./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-53.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_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB --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 48ff97b9a3af78a737a84e658c15b8d38a46f0a552b076decd87f4d89ed81dac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:21:17,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:21:18,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:21:18,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:21:18,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:21:18,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:21:18,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:21:18,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:21:18,152 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:21:18,152 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:21:18,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:21:18,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:21:18,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:21:18,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:21:18,154 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:21:18,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:21:18,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:21:18,155 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:21:18,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:21:18,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:21:18,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:21:18,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:21:18,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:21:18,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:21:18,156 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:21:18,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:21:18,157 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:21:18,157 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:21:18,157 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:21:18,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:21:18,158 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:21:18,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:21:18,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:21:18,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:21:18,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:21:18,159 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:21:18,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:21:18,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:21:18,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:21:18,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:21:18,160 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:21:18,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:21:18,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:21:18,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:21:18,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:21:18,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:21:18,161 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:21:18,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:21:18,161 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_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 48ff97b9a3af78a737a84e658c15b8d38a46f0a552b076decd87f4d89ed81dac [2024-11-28 05:21:18,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:21:18,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:21:18,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:21:18,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:21:18,580 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:21:18,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-53.i [2024-11-28 05:21:22,018 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/data/269c98b02/3165a563ddf547e182bc862415ff4a63/FLAG67d7118ea [2024-11-28 05:21:22,430 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:21:22,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-53.i [2024-11-28 05:21:22,452 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/data/269c98b02/3165a563ddf547e182bc862415ff4a63/FLAG67d7118ea [2024-11-28 05:21:22,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/data/269c98b02/3165a563ddf547e182bc862415ff4a63 [2024-11-28 05:21:22,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:21:22,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:21:22,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:21:22,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:21:22,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:21:22,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:21:22" (1/1) ... [2024-11-28 05:21:22,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7316be88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:22, skipping insertion in model container [2024-11-28 05:21:22,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:21:22" (1/1) ... [2024-11-28 05:21:22,650 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:21:22,849 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_32245231-bd7f-4dee-b018-7a1590a030fa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-53.i[915,928] [2024-11-28 05:21:22,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:21:22,956 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:21:22,969 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_32245231-bd7f-4dee-b018-7a1590a030fa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-53.i[915,928] [2024-11-28 05:21:23,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:21:23,025 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:21:23,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23 WrapperNode [2024-11-28 05:21:23,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:21:23,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:21:23,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:21:23,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:21:23,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23" (1/1) ... [2024-11-28 05:21:23,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23" (1/1) ... [2024-11-28 05:21:23,106 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2024-11-28 05:21:23,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:21:23,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:21:23,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:21:23,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:21:23,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23" (1/1) ... [2024-11-28 05:21:23,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23" (1/1) ... [2024-11-28 05:21:23,133 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23" (1/1) ... [2024-11-28 05:21:23,162 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]. [2024-11-28 05:21:23,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23" (1/1) ... [2024-11-28 05:21:23,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23" (1/1) ... [2024-11-28 05:21:23,178 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23" (1/1) ... [2024-11-28 05:21:23,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23" (1/1) ... [2024-11-28 05:21:23,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23" (1/1) ... [2024-11-28 05:21:23,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23" (1/1) ... [2024-11-28 05:21:23,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23" (1/1) ... [2024-11-28 05:21:23,206 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:21:23,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:21:23,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:21:23,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:21:23,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23" (1/1) ... [2024-11-28 05:21:23,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:21:23,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:21:23,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:21:23,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:21:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:21:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:21:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:21:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:21:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:21:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:21:23,420 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:21:23,424 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:21:23,932 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-28 05:21:23,932 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:21:23,946 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:21:23,946 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:21:23,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:21:23 BoogieIcfgContainer [2024-11-28 05:21:23,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:21:23,953 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:21:23,954 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:21:23,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:21:23,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:21:22" (1/3) ... [2024-11-28 05:21:23,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4748f0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:21:23, skipping insertion in model container [2024-11-28 05:21:23,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:23" (2/3) ... [2024-11-28 05:21:23,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4748f0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:21:23, skipping insertion in model container [2024-11-28 05:21:23,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:21:23" (3/3) ... [2024-11-28 05:21:23,969 