./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-35.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_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/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_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/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_517693c0-db83-4e90-b0e6-792591c708a6/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 aaf221d7158743008ea81fbb0e586b6f2b82c6a21578c56e13bae7eee02457d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:03:47,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:03:47,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-01 23:03:47,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:03:47,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:03:47,148 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:03:47,149 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:03:47,149 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:03:47,149 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:03:47,149 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:03:47,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:03:47,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:03:47,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:03:47,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:03:47,150 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:03:47,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:03:47,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:03:47,150 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:03:47,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:03:47,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:03:47,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:03:47,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:03:47,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:03:47,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:03:47,151 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:03:47,151 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:03:47,151 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:03:47,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:03:47,151 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:03:47,151 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:03:47,151 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:03:47,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:03:47,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:47,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:03:47,152 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:03:47,152 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:03:47,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:03:47,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:47,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:03:47,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:03:47,152 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:03:47,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:03:47,153 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 23:03:47,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 23:03:47,153 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:03:47,153 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:03:47,153 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:03:47,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:03:47,153 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_517693c0-db83-4e90-b0e6-792591c708a6/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 -> aaf221d7158743008ea81fbb0e586b6f2b82c6a21578c56e13bae7eee02457d5 [2024-12-01 23:03:47,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:03:47,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:03:47,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:03:47,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:03:47,395 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:03:47,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-35.i [2024-12-01 23:03:50,013 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/data/2fd6dd51d/0ebae9335699437c92298ddc4c15da4f/FLAGb4af87384 [2024-12-01 23:03:50,206 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:03:50,206 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-35.i [2024-12-01 23:03:50,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/data/2fd6dd51d/0ebae9335699437c92298ddc4c15da4f/FLAGb4af87384 [2024-12-01 23:03:50,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/data/2fd6dd51d/0ebae9335699437c92298ddc4c15da4f [2024-12-01 23:03:50,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:03:50,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:03:50,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:03:50,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:03:50,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:03:50,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b92755d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50, skipping insertion in model container [2024-12-01 23:03:50,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,255 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:03:50,382 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_517693c0-db83-4e90-b0e6-792591c708a6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-35.i[917,930] [2024-12-01 23:03:50,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:03:50,427 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:03:50,437 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_517693c0-db83-4e90-b0e6-792591c708a6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-35.i[917,930] [2024-12-01 23:03:50,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:03:50,470 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:03:50,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50 WrapperNode [2024-12-01 23:03:50,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:03:50,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:03:50,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:03:50,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:03:50,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,507 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-12-01 23:03:50,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:03:50,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:03:50,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:03:50,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:03:50,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,518 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,529 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]. [2024-12-01 23:03:50,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,534 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:03:50,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:03:50,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:03:50,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:03:50,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50" (1/1) ... [2024-12-01 23:03:50,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:50,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:03:50,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:03:50,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:03:50,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:03:50,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-01 23:03:50,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-01 23:03:50,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 23:03:50,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:03:50,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:03:50,661 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:03:50,663 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:03:50,860 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-01 23:03:50,860 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:03:50,870 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:03:50,870 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-01 23:03:50,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:03:50 BoogieIcfgContainer [2024-12-01 23:03:50,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:03:50,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:03:50,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:03:50,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:03:50,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:03:50" (1/3) ... [2024-12-01 23:03:50,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2c796f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:03:50, skipping insertion in model container [2024-12-01 23:03:50,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:50" (2/3) ... [2024-12-01 23:03:50,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2c796f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:03:50, skipping insertion in model container [2024-12-01 23:03:50,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:03:50" (3/3) ... [2024-12-01 23:03:50,880 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-35.i [2024-12-01 23:03:50,894 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:03:50,896 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-35.