./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.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_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/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_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/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_087e94bc-307f-49c9-8358-3b769d6498cf/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 2f49db024cf89bfd4f79528ea90efdc9ebcf8b7a9e599658c336eeffe7b60010 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:31:25,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:31:25,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 08:31:25,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:31:25,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:31:25,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:31:25,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:31:25,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:31:25,247 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:31:25,247 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:31:25,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:31:25,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:31:25,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:31:25,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:31:25,248 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:31:25,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:31:25,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:31:25,248 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:31:25,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:31:25,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:31:25,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:31:25,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:31:25,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:31:25,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:31:25,248 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:31:25,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:31:25,249 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:31:25,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:31:25,249 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:31:25,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:31:25,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:31:25,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:31:25,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:31:25,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:31:25,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:31:25,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:31:25,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:31:25,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:31:25,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:31:25,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:31:25,250 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:31:25,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:31:25,250 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:31:25,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:31:25,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:31:25,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:31:25,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:31:25,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:31:25,250 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_087e94bc-307f-49c9-8358-3b769d6498cf/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 -> 2f49db024cf89bfd4f79528ea90efdc9ebcf8b7a9e599658c336eeffe7b60010 [2024-12-02 08:31:25,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:31:25,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:31:25,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:31:25,497 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:31:25,498 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:31:25,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.i [2024-12-02 08:31:28,135 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/data/635a4ee68/f1c92c8b79d849d7995386a575ab7a25/FLAGcbf556a50 [2024-12-02 08:31:28,362 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:31:28,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.i [2024-12-02 08:31:28,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/data/635a4ee68/f1c92c8b79d849d7995386a575ab7a25/FLAGcbf556a50 [2024-12-02 08:31:28,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/data/635a4ee68/f1c92c8b79d849d7995386a575ab7a25 [2024-12-02 08:31:28,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:31:28,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:31:28,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:31:28,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:31:28,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:31:28,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a2737c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28, skipping insertion in model container [2024-12-02 08:31:28,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:31:28,530 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_087e94bc-307f-49c9-8358-3b769d6498cf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.i[915,928] [2024-12-02 08:31:28,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:31:28,569 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:31:28,576 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_087e94bc-307f-49c9-8358-3b769d6498cf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.i[915,928] [2024-12-02 08:31:28,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:31:28,600 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:31:28,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28 WrapperNode [2024-12-02 08:31:28,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:31:28,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:31:28,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:31:28,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:31:28,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,631 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-12-02 08:31:28,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:31:28,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:31:28,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:31:28,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:31:28,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,640 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,650 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 08:31:28,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,655 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:31:28,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:31:28,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:31:28,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:31:28,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28" (1/1) ... [2024-12-02 08:31:28,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:31:28,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:31:28,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:31:28,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:31:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:31:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:31:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:31:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:31:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:31:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:31:28,767 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:31:28,768 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:31:28,950 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-02 08:31:28,950 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:31:28,960 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:31:28,960 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 08:31:28,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:31:28 BoogieIcfgContainer [2024-12-02 08:31:28,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:31:28,962 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:31:28,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:31:28,967 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:31:28,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:31:28" (1/3) ... [2024-12-02 08:31:28,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7549156f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:31:28, skipping insertion in model container [2024-12-02 08:31:28,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:28" (2/3) ... [2024-12-02 08:31:28,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7549156f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:31:28, skipping insertion in model container [2024-12-02 08:31:28,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:31:28" (3/3) ... [2024-12-02 08:31:28,969 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-80.i [2024-12-02 08:31:28,980 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:31:28,981 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-80.