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-53.i [2024-11-28 05:21:23,990 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:21:23,992 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-53.i that has 2 procedures, 76 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:21:24,087 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:21:24,101 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;@7a93fe65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:21:24,102 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:21:24,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 57 states have internal predecessors, (79), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 05:21:24,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-28 05:21:24,118 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:24,119 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:24,120 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:24,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:24,125 INFO L85 PathProgramCache]: Analyzing trace with hash 642238632, now seen corresponding path program 1 times [2024-11-28 05:21:24,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:24,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690591562] [2024-11-28 05:21:24,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:24,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:24,516 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 05:21:24,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:24,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690591562] [2024-11-28 05:21:24,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690591562] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:21:24,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694436157] [2024-11-28 05:21:24,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:24,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:21:24,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:21:24,527 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:21:24,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:21:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:24,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:21:24,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:21:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 05:21:24,902 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:21:24,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694436157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:24,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:21:24,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 05:21:24,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508328362] [2024-11-28 05:21:24,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:24,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:21:24,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:24,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:21:24,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:21:24,939 INFO L87 Difference]: Start difference. First operand has 76 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 57 states have internal predecessors, (79), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 05:21:24,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:24,980 INFO L93 Difference]: Finished difference Result 145 states and 237 transitions. [2024-11-28 05:21:24,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:21:24,982 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 117 [2024-11-28 05:21:24,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:24,989 INFO L225 Difference]: With dead ends: 145 [2024-11-28 05:21:24,989 INFO L226 Difference]: Without dead ends: 72 [2024-11-28 05:21:24,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:21:24,999 INFO L435 NwaCegarLoop]: 106 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, 106 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 [2024-11-28 05:21:25,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:21:25,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-28 05:21:25,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-28 05:21:25,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 53 states have internal predecessors, (72), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 05:21:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 106 transitions. [2024-11-28 05:21:25,053 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 106 transitions. Word has length 117 [2024-11-28 05:21:25,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:25,053 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 106 transitions. [2024-11-28 05:21:25,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 05:21:25,054 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2024-11-28 05:21:25,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-28 05:21:25,058 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:25,058 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:25,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:21:25,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 05:21:25,259 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:25,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:25,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1555853874, now seen corresponding path program 1 times [2024-11-28 05:21:25,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:25,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412028297] [2024-11-28 05:21:25,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:25,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:25,664 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 05:21:25,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:25,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412028297] [2024-11-28 05:21:25,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412028297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:25,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:25,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:21:25,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927452316] [2024-11-28 05:21:25,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:25,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:21:25,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:25,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:21:25,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:21:25,671 INFO L87 Difference]: Start difference. First operand 72 states and 106 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:25,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:25,805 INFO L93 Difference]: Finished difference Result 201 states and 297 transitions. [2024-11-28 05:21:25,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:21:25,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 117 [2024-11-28 05:21:25,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:25,813 INFO L225 Difference]: With dead ends: 201 [2024-11-28 05:21:25,813 INFO L226 Difference]: Without dead ends: 132 [2024-11-28 05:21:25,814 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 [2024-11-28 05:21:25,815 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 83 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:25,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 254 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:21:25,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-28 05:21:25,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2024-11-28 05:21:25,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 93 states have internal predecessors, (122), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 05:21:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 190 transitions. [2024-11-28 05:21:25,868 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 190 transitions. Word has length 117 [2024-11-28 05:21:25,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:25,869 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 190 transitions. [2024-11-28 05:21:25,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:25,873 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 190 transitions. [2024-11-28 05:21:25,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 05:21:25,876 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:25,876 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:25,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:21:25,876 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:25,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:25,880 INFO L85 PathProgramCache]: Analyzing trace with hash 236594459, now seen corresponding path program 1 times [2024-11-28 05:21:25,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:25,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778548317] [2024-11-28 05:21:25,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:25,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 05:21:26,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:26,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778548317] [2024-11-28 05:21:26,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778548317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:26,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:26,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:21:26,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117612172] [2024-11-28 05:21:26,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:26,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:21:26,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:26,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:21:26,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:21:26,419 INFO L87 Difference]: Start difference. First operand 