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-01 23:03:50,946 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:03:50,955 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;@234f5027, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:03:50,955 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-01 23:03:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:03:50,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-01 23:03:50,968 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:50,969 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:50,969 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:50,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:50,974 INFO L85 PathProgramCache]: Analyzing trace with hash -232387294, now seen corresponding path program 1 times [2024-12-01 23:03:50,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:50,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856338958] [2024-12-01 23:03:50,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:50,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:51,198 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-01 23:03:51,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:51,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856338958] [2024-12-01 23:03:51,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856338958] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:03:51,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840111442] [2024-12-01 23:03:51,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:51,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:03:51,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:03:51,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:03:51,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-01 23:03:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:51,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-01 23:03:51,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:03:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-01 23:03:51,365 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:03:51,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840111442] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:51,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:03:51,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-01 23:03:51,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162492812] [2024-12-01 23:03:51,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:51,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:03:51,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:51,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:03:51,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:03:51,392 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-01 23:03:51,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:51,413 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2024-12-01 23:03:51,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:03:51,415 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-12-01 23:03:51,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:51,420 INFO L225 Difference]: With dead ends: 101 [2024-12-01 23:03:51,420 INFO L226 Difference]: Without dead ends: 50 [2024-12-01 23:03:51,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:03:51,425 INFO L435 NwaCegarLoop]: 73 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, 73 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 [2024-12-01 23:03:51,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:03:51,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-12-01 23:03:51,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-12-01 23:03:51,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:03:51,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-12-01 23:03:51,459 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 115 [2024-12-01 23:03:51,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:51,460 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-12-01 23:03:51,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-01 23:03:51,460 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-12-01 23:03:51,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-01 23:03:51,463 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:51,463 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:51,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-01 23:03:51,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-01 23:03:51,664 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:51,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:51,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1342920990, now seen corresponding path program 1 times [2024-12-01 23:03:51,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:51,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386612091] [2024-12-01 23:03:51,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:51,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-01 23:03:51,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:51,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386612091] [2024-12-01 23:03:51,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386612091] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:51,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:03:51,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:03:51,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266842329] [2024-12-01 23:03:51,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:51,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:03:51,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:51,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:03:51,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:03:51,830 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:51,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:51,870 INFO L93 Difference]: Finished difference Result 142 states and 209 transitions. [2024-12-01 23:03:51,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:03:51,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 115 [2024-12-01 23:03:51,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:51,872 INFO L225 Difference]: With dead ends: 142 [2024-12-01 23:03:51,873 INFO L226 Difference]: Without dead ends: 95 [2024-12-01 23:03:51,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:03:51,874 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 66 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:51,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 136 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:03:51,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-12-01 23:03:51,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 51. [2024-12-01 23:03:51,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:03:51,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2024-12-01 23:03:51,882 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 115 [2024-12-01 23:03:51,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:51,883 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2024-12-01 23:03:51,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2024-12-01 23:03:51,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-01 23:03:51,885 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:51,885 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:51,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-01 23:03:51,885 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:51,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:51,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1400179292, now seen corresponding path program 1 times [2024-12-01 23:03:51,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:51,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503028801] [2024-12-01 23:03:51,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:51,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:52,037 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-01 23:03:52,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:52,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503028801] [2024-12-01 23:03:52,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503028801] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:52,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:03:52,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:03:52,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955908448] [2024-12-01 23:03:52,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:52,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:03:52,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:52,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:03:52,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:03:52,039 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:52,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:52,058 INFO L93 Difference]: Finished difference Result 99 states and 143 transitions. [2024-12-01 23:03:52,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:03:52,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 115 [2024-12-01 23:03:52,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:52,060 INFO L225 Difference]: With dead ends: 99 [2024-12-01 23:03:52,060 INFO L226 Difference]: Without dead ends: 51 [2024-12-01 23:03:52,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:03:52,061 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:52,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:03:52,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-12-01 23:03:52,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-12-01 23:03:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:03:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2024-12-01 23:03:52,068 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 115 [2024-12-01 23:03:52,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:52,068 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2024-12-01 