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:31:29,025 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:31:29,035 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;@26d883d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:31:29,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:31:29,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 08:31:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 08:31:29,046 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:31:29,047 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:31:29,047 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:31:29,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:31:29,052 INFO L85 PathProgramCache]: Analyzing trace with hash -82605872, now seen corresponding path program 1 times [2024-12-02 08:31:29,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:31:29,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817888046] [2024-12-02 08:31:29,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:31:29,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:31:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:31:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 08:31:29,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:31:29,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817888046] [2024-12-02 08:31:29,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817888046] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:31:29,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862054208] [2024-12-02 08:31:29,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:31:29,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:31:29,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:31:29,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:31:29,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:31:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:31:29,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:31:29,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:31:29,452 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 08:31:29,452 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:31:29,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862054208] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:31:29,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:31:29,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 08:31:29,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51928182] [2024-12-02 08:31:29,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:31:29,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:31:29,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:31:29,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:31:29,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:31:29,478 INFO L87 Difference]: Start difference. First operand has 61 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 08:31:29,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:31:29,499 INFO L93 Difference]: Finished difference Result 119 states and 201 transitions. [2024-12-02 08:31:29,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:31:29,501 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 136 [2024-12-02 08:31:29,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:31:29,507 INFO L225 Difference]: With dead ends: 119 [2024-12-02 08:31:29,507 INFO L226 Difference]: Without dead ends: 57 [2024-12-02 08:31:29,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:31:29,511 INFO L435 NwaCegarLoop]: 88 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, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:31:29,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:31:29,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-12-02 08:31:29,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-12-02 08:31:29,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 08:31:29,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2024-12-02 08:31:29,541 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 136 [2024-12-02 08:31:29,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:31:29,541 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2024-12-02 08:31:29,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 08:31:29,541 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2024-12-02 08:31:29,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 08:31:29,543 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:31:29,544 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:31:29,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:31:29,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 08:31:29,744 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:31:29,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:31:29,745 INFO L85 PathProgramCache]: Analyzing trace with hash -2146472628, now seen corresponding path program 1 times [2024-12-02 08:31:29,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:31:29,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50247647] [2024-12-02 08:31:29,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:31:29,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:31:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 08:31:29,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1460831730] [2024-12-02 08:31:29,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:31:29,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:31:29,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:31:29,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:31:29,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:31:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:31:29,977 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:31:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:31:30,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 08:31:30,086 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 08:31:30,087 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 08:31:30,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 08:31:30,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:31:30,292 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 08:31:30,352 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:31:30,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:31:30 BoogieIcfgContainer [2024-12-02 08:31:30,355 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:31:30,356 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:31:30,356 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:31:30,356 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:31:30,357 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:31:28" (3/4) ... [2024-12-02 08:31:30,359 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 08:31:30,360 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:31:30,361 INFO L158 Benchmark]: Toolchain (without parser) took 1976.14ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 60.4MB in the end (delta: 57.3MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-12-02 08:31:30,361 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:31:30,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.64ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 104.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:31:30,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.58ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:31:30,362 INFO L158 Benchmark]: Boogie Preprocessor took 31.64ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 101.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:31:30,362 INFO L158 Benchmark]: RCFGBuilder took 296.49ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 86.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:31:30,363 INFO L158 Benchmark]: TraceAbstraction took 1392.73ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 60.4MB in the end (delta: 24.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-02 08:31:30,363 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 142.6MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 13.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:31:30,365 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.64ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 104.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.58ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.64ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 101.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.49ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 86.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1392.73ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 60.4MB in the end (delta: 24.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 142.6MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 13.8kB). 