130 states and 190 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:26,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:26,754 INFO L93 Difference]: Finished difference Result 437 states and 637 transitions. [2024-11-28 05:21:26,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:21:26,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 118 [2024-11-28 05:21:26,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:26,760 INFO L225 Difference]: With dead ends: 437 [2024-11-28 05:21:26,763 INFO L226 Difference]: Without dead ends: 310 [2024-11-28 05:21:26,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:21:26,766 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 122 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:26,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 304 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:21:26,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-28 05:21:26,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 292. [2024-11-28 05:21:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 219 states have (on average 1.3242009132420092) internal successors, (290), 219 states have internal predecessors, (290), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-28 05:21:26,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 426 transitions. [2024-11-28 05:21:26,843 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 426 transitions. Word has length 118 [2024-11-28 05:21:26,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:26,845 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 426 transitions. [2024-11-28 05:21:26,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:26,847 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 426 transitions. [2024-11-28 05:21:26,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 05:21:26,852 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:26,853 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:26,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:21:26,854 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:26,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:26,855 INFO L85 PathProgramCache]: Analyzing trace with hash -77863550, now seen corresponding path program 1 times [2024-11-28 05:21:26,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:26,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732750907] [2024-11-28 05:21:26,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:26,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 05:21:27,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:27,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732750907] [2024-11-28 05:21:27,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732750907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:27,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:27,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:21:27,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560302521] [2024-11-28 05:21:27,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:27,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:21:27,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:27,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:21:27,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:21:27,268 INFO L87 Difference]: Start difference. First operand 292 states and 426 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:27,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:27,378 INFO L93 Difference]: Finished difference Result 737 states and 1082 transitions. [2024-11-28 05:21:27,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:21:27,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 119 [2024-11-28 05:21:27,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:27,387 INFO L225 Difference]: With dead ends: 737 [2024-11-28 05:21:27,387 INFO L226 Difference]: Without dead ends: 448 [2024-11-28 05:21:27,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:21:27,391 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 61 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:27,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 196 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:21:27,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-28 05:21:27,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 446. [2024-11-28 05:21:27,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 337 states have (on average 1.3204747774480712) internal successors, (445), 337 states have internal predecessors, (445), 102 states have call successors, (102), 6 states have call predecessors, (102), 6 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-28 05:21:27,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 649 transitions. [2024-11-28 05:21:27,499 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 649 transitions. Word has length 119 [2024-11-28 05:21:27,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:27,500 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 649 transitions. [2024-11-28 05:21:27,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:27,500 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 649 transitions. [2024-11-28 05:21:27,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 05:21:27,503 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:27,504 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:27,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:21:27,508 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:27,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:27,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1340161177, now seen corresponding path program 1 times [2024-11-28 05:21:27,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:27,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120939025] [2024-11-28 05:21:27,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:27,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:27,724 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 05:21:27,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:27,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120939025] [2024-11-28 05:21:27,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120939025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:27,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:27,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:21:27,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034669256] [2024-11-28 05:21:27,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:27,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:21:27,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:27,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:21:27,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:21:27,730 INFO L87 Difference]: Start difference. First operand 446 states and 649 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:27,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:27,992 INFO L93 Difference]: Finished difference Result 1293 states and 1886 transitions. [2024-11-28 05:21:27,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:21:27,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 120 [2024-11-28 05:21:27,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:28,008 INFO L225 Difference]: With dead ends: 1293 [2024-11-28 05:21:28,010 INFO L226 Difference]: Without dead ends: 850 [2024-11-28 05:21:28,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:21:28,013 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 97 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:28,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 268 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:21:28,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-28 05:21:28,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 458. [2024-11-28 05:21:28,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 349 states have (on average 1.3094555873925502) internal successors, (457), 349 states have internal predecessors, (457), 102 states have call successors, (102), 6 states have call predecessors, (102), 6 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-28 05:21:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 661 transitions. [2024-11-28 05:21:28,150 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 661 transitions. Word has length 120 [2024-11-28 05:21:28,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:28,152 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 661 transitions. [2024-11-28 05:21:28,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:28,152 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 661 transitions. [2024-11-28 05:21:28,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 05:21:28,156 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:28,156 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:28,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:21:28,157 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:28,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:28,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2041225755, now seen corresponding path program 1 times [2024-11-28 05:21:28,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:28,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035598446] [2024-11-28 05:21:28,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:28,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 05:21:28,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:28,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035598446] [2024-11-28 05:21:28,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035598446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:21:28,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628989328] [2024-11-28 