13~0 c_~var_1_11~0))) (let ((.cse9 (fp.gt c_~var_1_7~0 c_~var_1_10~0))) (or (and .cse9 (= c_~var_1_7~0 c_~var_1_8~0)) (and (not .cse9) (= c_~var_1_8~0 c_~var_1_10~0)))) (= c_~var_1_16~0 (fp.add c_currentRoundingMode c_~var_1_17~0 (fp.add c_currentRoundingMode c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0))))) (= c_~var_1_7~0 c_~var_1_5~0) (or (and (fp.geq c_~var_1_7~0 .cse0) (fp.leq c_~var_1_7~0 .cse1)) (fp.geq c_~var_1_7~0 .cse2)) (fp.geq c_~last_1_var_1_16~0 c_~var_1_7~0) (fp.gt c_~var_1_16~0 (fp.mul c_currentRoundingMode c_~var_1_7~0 c_~var_1_16~0)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false