./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.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_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de05dd5e3bf0aa71208c9225f4fdf36a7def96a9278aed9da8f88e67d49713ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:41:01,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:41:01,646 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:41:01,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:41:01,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:41:01,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:41:01,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:41:01,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:41:01,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:41:01,673 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:41:01,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:41:01,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:41:01,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:41:01,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:41:01,674 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:41:01,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:41:01,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:41:01,674 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:41:01,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:41:01,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:41:01,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:41:01,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:41:01,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:41:01,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:41:01,674 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:41:01,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:41:01,675 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:41:01,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:41:01,675 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:41:01,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:41:01,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:41:01,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:41:01,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:41:01,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:41:01,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:41:01,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:41:01,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:41:01,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:41:01,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:41:01,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:41:01,676 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:41:01,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:41:01,676 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:41:01,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:41:01,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:41:01,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:41:01,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:41:01,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:41:01,676 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_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de05dd5e3bf0aa71208c9225f4fdf36a7def96a9278aed9da8f88e67d49713ff [2024-12-02 06:41:01,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:41:01,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:41:01,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:41:01,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:41:01,926 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:41:01,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i [2024-12-02 06:41:04,594 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/data/73885c532/97ad2c50df7a4d2fbbd99cf9e3e2e147/FLAG37bf7d13e [2024-12-02 06:41:04,804 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:41:04,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i [2024-12-02 06:41:04,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/data/73885c532/97ad2c50df7a4d2fbbd99cf9e3e2e147/FLAG37bf7d13e [2024-12-02 06:41:05,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/data/73885c532/97ad2c50df7a4d2fbbd99cf9e3e2e147 [2024-12-02 06:41:05,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:41:05,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:41:05,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:41:05,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:41:05,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:41:05,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccfd575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05, skipping insertion in model container [2024-12-02 06:41:05,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:41:05,318 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_8ba42e93-737d-4a4e-b891-fe73f1020d78/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i[915,928] [2024-12-02 06:41:05,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:41:05,360 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:41:05,369 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_8ba42e93-737d-4a4e-b891-fe73f1020d78/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i[915,928] [2024-12-02 06:41:05,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:41:05,391 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:41:05,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05 WrapperNode [2024-12-02 06:41:05,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:41:05,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:41:05,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:41:05,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:41:05,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,420 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2024-12-02 06:41:05,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:41:05,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:41:05,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:41:05,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:41:05,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,429 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,440 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 06:41:05,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,444 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:41:05,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:41:05,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:41:05,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:41:05,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05" (1/1) ... [2024-12-02 06:41:05,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:41:05,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:41:05,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:41:05,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:41:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:41:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:41:05,510 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:41:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:41:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:41:05,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:41:05,570 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:41:05,571 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:41:05,755 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-02 06:41:05,756 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:41:05,762 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:41:05,762 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:41:05,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:41:05 BoogieIcfgContainer [2024-12-02 06:41:05,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:41:05,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:41:05,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:41:05,767 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:41:05,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:41:05" (1/3) ... [2024-12-02 06:41:05,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e75ff0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:41:05, skipping insertion in model container [2024-12-02 06:41:05,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:05" (2/3) ... [2024-12-02 06:41:05,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e75ff0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:41:05, skipping insertion in model container [2024-12-02 06:41:05,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:41:05" (3/3) ... [2024-12-02 06:41:05,769 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-9.i [2024-12-02 06:41:05,784 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:41:05,785 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-9.i that has 2 