05:21:28,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:28,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:21:28,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:21:28,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:21:28,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:21:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:28,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 05:21:28,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:21:29,553 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 05:21:29,553 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:21:30,056 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 05:21:30,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628989328] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:21:30,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:21:30,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 9] total 20 [2024-11-28 05:21:30,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803000] [2024-11-28 05:21:30,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:21:30,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-28 05:21:30,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:30,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-28 05:21:30,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:21:30,060 INFO L87 Difference]: Start difference. First operand 458 states and 661 transitions. Second operand has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 5 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) [2024-11-28 05:21:33,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:33,466 INFO L93 Difference]: Finished difference Result 1512 states and 2122 transitions. [2024-11-28 05:21:33,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-28 05:21:33,467 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 5 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) Word has length 120 [2024-11-28 05:21:33,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:33,475 INFO L225 Difference]: With dead ends: 1512 [2024-11-28 05:21:33,475 INFO L226 Difference]: Without dead ends: 1057 [2024-11-28 05:21:33,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 231 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 891 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=739, Invalid=2683, Unknown=0, NotChecked=0, Total=3422 [2024-11-28 05:21:33,479 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 853 mSDsluCounter, 1636 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 2017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:33,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 1873 Invalid, 2017 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [475 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 05:21:33,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-28 05:21:33,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 470. [2024-11-28 05:21:33,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 355 states have (on average 1.287323943661972) internal successors, (457), 355 states have internal predecessors, (457), 102 states have call successors, (102), 12 states have call predecessors, (102), 12 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-28 05:21:33,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 661 transitions. [2024-11-28 05:21:33,595 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 661 transitions. Word has length 120 [2024-11-28 05:21:33,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:33,596 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 661 transitions. [2024-11-28 05:21:33,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 5 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) [2024-11-28 05:21:33,597 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 661 transitions. [2024-11-28 05:21:33,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 05:21:33,599 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:33,599 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:33,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:21:33,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 05:21:33,804 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:33,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:33,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1441523144, now seen corresponding path program 1 times [2024-11-28 05:21:33,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:33,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534226380] [2024-11-28 05:21:33,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:33,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:34,112 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 05:21:34,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:34,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534226380] [2024-11-28 05:21:34,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534226380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:34,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:34,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:21:34,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228980984] [2024-11-28 05:21:34,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:34,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:21:34,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:34,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:21:34,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:21:34,116 INFO L87 Difference]: Start difference. First operand 470 states and 661 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:34,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:34,264 INFO L93 Difference]: Finished difference Result 472 states and 662 transitions. [2024-11-28 05:21:34,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:21:34,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 120 [2024-11-28 05:21:34,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:34,267 INFO L225 Difference]: With dead ends: 472 [2024-11-28 05:21:34,267 INFO L226 Difference]: Without dead ends: 167 [2024-11-28 05:21:34,269 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 [2024-11-28 05:21:34,269 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 114 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:34,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 92 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:21:34,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-28 05:21:34,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-28 05:21:34,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 128 states have (on average 1.25) internal successors, (160), 128 states have internal predecessors, (160), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 05:21:34,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 228 transitions. [2024-11-28 05:21:34,314 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 228 transitions. Word has length 120 [2024-11-28 05:21:34,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:34,315 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 228 transitions. [2024-11-28 05:21:34,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:34,315 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 228 transitions. [2024-11-28 05:21:34,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 05:21:34,316 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:34,317 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:34,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:21:34,317 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:34,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:34,319 INFO L85 PathProgramCache]: Analyzing trace with hash 2140055444, now seen corresponding path program 1 times [2024-11-28 05:21:34,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:34,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569640887] [2024-11-28 05:21:34,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:34,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:21:34,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [274334907] [2024-11-28 05:21:34,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:34,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:21:34,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:21:34,498 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:21:34,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:21:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:21:34,676 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:21:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:21:34,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:21:34,877 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:21:34,878 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:21:34,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 05:21:35,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:21:35,085 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:35,241 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:21:35,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:21:35 BoogieIcfgContainer [2024-11-28 05:21:35,248 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:21:35,249 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:21:35,249 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:21:35,249 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:21:35,250 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:21:23" (3/4) ... [2024-11-28 05:21:35,256 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:21:35,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:21:35,261 INFO L158 Benchmark]: Toolchain (without parser) took 12660.00ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 100.3MB in the beginning and 305.2MB in the end (delta: -205.