23:03:52,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:52,068 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2024-12-01 23:03:52,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-01 23:03:52,070 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:52,070 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:52,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-01 23:03:52,070 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:52,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:52,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1793206302, now seen corresponding path program 1 times [2024-12-01 23:03:52,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:52,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071981400] [2024-12-01 23:03:52,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:52,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-01 23:03:52,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:52,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071981400] [2024-12-01 23:03:52,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071981400] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:03:52,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947733890] [2024-12-01 23:03:52,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:52,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:03:52,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:03:52,531 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:03:52,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-01 23:03:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:52,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-01 23:03:52,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:03:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 303 proven. 18 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-12-01 23:03:52,772 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:03:53,005 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-01 23:03:53,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947733890] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:03:53,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:03:53,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-12-01 23:03:53,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251564419] [2024-12-01 23:03:53,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:03:53,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-01 23:03:53,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:53,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-01 23:03:53,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-12-01 23:03:53,007 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-01 23:03:53,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:53,577 INFO L93 Difference]: Finished difference Result 214 states and 292 transitions. [2024-12-01 23:03:53,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-01 23:03:53,578 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 115 [2024-12-01 23:03:53,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:53,580 INFO L225 Difference]: With dead ends: 214 [2024-12-01 23:03:53,580 INFO L226 Difference]: Without dead ends: 166 [2024-12-01 23:03:53,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 227 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2024-12-01 23:03:53,582 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 202 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:53,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 223 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-01 23:03:53,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-12-01 23:03:53,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 56. [2024-12-01 23:03:53,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:03:53,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 76 transitions. [2024-12-01 23:03:53,600 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 76 transitions. Word has length 115 [2024-12-01 23:03:53,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:53,600 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 76 transitions. [2024-12-01 23:03:53,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-01 23:03:53,601 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2024-12-01 23:03:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-01 23:03:53,602 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:53,602 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:53,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-01 23:03:53,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:03:53,803 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:53,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:53,803 INFO L85 PathProgramCache]: Analyzing trace with hash -726753632, now seen corresponding path program 1 times [2024-12-01 23:03:53,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:53,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612722668] [2024-12-01 23:03:53,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:53,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:03:53,851 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:03:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:03:53,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-01 23:03:53,930 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-01 23:03:53,931 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-01 23:03:53,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-01 23:03:53,935 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-12-01 23:03:53,992 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-01 23:03:53,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:03:53 BoogieIcfgContainer [2024-12-01 23:03:53,995 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-01 23:03:53,995 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-01 23:03:53,995 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-01 23:03:53,995 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-01 23:03:53,996 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:03:50" (3/4) ... [2024-12-01 23:03:53,998 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-01 23:03:53,998 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-01 23:03:53,999 INFO L158 Benchmark]: Toolchain (without parser) took 3766.94ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 65.6MB in the end (delta: 51.5MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-01 23:03:53,999 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:03:54,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.42ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 104.1MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:03:54,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.61ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:03:54,000 INFO L158 Benchmark]: Boogie Preprocessor took 34.73ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 99.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:03:54,000 INFO L158 Benchmark]: RCFGBuilder took 327.83ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 83.2MB in the end (delta: 16.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:03:54,001 INFO L158 Benchmark]: TraceAbstraction took 3121.88ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 66.9MB in the end (delta: 15.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-12-01 23:03:54,001 INFO L158 Benchmark]: Witness Printer took 3.47ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 65.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:03:54,002 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.42ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 104.1MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.61ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.73ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 99.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 327.83ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 83.2MB in the end (delta: 16.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3121.88ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 66.9MB in the end (delta: 15.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 3.47ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 65.