procedures, 42 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:41:05,836 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:41:05,845 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;@7f3b99e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:41:05,845 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:41:05,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 06:41:05,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 06:41:05,856 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:41:05,856 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:41:05,857 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:41:05,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:41:05,861 INFO L85 PathProgramCache]: Analyzing trace with hash -890379378, now seen corresponding path program 1 times [2024-12-02 06:41:05,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:41:05,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154447143] [2024-12-02 06:41:05,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:41:05,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:41:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:41:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-02 06:41:06,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:41:06,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154447143] [2024-12-02 06:41:06,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154447143] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:41:06,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376780422] [2024-12-02 06:41:06,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:41:06,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:41:06,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:41:06,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:41:06,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:41:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:41:06,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:41:06,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:41:06,130 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-02 06:41:06,130 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:41:06,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376780422] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:41:06,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:41:06,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 06:41:06,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915897640] [2024-12-02 06:41:06,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:41:06,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:41:06,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:41:06,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:41:06,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:41:06,157 INFO L87 Difference]: Start difference. First operand has 42 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 06:41:06,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:41:06,171 INFO L93 Difference]: Finished difference Result 76 states and 114 transitions. [2024-12-02 06:41:06,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:41:06,173 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 50 [2024-12-02 06:41:06,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:41:06,178 INFO L225 Difference]: With dead ends: 76 [2024-12-02 06:41:06,178 INFO L226 Difference]: Without dead ends: 37 [2024-12-02 06:41:06,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:41:06,182 INFO L435 NwaCegarLoop]: 48 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, 48 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:41:06,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:41:06,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-12-02 06:41:06,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-12-02 06:41:06,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 06:41:06,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2024-12-02 06:41:06,209 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 50 [2024-12-02 06:41:06,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:41:06,209 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2024-12-02 06:41:06,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 06:41:06,210 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2024-12-02 06:41:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 06:41:06,212 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:41:06,212 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:41:06,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:41:06,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 06:41:06,412 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:41:06,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:41:06,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1217510834, now seen corresponding path program 1 times [2024-12-02 06:41:06,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:41:06,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122846962] [2024-12-02 06:41:06,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:41:06,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:41:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:41:06,845 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 06:41:06,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:41:06,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122846962] [2024-12-02 06:41:06,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122846962] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:41:06,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:41:06,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:41:06,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893796523] [2024-12-02 06:41:06,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:41:06,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:41:06,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:41:06,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:41:06,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:41:06,848 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:41:07,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:41:07,002 INFO L93 Difference]: Finished difference Result 105 states and 138 transitions. [2024-12-02 06:41:07,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:41:07,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 50 [2024-12-02 06:41:07,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:41:07,004 INFO L225 Difference]: With dead ends: 105 [2024-12-02 06:41:07,004 INFO L226 Difference]: Without dead ends: 71 [2024-12-02 06:41:07,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:41:07,006 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 40 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:41:07,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 134 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:41:07,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-12-02 06:41:07,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 59. [2024-12-02 06:41:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 44 states have internal predecessors, (52), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 06:41:07,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2024-12-02 06:41:07,020 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 50 [2024-12-02 06:41:07,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:41:07,020 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2024-12-02 06:41:07,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:41:07,020 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2024-12-02 06:41:07,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-02 06:41:07,021 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:41:07,022 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:41:07,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:41:07,022 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:41:07,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:41:07,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1283139828, now seen corresponding path program 1 times [2024-12-02 06:41:07,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:41:07,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805619648] [2024-12-02 06:41:07,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:41:07,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:41:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:41:07,255 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 06:41:07,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:41:07,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805619648] [2024-12-02 