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-28 05:21:35,261 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:21:35,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.32ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 86.2MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:21:35,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.51ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 83.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:21:35,263 INFO L158 Benchmark]: Boogie Preprocessor took 92.38ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 79.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:21:35,264 INFO L158 Benchmark]: RCFGBuilder took 743.23ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 56.9MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 05:21:35,264 INFO L158 Benchmark]: TraceAbstraction took 11294.78ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 56.2MB in the beginning and 308.9MB in the end (delta: -252.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:21:35,264 INFO L158 Benchmark]: Witness Printer took 10.99ms. Allocated memory is still 360.7MB. Free memory was 308.9MB in the beginning and 305.2MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:21:35,267 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.32ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 86.2MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.51ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 83.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 92.38ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 79.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 743.23ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 56.9MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 11294.78ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 56.2MB in the beginning and 308.9MB in the end (delta: -252.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.99ms. Allocated memory is still 360.7MB. Free memory was 308.9MB in the beginning and 305.2MB in the end (delta: 3.6MB). 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 shiftLeft at line 55, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryArithmeticFLOAToperation at line 61, overapproximation of someUnaryFLOAToperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_8 = 0; [L24] unsigned long int var_1_9 = 10; [L25] float var_1_10 = 99.5; [L26] float var_1_11 = 5.6; [L27] float var_1_12 = 255.5; [L28] float var_1_13 = 31.25; [L29] signed short int var_1_14 = 32; [L30] unsigned long int var_1_15 = 16; [L31] unsigned char var_1_16 = 1; [L32] unsigned char var_1_17 = 5; [L33] unsigned char var_1_18 = 50; [L34] unsigned char var_1_19 = 50; [L35] signed char var_1_20 = 1; [L36] signed char var_1_21 = -10; [L37] float var_1_22 = 0.5; [L38] signed char var_1_23 = 100; [L39] unsigned char last_1_var_1_1 = 0; [L40] unsigned long int last_1_var_1_9 = 10; [L41] signed short int last_1_var_1_14 = 32; [L42] unsigned char last_1_var_1_16 = 1; [L43] signed char last_1_var_1_20 = 1; VAL [isInitial=0, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=0, var_1_9=10] [L129] isInitial = 1 [L130] FCALL initially() [L132] CALL updateLastVariables() [L118] last_1_var_1_1 = var_1_1 [L119] last_1_var_1_9 = var_1_9 [L120] last_1_var_1_14 = var_1_14 [L121] last_1_var_1_16 = var_1_16 [L122] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=0, var_1_9=10] [L132] RET updateLastVariables() [L133] CALL updateVariables() [L90] var_1_8 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L91] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L92] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L92] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L93] var_1_11 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L94] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L95] var_1_12 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L96] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L97] var_1_13 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L98] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L99] var_1_15 = __VERIFIER_nondet_ulong() [L100] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L100] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L101] CALL assume_abort_if_not(var_1_15 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L101] RET assume_abort_if_not(var_1_15 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L102] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L102] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L103] var_1_17 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L104] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L105] CALL assume_abort_if_not(var_1_17 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L105] RET assume_abort_if_not(var_1_17 <= 255) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L106] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L106] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L107] var_1_18 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L108] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L109] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L109] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L110] var_1_19 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L111] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L112] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L112] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L113] var_1_21 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L114] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L115] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L115] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L133] RET updateVariables() [L134] CALL step() [L47] unsigned char stepLocal_1 = last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16); [L48] signed long int stepLocal_0 = last_1_var_1_20 * last_1_var_1_20; VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_0=1, stepLocal_1=1, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L49] COND FALSE !(stepLocal_0 == last_1_var_1_14) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L54] unsigned long int stepLocal_6 = ((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17; VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_6=1, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L55] EXPR 256u << last_1_var_1_16 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_6=1, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L55] COND TRUE stepLocal_6 <= (256u << last_1_var_1_16) [L56] var_1_16 = ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L58] unsigned char stepLocal_5 = var_1_16 != var_1_16; [L59] unsigned char stepLocal_4 = var_1_8; VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_4=1, stepLocal_5=0, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L60] COND TRUE (! var_1_1) || stepLocal_4 [L61] var_1_10 = (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_13=0, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L69] var_1_20 = var_1_21 [L70] var_1_22 = var_1_12 [L71] var_1_23 = var_1_21 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L72] COND FALSE !(\read(var_1_1)) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L75] EXPR (var_1_16 / var_1_15) & var_1_16 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L75] COND TRUE ((var_1_16 / var_1_15) & var_1_16) >= var_1_20 [L76] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L81] unsigned char stepLocal_3 = var_1_20 != var_1_14; [L82] signed long int stepLocal_2 = (((var_1_16) < (0)) ? (var_1_16) : (0)); VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_2=0, stepLocal_3=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L83] COND TRUE (var_1_1 || (var_1_16 <= var_1_14)) || stepLocal_3 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_2=0, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L84] COND FALSE !(stepLocal_2 <= (-5 + var_1_16)) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L134] RET step() [L135] CALL, EXPR property() [L125] EXPR (((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128)))) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L125] EXPR ((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L125-L126] return (((((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1)) && (var_1_20 == ((signed char) var_1_21))) && (var_1_22 == ((float) var_1_12))) && (var_1_23 == ((signed char) var_1_21)) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 8, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1332 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1330 mSDsluCounter, 3093 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2079 mSDsCounter, 586 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1684 IncrementalHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 586 mSolverCounterUnsat, 1014 mSDtfsCounter, 1684 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 433 GetRequests, 365 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 891 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred in iteration=6, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 1001 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1310 NumberOfCodeBlocks, 1310 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1178 ConstructedInterpolants, 0 QuantifiedInterpolants, 1923 SizeOfPredicates, 5 NumberOfNonLiveVariables, 601 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 5399/5440 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 [2024-11-28 05:21:35,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/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_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB --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 