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someUnaryDOUBLEoperation at line 24, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 4.8; [L23] float var_1_4 = 255.1; [L24] float var_1_5 = -0.6; [L25] signed short int var_1_6 = -10; [L26] unsigned char var_1_8 = 1; [L27] signed char var_1_11 = -2; [L28] signed char var_1_12 = 10; [L29] signed char var_1_13 = 5; [L30] signed char var_1_14 = -1; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 0; [L33] unsigned char var_1_17 = 1; [L34] unsigned char var_1_18 = 5; [L35] unsigned char var_1_19 = 64; [L36] unsigned char var_1_20 = 5; [L37] unsigned char last_1_var_1_18 = 5; VAL [isInitial=0, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_4=2551/10, var_1_6=-10, var_1_8=1] [L107] isInitial = 1 [L108] FCALL initially() [L110] CALL updateLastVariables() [L100] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_4=2551/10, var_1_6=-10, var_1_8=1] [L110] RET updateLastVariables() [L111] CALL updateVariables() [L70] var_1_4 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L71] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L72] var_1_5 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L73] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L74] var_1_8 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10] [L75] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10] [L76] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L76] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L77] var_1_12 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L78] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L79] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L79] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L80] var_1_13 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_13 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L81] RET assume_abort_if_not(var_1_13 >= -31) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L82] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L82] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L83] var_1_14 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L84] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L85] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L85] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L86] var_1_16 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L87] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L88] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L88] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L89] var_1_17 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L90] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L91] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L91] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L92] var_1_19 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_19 >= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L93] RET assume_abort_if_not(var_1_19 >= 32) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L94] CALL assume_abort_if_not(var_1_19 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L94] RET assume_abort_if_not(var_1_19 <= 64) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L95] var_1_20 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_6=-10, var_1_8=0] [L96] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_6=-10, var_1_8=0] [L97] CALL assume_abort_if_not(var_1_20 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=32, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=32, var_1_6=-10, var_1_8=0] [L97] RET assume_abort_if_not(var_1_20 <= 32) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=32, var_1_6=-10, var_1_8=0] [L111] RET updateVariables() [L112] CALL step() [L41] signed long int stepLocal_0 = ~ last_1_var_1_18; VAL [isInitial=1, last_1_var_1_18=5, stepLocal_0=-6, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=32, var_1_6=-10, var_1_8=0] [L42] COND TRUE last_1_var_1_18 >= stepLocal_0 [L43] var_1_1 = (var_1_4 + var_1_5) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_20=32, var_1_6=-10, var_1_8=0] [L45] unsigned char stepLocal_1 = (var_1_1 * var_1_5) >= var_1_4; VAL [isInitial=1, last_1_var_1_18=5, stepLocal_1=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_20=32, var_1_6=-10, var_1_8=0] [L46] COND TRUE var_1_17 && stepLocal_1 [L47] var_1_18 = (2 + ((var_1_19 - var_1_20) + 32)) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=66, var_1_19=-8128, var_1_20=32, var_1_6=-10, var_1_8=0] [L51] COND FALSE !(\read(var_1_8)) [L54] var_1_15 = (! var_1_17) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=66, var_1_19=-8128, var_1_20=32, var_1_6=-10, var_1_8=0] [L56] COND FALSE !(\read(var_1_15)) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=66, var_1_19=-8128, var_1_20=32, var_1_6=-10, var_1_8=0] [L59] COND FALSE !(\read(var_1_15)) [L66] var_1_6 = var_1_11 VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=66, var_1_19=-8128, var_1_20=32, var_1_6=-2, var_1_8=0] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return (((((last_1_var_1_18 >= (~ last_1_var_1_18)) ? (var_1_1 == ((float) (var_1_4 + var_1_5))) : 1) && (var_1_15 ? (var_1_15 ? (var_1_6 == ((signed short int) (var_1_11 + var_1_11))) : (var_1_6 == ((signed short int) (var_1_11 + var_1_11)))) : (var_1_6 == ((signed short int) var_1_11)))) && (var_1_15 ? (var_1_11 == ((signed char) ((var_1_12 + ((((10) < (var_1_13)) ? (10) : (var_1_13)))) + var_1_14))) : 1)) && (var_1_8 ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) (! var_1_17))))) && ((var_1_17 && ((var_1_1 * var_1_5) >= var_1_4)) ? (var_1_18 == ((unsigned char) (2 + ((var_1_19 - var_1_20) + 32)))) : (var_1_18 == ((unsigned char) var_1_19))) ; VAL [\result=0, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=66, var_1_19=-8128, var_1_20=32, var_1_6=-2, var_1_8=0] [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=66, var_1_19=-8128, var_1_20=32, var_1_6=-2, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=66, var_1_19=-8128, var_1_20=32, var_1_6=-2, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 298 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 268 mSDsluCounter, 568 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 298 mSDsCounter, 142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 224 IncrementalHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 142 mSolverCounterUnsat, 270 mSDtfsCounter, 224 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 375 GetRequests, 347 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=4, InterpolantAutomatonStates: 33, 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, 4 MinimizatonAttempts, 154 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 805 NumberOfCodeBlocks, 805 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 798 ConstructedInterpolants, 0 QuantifiedInterpolants, 1133 SizeOfPredicates, 2 NumberOfNonLiveVariables, 529 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 4196/4284 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 [2024-12-01 23:03:54,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/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_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/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_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/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_517693c0-db83-4e90-b0e6-792591c708a6/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 aaf221d7158743008ea81fbb0e586b6f2b82c6a21578c56e13bae7eee02457d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:03:55,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:03:56,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-01 23:03:56,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:03:56,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:03:56,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:03:56,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:03:56,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:03:56,041 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:03:56,041 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:03:56,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:03:56,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:03:56,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:03:56,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:03:56,042 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:03:56,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:03:56,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:03:56,042 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:03:56,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:03:56,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:03:56,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:03:56,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:03:56,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:03:56,043 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-01 23:03:56,043 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-01 23:03:56,043 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-01 23:03:56,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:03:56,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:03:56,043 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:03:56,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:03:56,044 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:03:56,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:03:56,044 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:03:56,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:03:56,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:56,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:03:56,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:03:56,044 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:03:56,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:03:56,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:56,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:03:56,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:03:56,045 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:03:56,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:03:56,045 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-01 23:03:56,045 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-01 23:03:56,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:03:56,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:03:56,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:03:56,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:03:56,045 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_517693c0-db83-4e90-b0e6-792591c708a6/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 -> aaf221d7158743008ea81fbb0e586b6f2b82c6a21578c56e13bae7eee02457d5 [2024-12-01 23:03:56,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:03:56,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:03:56,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:03:56,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:03:56,286 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:03:56,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-35.i [2024-12-01 23:03:59,005 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/data/a9150797b/ffc1d1cf2e0e44ad9b5199ce99808b72/FLAG050004fb7 [2024-12-01 23:03:59,176 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:03:59,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-35.i [2024-12-01 23:03:59,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/data/a9150797b/ffc1d1cf2e0e44ad9b5199ce99808b72/FLAG050004fb7 [2024-12-01 23:03:59,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/data/a9150797b/ffc1d1cf2e0e44ad9b5199ce99808b72 [2024-12-01 23:03:59,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:03:59,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:03:59,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:03:59,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:03:59,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:03:59,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61098a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59, skipping insertion in model container [2024-12-01 23:03:59,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:03:59,326 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_517693c0-db83-4e90-b0e6-792591c708a6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-35.i[917,930] [2024-12-01 23:03:59,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:03:59,377 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:03:59,387 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_517693c0-db83-4e90-b0e6-792591c708a6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-35.i[917,930] [2024-12-01 23:03:59,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:03:59,420 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:03:59,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59 WrapperNode [2024-12-01 23:03:59,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:03:59,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:03:59,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:03:59,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:03:59,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,450 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-12-01 23:03:59,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:03:59,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:03:59,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:03:59,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:03:59,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,468 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]. [2024-12-01 23:03:59,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,475 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:03:59,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:03:59,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:03:59,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:03:59,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59" (1/1) ... [2024-12-01 23:03:59,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:59,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:03:59,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:03:59,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-01 23:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-01 23:03:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-01 23:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:03:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:03:59,595 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:03:59,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:04:00,399 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-01 23:04:00,399 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:04:00,407 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:04:00,407 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-01 23:04:00,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:04:00 BoogieIcfgContainer [2024-12-01 23:04:00,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:04:00,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:04:00,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:04:00,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:04:00,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:03:59" (1/3) ... [2024-12-01 23:04:00,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa1a1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:04:00, skipping insertion in model container [2024-12-01 23:04:00,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:59" (2/3) ... [2024-12-01 23:04:00,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa1a1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:04:00, skipping insertion in model container [2024-12-01 23:04:00,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:04:00" (3/3) ... [2024-12-01 23:04:00,413 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-35.i [2024-12-01 23:04:00,423 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:04:00,424 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-35.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-01 23:04:00,458 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:04:00,467 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;@13bc8e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:04:00,467 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-01 23:04:00,470 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:04:00,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-01 23:04:00,476 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:00,477 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:00,478 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:00,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:00,481 INFO L85 PathProgramCache]: Analyzing trace with hash -232387294, now seen corresponding path program 1 times [2024-12-01 23:04:00,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:00,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880006515] [2024-12-01 23:04:00,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:00,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:00,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:00,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-01 23:04:00,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-01 23:04:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:00,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-01 23:04:00,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:00,820 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-12-01 23:04:00,820 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:00,820 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:00,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [880006515] [2024-12-01 23:04:00,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [880006515] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:00,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:04:00,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 23:04:00,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260846518] [2024-12-01 23:04:00,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:00,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:04:00,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:00,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:04:00,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:04:00,847 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-01 23:04:00,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:00,869 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2024-12-01 23:04:00,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:04:00,871 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-12-01 23:04:00,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:00,876 INFO L225 Difference]: With dead ends: 101 [2024-12-01 23:04:00,876 INFO L226 Difference]: Without dead ends: 50 [2024-12-01 23:04:00,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:04:00,882 INFO L435 NwaCegarLoop]: 73 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, 73 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 [2024-12-01 23:04:00,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:04:00,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-12-01 23:04:00,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-12-01 23:04:00,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:04:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-12-01 23:04:00,919 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 115 [2024-12-01 23:04:00,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:00,919 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-12-01 23:04:00,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-01 23:04:00,920 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-12-01 23:04:00,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-01 23:04:00,922 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:00,922 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:00,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-01 23:04:01,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:01,123 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:01,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:01,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1342920990, now seen corresponding path program 1 times [2024-12-01 23:04:01,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:01,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334065460] [2024-12-01 23:04:01,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:01,125 