06:41:07,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805619648] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:41:07,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:41:07,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:41:07,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139562885] [2024-12-02 06:41:07,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:41:07,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:41:07,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:41:07,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:41:07,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:41:07,257 INFO L87 Difference]: Start difference. First operand 59 states and 76 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:41:07,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:41:07,304 INFO L93 Difference]: Finished difference Result 93 states and 121 transitions. [2024-12-02 06:41:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:41:07,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 51 [2024-12-02 06:41:07,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:41:07,306 INFO L225 Difference]: With dead ends: 93 [2024-12-02 06:41:07,306 INFO L226 Difference]: Without dead ends: 59 [2024-12-02 06:41:07,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:41:07,307 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 13 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:41:07,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 113 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:41:07,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-12-02 06:41:07,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-12-02 06:41:07,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 44 states have internal predecessors, (51), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 06:41:07,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 75 transitions. [2024-12-02 06:41:07,318 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 75 transitions. Word has length 51 [2024-12-02 06:41:07,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:41:07,318 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 75 transitions. [2024-12-02 06:41:07,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:41:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2024-12-02 06:41:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-02 06:41:07,319 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:41:07,319 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:41:07,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:41:07,320 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:41:07,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:41:07,320 INFO L85 PathProgramCache]: Analyzing trace with hash -990217529, now seen corresponding path program 1 times [2024-12-02 06:41:07,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:41:07,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435825622] [2024-12-02 06:41:07,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:41:07,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:41:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:41:07,445 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-02 06:41:07,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:41:07,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435825622] [2024-12-02 06:41:07,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435825622] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:41:07,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026076480] [2024-12-02 06:41:07,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:41:07,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:41:07,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:41:07,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:41:07,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 06:41:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:41:07,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:41:07,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:41:07,528 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 06:41:07,528 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:41:07,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026076480] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:41:07,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:41:07,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2024-12-02 06:41:07,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228786980] [2024-12-02 06:41:07,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:41:07,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:41:07,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:41:07,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:41:07,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:41:07,529 INFO L87 Difference]: Start difference. First operand 59 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:41:07,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:41:07,572 INFO L93 Difference]: Finished difference Result 122 states and 157 transitions. [2024-12-02 06:41:07,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:41:07,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 53 [2024-12-02 06:41:07,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:41:07,574 INFO L225 Difference]: With dead ends: 122 [2024-12-02 06:41:07,574 INFO L226 Difference]: Without dead ends: 88 [2024-12-02 06:41:07,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:41:07,576 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 33 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:41:07,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 69 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:41:07,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-12-02 06:41:07,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 65. [2024-12-02 06:41:07,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 50 states have (on average 1.18) internal successors, (59), 50 states have internal predecessors, (59), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 06:41:07,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2024-12-02 06:41:07,587 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 83 transitions. Word has length 53 [2024-12-02 06:41:07,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:41:07,587 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 83 transitions. [2024-12-02 06:41:07,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:41:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2024-12-02 06:41:07,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-02 06:41:07,588 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:41:07,588 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:41:07,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 06:41:07,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:41:07,789 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:41:07,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:41:07,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1082020208, now seen corresponding path program 1 times [2024-12-02 06:41:07,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:41:07,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561634538] [2024-12-02 06:41:07,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:41:07,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:41:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:48:06,877 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 06:48:06,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:48:06,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561634538] [2024-12-02 06:48:06,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561634538] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:48:06,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:48:06,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:48:06,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171422569] [2024-12-02 06:48:06,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:48:06,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:48:06,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:48:06,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:48:06,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:48:06,879 INFO L87 Difference]: Start difference. First operand 65 states and 83 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:48:07,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:48:07,349 INFO L93 Difference]: Finished difference Result 112 states and 139 transitions. [2024-12-02 06:48:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:48:07,350 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 54 [2024-12-02 06:48:07,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:48:07,351 INFO L225 Difference]: With dead ends: 112 [2024-12-02 06:48:07,351 INFO L226 Difference]: Without dead ends: 110 [2024-12-02 06:48:07,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:48:07,352 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 60 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:48:07,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 153 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:48:07,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-12-02 06:48:07,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 88. [2024-12-02 06:48:07,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 73 states have (on average 1.2054794520547945) internal successors, (88), 73 states have internal predecessors, (88), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 06:48:07,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 112 transitions. [2024-12-02 06:48:07,360 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 112 transitions. Word has length 54 [2024-12-02 06:48:07,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:48:07,360 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 112 transitions. [2024-12-02 06:48:07,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:48:07,360 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2024-12-02 06:48:07,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-02 06:48:07,361 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:48:07,361 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:48:07,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:48:07,361 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:48:07,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:48:07,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1340185646, now seen corresponding path program 1 times [2024-12-02 06:48:07,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:48:07,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128722695] [2024-12-02 06:48:07,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:48:07,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:48:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 06:48:07,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [705381264] [2024-12-02 06:48:07,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:48:07,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:48:07,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:48:07,395 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:48:07,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 06:48:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:48:07,450 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:48:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:48:07,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:48:07,497 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:48:07,498 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:48:07,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 06:48:07,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:48:07,702 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 06:48:07,736 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:48:07,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:48:07 BoogieIcfgContainer [2024-12-02 06:48:07,738 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:48:07,739 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:48:07,739 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:48:07,739 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:48:07,740 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:41:05" (3/4) ... [2024-12-02 06:48:07,742 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 06:48:07,743 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:48:07,743 INFO L158 Benchmark]: Toolchain (without parser) took 422564.91ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 116.3MB in the beginning and 355.1MB in the end (delta: -238.8MB). Peak memory consumption was 201.5MB. Max. memory is 16.1GB. [2024-12-02 06:48:07,744 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:48:07,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.79ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 103.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:48:07,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.05ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 101.8MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:48:07,744 INFO L158 Benchmark]: Boogie Preprocessor took 32.02ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 98.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:48:07,745 INFO L158 Benchmark]: RCFGBuilder took 308.85ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 84.0MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:48:07,745 INFO L158 Benchmark]: TraceAbstraction took 421974.47ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 83.4MB in the beginning and 355.2MB in the end (delta: -271.8MB). Peak memory consumption was 168.0MB. Max. memory is 16.1GB. [2024-12-02 06:48:07,745 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 578.8MB. Free memory was 355.2MB in the beginning and 355.1MB in the end (delta: 78.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:48:07,747 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.79ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 103.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.05ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 101.8MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.02ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 98.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 308.85ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 84.0MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 421974.47ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 83.4MB in the beginning and 355.2MB in the end (delta: -271.8MB). Peak memory consumption was 168.0MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 578.8MB. Free memory was 355.2MB in the beginning and 355.1MB in the end (delta: 78.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 45, overapproximation of shiftLeft at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 10; [L23] unsigned char var_1_3 = 4; [L24] unsigned char var_1_7 = 0; [L25] signed short int var_1_8 = 100; [L26] unsigned char var_1_9 = 32; [L27] signed long int var_1_10 = 9; [L28] signed long int var_1_11 = 0; [L29] signed short int var_1_12 = 1; [L30] signed long int var_1_14 = -16; [L31] unsigned char last_1_var_1_1 = 10; [L32] signed long int last_1_var_1_10 = 9; [L33] signed short int last_1_var_1_12 = 1; [L34] signed long int last_1_var_1_14 = -16; VAL [isInitial=0, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=4, var_1_7=0, var_1_8=100, var_1_9=32] [L86] isInitial = 1 [L87] FCALL initially() [L89] CALL updateLastVariables() [L76] last_1_var_1_1 = var_1_1 [L77] last_1_var_1_10 = var_1_10 [L78] last_1_var_1_12 = var_1_12 [L79] last_1_var_1_14 = var_1_14 VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=4, var_1_7=0, var_1_8=100, var_1_9=32] [L89] RET updateLastVariables() [L90] CALL updateVariables() [L65] var_1_3 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L67] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L67] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L68] var_1_7 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_8=100, var_1_9=32] [L69] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_8=100, var_1_9=32] [L70] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L70] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L71] var_1_11 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L72] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L73] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L73] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L90] RET updateVariables() [L91] CALL step() [L38] unsigned char stepLocal_0 = last_1_var_1_10 > last_1_var_1_10; VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, stepLocal_0=0, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L39] COND FALSE !(((last_1_var_1_12 + last_1_var_1_1) < 10) || stepLocal_0) [L42] var_1_12 = last_1_var_1_12 VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L44] var_1_14 = var_1_12 VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L45] EXPR 10 << var_1_12 VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L45] COND FALSE !