48ff97b9a3af78a737a84e658c15b8d38a46f0a552b076decd87f4d89ed81dac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:21:38,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:21:38,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 05:21:38,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:21:38,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:21:38,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:21:38,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:21:38,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:21:38,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:21:38,799 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:21:38,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:21:38,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:21:38,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:21:38,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:21:38,801 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:21:38,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:21:38,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:21:38,802 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:21:38,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:21:38,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:21:38,803 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:21:38,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:21:38,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:21:38,803 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:21:38,804 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 05:21:38,804 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 05:21:38,804 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:21:38,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:21:38,804 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:21:38,804 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:21:38,805 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:21:38,805 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:21:38,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:21:38,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:21:38,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:21:38,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:21:38,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:21:38,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:21:38,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:21:38,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:21:38,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:21:38,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:21:38,807 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:21:38,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:21:38,807 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 05:21:38,807 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 05:21:38,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:21:38,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:21:38,807 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:21:38,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:21:38,808 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_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 48ff97b9a3af78a737a84e658c15b8d38a46f0a552b076decd87f4d89ed81dac [2024-11-28 05:21:39,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:21:39,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:21:39,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:21:39,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:21:39,248 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:21:39,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-53.i [2024-11-28 05:21:42,860 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/data/476752fd6/5a3592fef8f74170b24c62f2062ac6dd/FLAG518b13357 [2024-11-28 05:21:43,136 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:21:43,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-53.i [2024-11-28 05:21:43,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/data/476752fd6/5a3592fef8f74170b24c62f2062ac6dd/FLAG518b13357 [2024-11-28 05:21:43,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/data/476752fd6/5a3592fef8f74170b24c62f2062ac6dd [2024-11-28 05:21:43,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:21:43,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:21:43,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:21:43,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:21:43,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:21:43,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d96c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43, skipping insertion in model container [2024-11-28 05:21:43,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,224 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:21:43,451 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_32245231-bd7f-4dee-b018-7a1590a030fa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-53.i[915,928] [2024-11-28 05:21:43,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:21:43,578 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:21:43,598 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_32245231-bd7f-4dee-b018-7a1590a030fa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-53.i[915,928] [2024-11-28 05:21:43,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:21:43,697 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:21:43,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43 WrapperNode [2024-11-28 05:21:43,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:21:43,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:21:43,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:21:43,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:21:43,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,786 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2024-11-28 05:21:43,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:21:43,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:21:43,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:21:43,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:21:43,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,804 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,821 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]. [2024-11-28 05:21:43,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,832 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:21:43,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:21:43,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:21:43,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:21:43,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43" (1/1) ... [2024-11-28 05:21:43,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:21:43,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:21:43,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:21:43,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:21:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:21:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 05:21:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:21:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:21:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:21:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:21:44,083 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:21:44,086 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:21:45,071 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-28 05:21:45,071 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:21:45,083 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:21:45,084 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:21:45,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:21:45 BoogieIcfgContainer [2024-11-28 05:21:45,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:21:45,088 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:21:45,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:21:45,094 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:21:45,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:21:43" (1/3) ... [2024-11-28 05:21:45,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e648ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:21:45, skipping insertion in model container [2024-11-28 05:21:45,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:21:43" (2/3) ... [2024-11-28 05:21:45,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e648ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:21:45, skipping insertion in model container [2024-11-28 05:21:45,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:21:45" (3/3) ... [2024-11-28 05:21:45,097 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-53.i [2024-11-28 05:21:45,138 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:21:45,142 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-53.