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 91, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed long int var_1_2 = -128; [L24] signed long int var_1_3 = 8; [L25] signed long int var_1_4 = 0; [L26] signed long int var_1_5 = 8; [L27] signed long int var_1_6 = 10; [L28] signed long int var_1_7 = 5; [L29] signed long int var_1_8 = 128; [L30] signed short int var_1_9 = 128; [L31] float var_1_10 = 64.4; [L32] float var_1_11 = 10.25; [L33] double var_1_12 = 63.175; [L34] unsigned char var_1_13 = 1; [L35] double var_1_14 = 128.5; [L36] double var_1_15 = 128.8; VAL [isInitial=0, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=-128, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L107] isInitial = 1 [L108] FCALL initially() [L109] int k_loop; [L110] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=-128, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L110] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=-128, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L111] FCALL updateLastVariables() [L112] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L66] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L67] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L67] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L68] var_1_3 = __VERIFIER_nondet_long() [L69] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L69] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L70] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L70] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L71] var_1_4 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L73] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L73] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L74] var_1_5 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L75] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L76] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L76] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L77] var_1_6 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L79] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L79] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L80] var_1_7 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L81] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L82] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L82] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L83] var_1_8 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L84] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L85] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L85] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L86] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L86] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L87] var_1_9 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_9 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L88] RET assume_abort_if_not(var_1_9 >= -32767) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L89] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L89] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L90] var_1_11 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L91] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L92] var_1_13 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L93] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L94] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L94] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L95] var_1_14 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L96] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L97] var_1_15 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L98] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L112] RET updateVariables() [L113] CALL step() [L40] COND TRUE (((((var_1_3 - var_1_4)) > (var_1_2)) ? ((var_1_3 - var_1_4)) : (var_1_2))) <= (((((var_1_5 - var_1_6)) < ((var_1_7 % var_1_8))) ? ((var_1_5 - var_1_6)) : ((var_1_7 % var_1_8)))) [L41] var_1_1 = var_1_9 VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L43] COND FALSE !(var_1_8 > var_1_1) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L48] signed long int stepLocal_1 = var_1_5; [L49] signed short int stepLocal_0 = var_1_1; VAL [isInitial=1, stepLocal_0=3, stepLocal_1=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L50] COND FALSE !(stepLocal_0 <= var_1_8) [L61] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_1=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L113] RET step() [L114] CALL, EXPR property() [L103-L104] return ((((((((var_1_3 - var_1_4)) > (var_1_2)) ? ((var_1_3 - var_1_4)) : (var_1_2))) <= (((((var_1_5 - var_1_6)) < ((var_1_7 % var_1_8))) ? ((var_1_5 - var_1_6)) : ((var_1_7 % var_1_8))))) ? (var_1_1 == ((signed short int) var_1_9)) : 1) && ((var_1_8 > var_1_1) ? ((var_1_1 == var_1_4) ? (var_1_10 == ((float) var_1_11)) : 1) : 1)) && ((var_1_1 <= var_1_8) ? ((var_1_5 != -64) ? (var_1_13 ? (var_1_12 == ((double) ((((var_1_14 - var_1_15) < 0 ) ? -(var_1_14 - var_1_15) : (var_1_14 - var_1_15))))) : (var_1_12 == ((double) (var_1_15 - var_1_14)))) : (var_1_12 == ((double) 32.8))) : (var_1_12 == ((double) var_1_11))) ; VAL [\result=0, isInitial=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L19] reach_error() VAL [isInitial=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 88 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 544 NumberOfCodeBlocks, 544 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 270 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 302 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1806/1848 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 08:31:30,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/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_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/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_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/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_087e94bc-307f-49c9-8358-3b769d6498cf/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 2f49db024cf89bfd4f79528ea90efdc9ebcf8b7a9e599658c336eeffe7b60010 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:31:32,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:31:32,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 08:31:32,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:31:32,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:31:32,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:31:32,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:31:32,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:31:32,403 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:31:32,403 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:31:32,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:31:32,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:31:32,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:31:32,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:31:32,404 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:31:32,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:31:32,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:31:32,404 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:31:32,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:31:32,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:31:32,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:31:32,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:31:32,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:31:32,405 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 08:31:32,405 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 08:31:32,405 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 08:31:32,405 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:31:32,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:31:32,405 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:31:32,405 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:31:32,405 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:31:32,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:31:32,406 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:31:32,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:31:32,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:31:32,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:31:32,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:31:32,406 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:31:32,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:31:32,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:31:32,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:31:32,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:31:32,406 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:31:32,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:31:32,407 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 08:31:32,407 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 08:31:32,407 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:31:32,407 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:31:32,407 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:31:32,407 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:31:32,407 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_087e94bc-307f-49c9-8358-3b769d6498cf/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 -> 2f49db024cf89bfd4f79528ea90efdc9ebcf8b7a9e599658c336eeffe7b60010 [2024-12-02 08:31:32,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:31:32,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:31:32,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:31:32,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:31:32,646 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:31:32,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.i [2024-12-02 08:31:35,324 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/data/a27f6dd05/15bcb37672ec4013af4060271f4b6c31/FLAG0571a8263 [2024-12-02 08:31:35,480 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:31:35,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.i [2024-12-02 08:31:35,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/data/a27f6dd05/15bcb37672ec4013af4060271f4b6c31/FLAG0571a8263 [2024-12-02 08:31:35,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/data/a27f6dd05/15bcb37672ec4013af4060271f4b6c31 [2024-12-02 08:31:35,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:31:35,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:31:35,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:31:35,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:31:35,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:31:35,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb8ab76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35, skipping