((10 << var_1_12) < (var_1_3 * var_1_14)) [L48] var_1_9 = 64 [L49] var_1_10 = var_1_11 VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=64] [L50] COND TRUE var_1_12 <= 16 [L51] var_1_1 = var_1_3 VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=-244, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=64] [L91] RET step() [L92] CALL, EXPR property() [L82] EXPR ((var_1_12 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10))) < var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_12) < (var_1_3 * var_1_14)) ? (var_1_8 == ((signed short int) (var_1_12 + var_1_14))) : 1) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=-244, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=64] [L82] EXPR 10 << var_1_12 VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=-244, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=64] [L82] EXPR ((var_1_12 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10))) < var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_12) < (var_1_3 * var_1_14)) ? (var_1_8 == ((signed short int) (var_1_12 + var_1_14))) : 1) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=-244, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=64] [L82-L83] return ((((((var_1_12 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10))) < var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_12) < (var_1_3 * var_1_14)) ? (var_1_8 == ((signed short int) (var_1_12 + var_1_14))) : 1)) && (var_1_9 == ((unsigned char) 64))) && (var_1_10 == ((signed long int) var_1_11))) && ((((last_1_var_1_12 + last_1_var_1_1) < 10) || (last_1_var_1_10 > last_1_var_1_10)) ? (var_1_12 == ((signed short int) ((((((var_1_3 + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) > (last_1_var_1_1)) ? (((var_1_3 + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) : (last_1_var_1_1))))) : (var_1_12 == ((signed short int) last_1_var_1_12)))) && (var_1_14 == ((signed long int) var_1_12)) ; [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=-244, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=-244, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 421.9s, OverallIterations: 6, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 146 mSDsluCounter, 517 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 308 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 209 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=5, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 57 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 419.8s InterpolantComputationTime, 469 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 354 ConstructedInterpolants, 0 QuantifiedInterpolants, 2465 SizeOfPredicates, 0 NumberOfNonLiveVariables, 313 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 395/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 06:48:07,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de05dd5e3bf0aa71208c9225f4fdf36a7def96a9278aed9da8f88e67d49713ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:48:09,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:48:09,696 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 06:48:09,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:48:09,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:48:09,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:48:09,724 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:48:09,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:48:09,725 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:48:09,725 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:48:09,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:48:09,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:48:09,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:48:09,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:48:09,726 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:48:09,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:48:09,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:48:09,726 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:48:09,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:48:09,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:48:09,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:48:09,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:48:09,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:48:09,727 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 06:48:09,727 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 06:48:09,727 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 06:48:09,727 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:48:09,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:48:09,727 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:48:09,727 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:48:09,727 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:48:09,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:48:09,728 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:48:09,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:48:09,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:48:09,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:48:09,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:48:09,728 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:48:09,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:48:09,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:48:09,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:48:09,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:48:09,729 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:48:09,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:48:09,729 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 06:48:09,729 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 06:48:09,729 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:48:09,729 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:48:09,729 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:48:09,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:48:09,729 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_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de05dd5e3bf0aa71208c9225f4fdf36a7def96a9278aed9da8f88e67d49713ff [2024-12-02 06:48:09,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:48:09,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:48:09,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:48:09,965 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:48:09,965 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:48:09,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i [2024-12-02 06:48:12,709 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/data/144ca0667/98bc2f2bd8fc47869f9dfd82cb2c2021/FLAG4a4b995ee [2024-12-02 06:48:12,874 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:48:12,875 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i [2024-12-02 06:48:12,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/data/144ca0667/98bc2f2bd8fc47869f9dfd82cb2c2021/FLAG4a4b995ee [2024-12-02 06:48:13,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/data/144ca0667/98bc2f2bd8fc47869f9dfd82cb2c2021 [2024-12-02 06:48:13,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:48:13,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:48:13,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:48:13,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:48:13,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:48:13,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a5582f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13, skipping insertion in model container [2024-12-02 06:48:13,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:48:13,391 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_8ba42e93-737d-4a4e-b891-fe73f1020d78/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i[915,928] [2024-12-02 06:48:13,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:48:13,430 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:48:13,438 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_8ba42e93-737d-4a4e-b891-fe73f1020d78/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i[915,928] [2024-12-02 06:48:13,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:48:13,464 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:48:13,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13 WrapperNode [2024-12-02 06:48:13,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:48:13,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:48:13,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:48:13,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:48:13,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,493 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 81 [2024-12-02 06:48:13,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:48:13,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:48:13,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:48:13,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:48:13,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,503 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,511 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 06:48:13,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,516 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:48:13,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:48:13,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:48:13,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:48:13,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13" (1/1) ... [2024-12-02 