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:21:45,214 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:21:45,228 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;@2acbbbcb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:21:45,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:21:45,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 05:21:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 05:21:45,247 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:45,248 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:45,249 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:45,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:45,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1319720570, now seen corresponding path program 1 times [2024-11-28 05:21:45,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:21:45,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924474480] [2024-11-28 05:21:45,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:45,271 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 [2024-11-28 05:21:45,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:21:45,275 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:21:45,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:21:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:45,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:21:45,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:21:45,779 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-11-28 05:21:45,779 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:21:45,780 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:21:45,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924474480] [2024-11-28 05:21:45,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924474480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:45,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:45,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:21:45,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166994768] [2024-11-28 05:21:45,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:45,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:21:45,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:21:45,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:21:45,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:21:45,816 INFO L87 Difference]: Start difference. First operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 05:21:45,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:45,846 INFO L93 Difference]: Finished difference Result 109 states and 183 transitions. [2024-11-28 05:21:45,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:21:45,848 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 112 [2024-11-28 05:21:45,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:45,856 INFO L225 Difference]: With dead ends: 109 [2024-11-28 05:21:45,857 INFO L226 Difference]: Without dead ends: 54 [2024-11-28 05:21:45,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:21:45,864 INFO L435 NwaCegarLoop]: 79 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, 79 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 [2024-11-28 05:21:45,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:21:45,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-28 05:21:45,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-28 05:21:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 05:21:45,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions. [2024-11-28 05:21:45,909 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 112 [2024-11-28 05:21:45,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:45,910 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions. [2024-11-28 05:21:45,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 05:21:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-11-28 05:21:45,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 05:21:45,914 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:45,914 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:45,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:21:46,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:21:46,116 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:46,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:46,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1931518288, now seen corresponding path program 1 times [2024-11-28 05:21:46,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:21:46,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422452874] [2024-11-28 05:21:46,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:46,118 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 [2024-11-28 05:21:46,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:21:46,121 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:21:46,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:21:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:46,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:21:46,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:21:46,554 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 05:21:46,554 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:21:46,554 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:21:46,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422452874] [2024-11-28 05:21:46,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422452874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:46,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:46,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:21:46,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082352540] [2024-11-28 05:21:46,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:46,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:21:46,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:21:46,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:21:46,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:21:46,558 INFO L87 Difference]: Start difference. First operand 54 states and 79 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:47,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:47,118 INFO L93 Difference]: Finished difference Result 154 states and 227 transitions. [2024-11-28 05:21:47,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:21:47,119 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 112 [2024-11-28 05:21:47,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:47,122 INFO L225 Difference]: With dead ends: 154 [2024-11-28 05:21:47,122 INFO L226 Difference]: Without dead ends: 103 [2024-11-28 05:21:47,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:21:47,124 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 68 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:47,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 200 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:21:47,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-28 05:21:47,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2024-11-28 05:21:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 64 states have (on average 1.25) internal successors, (80), 64 states have internal predecessors, (80), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 05:21:47,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 148 transitions. [2024-11-28 05:21:47,148 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 148 transitions. Word has length 112 [2024-11-28 05:21:47,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:47,149 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 148 transitions. [2024-11-28 05:21:47,149 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:47,149 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 148 transitions. [2024-11-28 05:21:47,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 05:21:47,152 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:47,152 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:47,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 05:21:47,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:21:47,353 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:47,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:47,354 INFO L85 PathProgramCache]: Analyzing trace with hash 16914940, now seen corresponding path program 1 times [2024-11-28 05:21:47,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:21:47,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766171110] [2024-11-28 05:21:47,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:47,355 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 [2024-11-28 05:21:47,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:21:47,360 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:21:47,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:21:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:47,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:21:47,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:21:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 05:21:48,238 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:21:48,238 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:21:48,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766171110] [2024-11-28 05:21:48,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766171110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:48,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:48,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:21:48,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202174244] [2024-11-28 05:21:48,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:48,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:21:48,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:21:48,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:21:48,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:21:48,244 INFO L87 Difference]: Start difference. First operand 101 states and 148 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:48,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:48,808 INFO L93 Difference]: Finished difference Result 207 states and 303 transitions. [2024-11-28 05:21:48,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:21:48,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113 [2024-11-28 05:21:48,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:48,815 INFO L225 Difference]: With dead ends: 207 [2024-11-28 05:21:48,815 INFO L226 Difference]: Without dead ends: 109 [2024-11-28 05:21:48,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:21:48,820 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 17 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:48,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 138 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:21:48,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-28 05:21:48,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2024-11-28 05:21:48,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 70 states have internal predecessors, (87), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 05:21:48,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2024-11-28 05:21:48,849 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 113 [2024-11-28 05:21:48,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:48,850 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2024-11-28 05:21:48,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:48,850 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2024-11-28 05:21:48,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 05:21:48,853 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:48,853 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:48,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:21:49,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:21:49,054 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:49,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:49,055 INFO L85 PathProgramCache]: Analyzing trace with hash -128748962, now seen corresponding path program 1 times [2024-11-28 05:21:49,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:21:49,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132354728] [2024-11-28 05:21:49,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:49,055 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 [2024-11-28 05:21:49,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:21:49,060 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:21:49,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:21:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:49,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:21:49,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:21:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 05:21:49,448 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:21:49,449 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:21:49,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132354728] [2024-11-28 05:21:49,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132354728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:49,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:49,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:21:49,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009102060] [2024-11-28 05:21:49,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:49,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:21:49,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:21:49,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:21:49,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:21:49,455 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:50,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:50,140 INFO L93 Difference]: Finished difference Result 270 states and 392 transitions. [2024-11-28 05:21:50,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:21:50,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113 [2024-11-28 05:21:50,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:50,144 INFO L225 Difference]: With dead ends: 270 [2024-11-28 05:21:50,144 INFO L226 Difference]: Without dead ends: 166 [2024-11-28 05:21:50,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:21:50,146 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 70 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:50,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 208 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:21:50,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-28 05:21:50,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 109. [2024-11-28 05:21:50,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 72 states have internal predecessors, (89), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 05:21:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2024-11-28 05:21:50,176 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 113 [2024-11-28 05:21:50,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:50,177 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2024-11-28 05:21:50,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 05:21:50,177 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2024-11-28 05:21:50,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 05:21:50,179 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:50,180 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:50,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:21:50,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:21:50,380 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:50,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:50,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1646258400, now seen corresponding path program 1 times [2024-11-28 05:21:50,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:21:50,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116481479] [2024-11-28 05:21:50,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:50,382 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 [2024-11-28 05:21:50,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:21:50,383 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:21:50,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:21:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:50,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:21:50,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:21:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 05:21:50,945 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:21:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 05:21:51,444 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:21:51,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116481479] [2024-11-28 05:21:51,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2116481479] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:21:51,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:21:51,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2024-11-28 05:21:51,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934962646] [2024-11-28 05:21:51,445 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:21:51,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:21:51,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:21:51,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:21:51,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:21:51,448 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:21:54,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:54,462 INFO L93 Difference]: Finished difference Result 342 states and 481 transitions. [2024-11-28 05:21:54,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 05:21:54,467 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 113 [2024-11-28 05:21:54,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:54,470 INFO L225 Difference]: With dead ends: 342 [2024-11-28 05:21:54,474 INFO L226 Difference]: Without dead ends: 236 [2024-11-28 05:21:54,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=268, Invalid=724, Unknown=0, NotChecked=0, Total=992 [2024-11-28 05:21:54,477 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 258 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:54,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 494 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 05:21:54,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-28 05:21:54,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 115. [2024-11-28 05:21:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 76 states have (on average 1.2105263157894737) internal successors, (92), 76 states have internal predecessors, (92), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 05:21:54,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 160 transitions. [2024-11-28 05:21:54,548 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 160 transitions. Word has length 113 [2024-11-28 05:21:54,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:54,552 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 160 transitions. [2024-11-28 05:21:54,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:21:54,553 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 160 transitions. [2024-11-28 05:21:54,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 05:21:54,555 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:54,555 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:21:54,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 05:21:54,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:21:54,756 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:54,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:54,757 INFO L85 PathProgramCache]: Analyzing trace with hash 68189198, now seen corresponding path program 1 times [2024-11-28 05:21:54,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:21:54,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058123242] [2024-11-28 05:21:54,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:54,757 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:21:54,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:21:54,760 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:21:54,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32245231-bd7f-4dee-b018-7a1590a030fa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:21:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:55,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 05:21:55,107 INFO L279 TraceCheckSpWp]: Computing forward predicates...