insertion in model container [2024-12-02 08:31:35,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:31:35,626 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_087e94bc-307f-49c9-8358-3b769d6498cf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.i[915,928] [2024-12-02 08:31:35,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:31:35,677 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:31:35,686 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_087e94bc-307f-49c9-8358-3b769d6498cf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.i[915,928] [2024-12-02 08:31:35,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:31:35,721 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:31:35,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35 WrapperNode [2024-12-02 08:31:35,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:31:35,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:31:35,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:31:35,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:31:35,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,756 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-12-02 08:31:35,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:31:35,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:31:35,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:31:35,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:31:35,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,767 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,777 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 08:31:35,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,784 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:31:35,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:31:35,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:31:35,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:31:35,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35" (1/1) ... [2024-12-02 08:31:35,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:31:35,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:31:35,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:31:35,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:31:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:31:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 08:31:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:31:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:31:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:31:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:31:35,900 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:31:35,901 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:31:37,428 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-02 08:31:37,429 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:31:37,438 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:31:37,438 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 08:31:37,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:31:37 BoogieIcfgContainer [2024-12-02 08:31:37,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:31:37,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:31:37,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:31:37,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:31:37,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:31:35" (1/3) ... [2024-12-02 08:31:37,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb8ff12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:31:37, skipping insertion in model container [2024-12-02 08:31:37,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:31:35" (2/3) ... [2024-12-02 08:31:37,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb8ff12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:31:37, skipping insertion in model container [2024-12-02 08:31:37,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:31:37" (3/3) ... [2024-12-02 08:31:37,447 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-80.i [2024-12-02 08:31:37,461 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:31:37,463 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-80.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:31:37,508 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:31:37,518 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;@7dfc963, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:31:37,519 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:31:37,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 08:31:37,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 08:31:37,530 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:31:37,530 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:31:37,531 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:31:37,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:31:37,535 INFO L85 PathProgramCache]: Analyzing trace with hash -82605872, now seen corresponding path program 1 times [2024-12-02 08:31:37,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:31:37,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969817867] [2024-12-02 08:31:37,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:31:37,544 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:31:37,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:31:37,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 08:31:37,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 08:31:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:31:37,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:31:37,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:31:37,934 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-12-02 08:31:37,934 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:31:37,935 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:31:37,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969817867] [2024-12-02 08:31:37,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1969817867] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:31:37,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:31:37,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:31:37,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285937500] [2024-12-02 08:31:37,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:31:37,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:31:37,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:31:37,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:31:37,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:31:37,956 INFO L87 Difference]: Start difference. First operand has 61 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 08:31:37,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:31:37,977 INFO L93 Difference]: Finished difference Result 119 states and 201 transitions. [2024-12-02 08:31:37,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:31:37,978 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 136 [2024-12-02 08:31:37,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:31:37,983 INFO L225 Difference]: With dead ends: 119 [2024-12-02 08:31:37,984 INFO L226 Difference]: Without dead ends: 57 [2024-12-02 08:31:37,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:31:37,988 INFO L435 NwaCegarLoop]: 88 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, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:31:37,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:31:37,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-12-02 08:31:38,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-12-02 08:31:38,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 08:31:38,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2024-12-02 08:31:38,018 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 136 [2024-12-02 08:31:38,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:31:38,018 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2024-12-02 08:31:38,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 08:31:38,018 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2024-12-02 08:31:38,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 08:31:38,021 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:31:38,021 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:31:38,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 08:31:38,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:31:38,222 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:31:38,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:31:38,222 INFO L85 PathProgramCache]: Analyzing trace with hash -2146472628, now seen corresponding path program 1 times [2024-12-02 08:31:38,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:31:38,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116098594] [2024-12-02 08:31:38,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:31:38,223 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:31:38,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:31:38,225 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 08:31:38,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087e94bc-307f-49c9-8358-3b769d6498cf/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 08:31:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:31:38,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 08:31:38,546 INFO L279 TraceCheckSpWp]: Computing forward predicates...