06:48:13,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:48:13,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:48:13,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:48:13,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:48:13,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:48:13,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 06:48:13,584 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:48:13,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:48:13,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:48:13,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:48:13,639 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:48:13,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:48:13,814 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 06:48:13,814 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:48:13,821 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:48:13,821 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:48:13,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:48:13 BoogieIcfgContainer [2024-12-02 06:48:13,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:48:13,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:48:13,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:48:13,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:48:13,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:48:13" (1/3) ... [2024-12-02 06:48:13,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d2b830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:48:13, skipping insertion in model container [2024-12-02 06:48:13,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:13" (2/3) ... [2024-12-02 06:48:13,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d2b830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:48:13, skipping insertion in model container [2024-12-02 06:48:13,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:48:13" (3/3) ... [2024-12-02 06:48:13,836 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-9.i [2024-12-02 06:48:13,846 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:48:13,847 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-9.i that has 2 procedures, 35 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:48:13,887 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:48:13,897 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;@6be489cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:48:13,897 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:48:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 06:48:13,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-02 06:48:13,904 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:48:13,905 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:48:13,905 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:48:13,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:48:13,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1890713193, now seen corresponding path program 1 times [2024-12-02 06:48:13,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:48:13,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [805587333] [2024-12-02 06:48:13,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:48:13,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:48:13,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:48:13,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:48:13,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:48:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:48:14,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:48:14,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:48:14,047 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-02 06:48:14,048 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:48:14,048 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:48:14,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805587333] [2024-12-02 06:48:14,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805587333] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:48:14,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:48:14,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:48:14,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967113512] [2024-12-02 06:48:14,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:48:14,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:48:14,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:48:14,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:48:14,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:48:14,076 INFO L87 Difference]: Start difference. First operand has 35 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 06:48:14,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:48:14,089 INFO L93 Difference]: Finished difference Result 62 states and 94 transitions. [2024-12-02 06:48:14,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:48:14,091 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-12-02 06:48:14,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:48:14,094 INFO L225 Difference]: With dead ends: 62 [2024-12-02 06:48:14,094 INFO L226 Difference]: Without dead ends: 30 [2024-12-02 06:48:14,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:48:14,098 INFO L435 NwaCegarLoop]: 38 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, 38 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:48:14,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:48:14,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-12-02 06:48:14,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-12-02 06:48:14,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 06:48:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2024-12-02 06:48:14,127 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 47 [2024-12-02 06:48:14,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:48:14,128 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-12-02 06:48:14,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 06:48:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-12-02 06:48:14,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-02 06:48:14,130 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:48:14,130 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:48:14,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:48:14,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:48:14,330 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:48:14,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:48:14,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1140319529, now seen corresponding path program 1 times [2024-12-02 06:48:14,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:48:14,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397739612] [2024-12-02 06:48:14,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:48:14,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:48:14,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:48:14,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:48:14,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 06:48:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:48:14,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 06:48:14,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:48:14,799 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 06:48:14,799 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:48:14,800 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:48:14,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397739612] [2024-12-02 06:48:14,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397739612] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:48:14,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:48:14,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:48:14,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595058209] [2024-12-02 06:48:14,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:48:14,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:48:14,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:48:14,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:48:14,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:48:14,802 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:48:14,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:48:14,981 INFO L93 Difference]: Finished difference Result 84 states and 108 transitions. [2024-12-02 06:48:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:48:14,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 47 [2024-12-02 06:48:14,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:48:14,982 INFO L225 Difference]: With dead ends: 84 [2024-12-02 06:48:14,982 INFO L226 Difference]: Without dead ends: 57 [2024-12-02 06:48:14,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:48:14,983 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 26 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:48:14,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 103 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:48:14,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-12-02 06:48:14,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2024-12-02 06:48:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 06:48:14,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2024-12-02 06:48:14,995 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 47 [2024-12-02 06:48:14,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:48:14,996 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2024-12-02 06:48:14,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:48:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2024-12-02 06:48:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-02 06:48:14,997 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:48:14,997 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:48:15,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 06:48:15,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:48:15,198 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:48:15,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:48:15,198 INFO L85 PathProgramCache]: Analyzing trace with hash -460261159, now seen corresponding path program 1 times [2024-12-02 06:48:15,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:48:15,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1156579289] [2024-12-02 06:48:15,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:48:15,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:48:15,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:48:15,200 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:48:15,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 06:48:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:48:15,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 06:48:15,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:49:01,157 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-02 06:49:01,158 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:49:01,158 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:49:01,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156579289] [2024-12-02 06:49:01,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156579289] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:49:01,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:49:01,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:49:01,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198642911] [2024-12-02 06:49:01,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:49:01,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:49:01,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:49:01,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:49:01,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:49:01,160 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:49:01,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:49:01,503 INFO L93 Difference]: Finished difference Result 128 states and 162 transitions. [2024-12-02 06:49:01,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:49:01,505 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 47 [2024-12-02 06:49:01,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:49:01,506 INFO L225 Difference]: With dead ends: 128 [2024-12-02 06:49:01,506 INFO L226 Difference]: Without dead ends: 101 [2024-12-02 06:49:01,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:49:01,507 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 53 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:49:01,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 170 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:49:01,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-12-02 06:49:01,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 75. [2024-12-02 06:49:01,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 53 states have internal predecessors, (60), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:49:01,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2024-12-02 06:49:01,517 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 47 [2024-12-02 06:49:01,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:49:01,518 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2024-12-02 06:49:01,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:49:01,518 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2024-12-02 06:49:01,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-02 06:49:01,519 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:49:01,519 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:49:01,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 06:49:01,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:49:01,719 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:49:01,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:49:01,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1314746203, now seen corresponding path program 1 times [2024-12-02 06:49:01,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:49:01,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [875522832] [2024-12-02 06:49:01,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:49:01,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:49:01,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:49:01,722 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:49:01,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 06:49:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:49:01,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 06:49:01,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:49:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-02 06:49:24,896 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:49:24,896 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:49:24,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875522832] [2024-12-02 06:49:24,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875522832] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:49:24,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:49:24,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:49:24,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223405792] [2024-12-02 06:49:24,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:49:24,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:49:24,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:49:24,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:49:24,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:49:24,898 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:49:25,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:49:25,229 INFO L93 Difference]: Finished difference Result 95 states and 117 transitions. [2024-12-02 06:49:25,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:49:25,231 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 47 [2024-12-02 06:49:25,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:49:25,232 INFO L225 Difference]: With dead ends: 95 [2024-12-02 06:49:25,232 INFO L226 Difference]: Without dead ends: 93 [2024-12-02 06:49:25,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:49:25,233 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 47 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:49:25,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 178 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:49:25,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-12-02 06:49:25,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 70. [2024-12-02 06:49:25,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.125) internal successors, (54), 48 states have internal predecessors, (54), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:49:25,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2024-12-02 06:49:25,247 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 47 [2024-12-02 06:49:25,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:49:25,247 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2024-12-02 06:49:25,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:49:25,247 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2024-12-02 06:49:25,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 06:49:25,249 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:49:25,249 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:49:25,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 06:49:25,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:49:25,449 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:49:25,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:49:25,450 