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:01,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:01,126 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-01 23:04:01,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-01 23:04:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:01,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-01 23:04:01,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:01,422 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-01 23:04:01,422 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:01,422 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:01,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334065460] [2024-12-01 23:04:01,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334065460] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:01,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:04:01,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:04:01,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298940885] [2024-12-01 23:04:01,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:01,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:04:01,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:01,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:04:01,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:04:01,425 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:04:01,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:01,987 INFO L93 Difference]: Finished difference Result 97 states and 143 transitions. [2024-12-01 23:04:01,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:04:01,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 115 [2024-12-01 23:04:01,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:01,996 INFO L225 Difference]: With dead ends: 97 [2024-12-01 23:04:01,996 INFO L226 Difference]: Without dead ends: 50 [2024-12-01 23:04:01,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:04:01,997 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:01,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-01 23:04:01,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-12-01 23:04:02,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-12-01 23:04:02,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:04:02,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-12-01 23:04:02,004 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 115 [2024-12-01 23:04:02,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:02,005 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-12-01 23:04:02,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:04:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-12-01 23:04:02,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-01 23:04:02,007 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:02,007 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:02,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-01 23:04:02,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:02,207 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:02,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:02,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1735948000, now seen corresponding path program 1 times [2024-12-01 23:04:02,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:02,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888746664] [2024-12-01 23:04:02,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:02,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:02,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:02,211 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-01 23:04:02,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-01 23:04:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:02,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-01 23:04:02,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:02,690 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 303 proven. 18 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-12-01 23:04:02,690 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:04:02,979 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-01 23:04:02,979 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:02,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [888746664] [2024-12-01 23:04:02,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [888746664] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:04:02,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-01 23:04:02,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-01 23:04:02,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748809833] [2024-12-01 23:04:02,980 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-01 23:04:02,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 23:04:02,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:02,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 23:04:02,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-01 23:04:02,981 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-01 23:04:04,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:04,409 INFO L93 Difference]: Finished difference Result 213 states and 296 transitions. [2024-12-01 23:04:04,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-01 23:04:04,409 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 115 [2024-12-01 23:04:04,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:04,411 INFO L225 Difference]: With dead ends: 213 [2024-12-01 23:04:04,411 INFO L226 Difference]: Without dead ends: 166 [2024-12-01 23:04:04,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2024-12-01 23:04:04,413 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 123 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:04,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 222 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-01 23:04:04,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-12-01 23:04:04,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 56. [2024-12-01 23:04:04,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:04:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 76 transitions. [2024-12-01 23:04:04,424 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 76 transitions. Word has length 115 [2024-12-01 23:04:04,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:04,425 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 76 transitions. [2024-12-01 23:04:04,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-01 23:04:04,425 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2024-12-01 23:04:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-01 23:04:04,426 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:04,426 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:04,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-01 23:04:04,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:04,627 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:04,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:04,627 INFO L85 PathProgramCache]: Analyzing trace with hash -726753632, now seen corresponding path program 1 times [2024-12-01 23:04:04,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:04,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357207506] [2024-12-01 23:04:04,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:04,627 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:04,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:04,629 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-01 23:04:04,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-01 23:04:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:04,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-01 23:04:04,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:05:08,499 WARN L286 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-01 23:06:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 281 proven. 15 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-12-01 23:06:39,486 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:13:05,435 WARN L286 SmtUtils]: Spent 23.48s on a formula simplification. DAG size of input: 136 DAG size of output: 134 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-01 23:13:38,670 WARN L286 SmtUtils]: Spent 6.99s on a formula simplification. DAG size of input: 41 DAG size of output: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-01 23:14:50,310 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:14:50,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357207506] [2024-12-01 23:14:50,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357207506] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:14:50,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [187265835] [2024-12-01 23:14:50,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:50,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-01 23:14:50,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-01 23:14:50,317 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-01 23:14:50,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517693c0-db83-4e90-b0e6-792591c708a6/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-01 23:14:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:50,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-01 23:14:50,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:16:32,976 WARN L286 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-01 23:17:00,020 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-01 23:17:32,609 WARN L286 SmtUtils]: Spent 7.37s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-01 23:18:17,635 WARN L286 SmtUtils]: Spent 12.88s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)