INFO L85 PathProgramCache]: Analyzing trace with hash -14189008, now seen corresponding path program 1 times [2024-12-02 06:49:25,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:49:25,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1555757928] [2024-12-02 06:49:25,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:49:25,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:49:25,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:49:25,452 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:49:25,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 06:49:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:49:25,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 06:49:25,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:49:56,089 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-12-02 06:49:56,089 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:51:30,447 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-12-02 06:51:30,447 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:51:30,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555757928] [2024-12-02 06:51:30,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555757928] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:51:30,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:51:30,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 22 [2024-12-02 06:51:30,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772170579] [2024-12-02 06:51:30,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:51:30,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:51:30,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:51:30,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:51:30,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2024-12-02 06:51:30,449 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:51:33,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 06:51:33,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:51:33,490 INFO L93 Difference]: Finished difference Result 70 states and 90 transitions. [2024-12-02 06:51:33,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:51:33,492 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 91 [2024-12-02 06:51:33,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:51:33,493 INFO L225 Difference]: With dead ends: 70 [2024-12-02 06:51:33,493 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 06:51:33,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2024-12-02 06:51:33,494 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 20 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:51:33,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 113 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-12-02 06:51:33,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 06:51:33,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 06:51:33,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:51:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 06:51:33,495 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2024-12-02 06:51:33,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:51:33,496 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:51:33,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 06:51:33,496 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 06:51:33,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 06:51:33,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:51:33,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-02 06:51:33,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:51:33,701 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-12-02 06:51:33,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 06:51:34,364 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:51:34,375 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 06:51:34,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 06:51:34,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 06:51:34,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 06:51:34,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:51:34 BoogieIcfgContainer [2024-12-02 06:51:34,379 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:51:34,380 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:51:34,380 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:51:34,380 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:51:34,380 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:48:13" (3/4) ... [2024-12-02 06:51:34,382 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 06:51:34,387 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 06:51:34,391 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-02 06:51:34,391 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 06:51:34,391 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 06:51:34,391 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 06:51:34,464 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 06:51:34,465 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 06:51:34,465 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:51:34,465 INFO L158 Benchmark]: Toolchain (without parser) took 201201.38ms. Allocated memory was 92.3MB in the beginning and 687.9MB in the end (delta: 595.6MB). Free memory was 69.7MB in the beginning and 456.2MB in the end (delta: -386.6MB). Peak memory consumption was 203.6MB. Max. memory is 16.1GB. [2024-12-02 06:51:34,466 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:51:34,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.81ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 56.6MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:51:34,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.00ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:51:34,467 INFO L158 Benchmark]: Boogie Preprocessor took 31.23ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 53.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:51:34,467 INFO L158 Benchmark]: RCFGBuilder took 296.04ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 40.0MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:51:34,467 INFO L158 Benchmark]: TraceAbstraction took 200555.51ms. Allocated memory was 92.3MB in the beginning and 687.9MB in the end (delta: 595.6MB). Free memory was 39.4MB in the beginning and 460.2MB in the end (delta: -420.9MB). Peak memory consumption was 178.5MB. Max. memory is 16.1GB. [2024-12-02 06:51:34,467 INFO L158 Benchmark]: Witness Printer took 85.10ms. Allocated memory is still 687.9MB. Free memory was 460.2MB in the beginning and 456.2MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:51:34,469 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.81ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 56.6MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.00ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.23ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 53.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.04ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 40.0MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 200555.51ms. Allocated memory was 92.3MB in the beginning and 687.9MB in the end (delta: 595.6MB). Free memory was 39.4MB in the beginning and 460.2MB in the end (delta: -420.9MB). Peak memory consumption was 178.5MB. Max. memory is 16.1GB. * Witness Printer took 85.10ms. Allocated memory is still 687.9MB. Free memory was 460.2MB in the beginning and 456.2MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 199.8s, OverallIterations: 5, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 146 mSDsluCounter, 602 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 465 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 477 IncrementalHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 137 mSDtfsCounter, 477 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=3, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 56 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 194.4s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 364 ConstructedInterpolants, 1 QuantifiedInterpolants, 3263 SizeOfPredicates, 50 NumberOfNonLiveVariables, 537 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 781/806 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((10 == last_1_var_1_1) && (var_1_1 == 10)) && (1 == var_1_12)) && (last_1_var_1_12 == 1)) || (((((64 == var_1_9) && (var_1_14 == var_1_12)) && (((var_1_12 == last_1_var_1_12) && (var_1_1 == var_1_3)) || (((last_1_var_1_1 + last_1_var_1_12) % 4294967296) < 10))) && (var_1_11 == var_1_10)) && ((var_1_1 == var_1_3) || !(((last_1_var_1_1 + last_1_var_1_12) % 4294967296) < 10)))) RESULT: Ultimate proved your program to be correct! [2024-12-02 06:51:34,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba42e93-737d-4a4e-b891-fe73f1020d78/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE