./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-11.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_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6333d5b58382f0356a7e2b673e2761c3d3694d8c0448ad6c2b79f49566360da8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:57:33,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:57:33,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:57:33,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:57:33,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:57:33,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:57:33,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:57:33,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:57:33,529 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:57:33,529 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:57:33,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:57:33,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:57:33,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:57:33,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:57:33,532 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:57:33,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:57:33,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:57:33,533 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:57:33,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:57:33,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:57:33,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:57:33,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:57:33,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:57:33,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:57:33,534 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:57:33,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:57:33,534 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:57:33,534 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:57:33,534 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:57:33,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:33,534 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:57:33,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:57:33,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:33,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:57:33,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:33,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:57:33,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:57:33,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:33,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:57:33,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:57:33,536 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:57:33,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:57:33,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:57:33,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:57:33,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:57:33,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:57:33,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:57:33,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:57:33,537 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_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6333d5b58382f0356a7e2b673e2761c3d3694d8c0448ad6c2b79f49566360da8 [2024-11-28 02:57:33,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:57:33,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:57:33,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:57:33,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:57:33,941 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:57:33,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-11.i [2024-11-28 02:57:37,223 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/data/8f08e033d/82ceaa9e0445499f8d87b6c8b1ef8ea2/FLAGf8cd27315 [2024-11-28 02:57:37,535 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:57:37,536 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-11.i [2024-11-28 02:57:37,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/data/8f08e033d/82ceaa9e0445499f8d87b6c8b1ef8ea2/FLAGf8cd27315 [2024-11-28 02:57:37,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/data/8f08e033d/82ceaa9e0445499f8d87b6c8b1ef8ea2 [2024-11-28 02:57:37,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:57:37,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:57:37,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:37,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:57:37,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:57:37,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:37" (1/1) ... [2024-11-28 02:57:37,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb5f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:37, skipping insertion in model container [2024-11-28 02:57:37,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:37" (1/1) ... [2024-11-28 02:57:37,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:57:37,792 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_5e298a9f-e082-48b7-be08-91985dae7af1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-11.i[915,928] [2024-11-28 02:57:37,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:37,918 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:57:37,934 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_5e298a9f-e082-48b7-be08-91985dae7af1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-11.i[915,928] [2024-11-28 02:57:37,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:38,018 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:57:38,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38 WrapperNode [2024-11-28 02:57:38,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:38,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:38,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:57:38,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:57:38,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,098 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2024-11-28 02:57:38,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:38,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:57:38,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:57:38,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:57:38,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,122 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,152 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:57:38,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,171 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:57:38,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:57:38,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:57:38,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:57:38,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:38,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:57:38,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:57:38,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:57:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:57:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:57:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:57:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:57:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:57:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:57:38,391 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:57:38,395 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:57:38,764 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-28 02:57:38,765 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:57:38,775 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:57:38,776 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:57:38,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:38 BoogieIcfgContainer [2024-11-28 02:57:38,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:57:38,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:57:38,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:57:38,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:57:38,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:57:37" (1/3) ... [2024-11-28 02:57:38,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f832f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:38, skipping insertion in model container [2024-11-28 02:57:38,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (2/3) ... [2024-11-28 02:57:38,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f832f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:38, skipping insertion in model container [2024-11-28 02:57:38,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:38" (3/3) ... [2024-11-28 02:57:38,787 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-11.i [2024-11-28 02:57:38,805 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:57:38,807 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-11.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:57:38,877 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:57:38,895 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;@448e5262, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:57:38,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:57:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:57:38,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 02:57:38,915 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:38,916 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:38,916 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:57:38,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:38,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1360217714, now seen corresponding path program 1 times [2024-11-28 02:57:38,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:38,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220141939] [2024-11-28 02:57:38,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:38,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 02:57:39,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:39,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220141939] [2024-11-28 02:57:39,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220141939] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:57:39,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48483420] [2024-11-28 02:57:39,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:39,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:57:39,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:57:39,384 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:57:39,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:57:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:39,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:57:39,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:57:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 02:57:39,609 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:57:39,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48483420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:39,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:57:39,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:57:39,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493738762] [2024-11-28 02:57:39,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:39,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:57:39,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:39,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:57:39,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:57:39,646 INFO L87 Difference]: Start difference. First operand has 57 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:57:39,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:39,683 INFO L93 Difference]: Finished difference Result 107 states and 183 transitions. [2024-11-28 02:57:39,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:57:39,685 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2024-11-28 02:57:39,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:39,691 INFO L225 Difference]: With dead ends: 107 [2024-11-28 02:57:39,691 INFO L226 Difference]: Without dead ends: 53 [2024-11-28 02:57:39,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:57:39,698 INFO L435 NwaCegarLoop]: 78 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, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:57:39,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:57:39,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-28 02:57:39,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-28 02:57:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:57:39,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2024-11-28 02:57:39,743 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 110 [2024-11-28 02:57:39,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:39,744 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2024-11-28 02:57:39,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:57:39,744 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2024-11-28 02:57:39,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 02:57:39,746 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:39,747 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:39,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:57:39,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:57:39,951 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:57:39,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:39,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1522037806, now seen corresponding path program 1 times [2024-11-28 02:57:39,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:39,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624115752] [2024-11-28 02:57:39,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:39,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:57:41,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:41,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624115752] [2024-11-28 02:57:41,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624115752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:41,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:41,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:57:41,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502137461] [2024-11-28 02:57:41,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:41,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:57:41,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:41,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:57:41,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:57:41,207 INFO L87 Difference]: Start difference. First operand 53 states and 78 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:57:41,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:41,312 INFO L93 Difference]: Finished difference Result 113 states and 164 transitions. [2024-11-28 02:57:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:57:41,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 110 [2024-11-28 02:57:41,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:41,315 INFO L225 Difference]: With dead ends: 113 [2024-11-28 02:57:41,316 INFO L226 Difference]: Without dead ends: 63 [2024-11-28 02:57:41,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:57:41,319 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 28 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:57:41,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 195 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:57:41,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-28 02:57:41,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 55. [2024-11-28 02:57:41,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:57:41,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2024-11-28 02:57:41,339 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 110 [2024-11-28 02:57:41,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:41,342 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2024-11-28 02:57:41,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:57:41,342 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2024-11-28 02:57:41,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 02:57:41,344 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:41,344 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:41,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:57:41,344 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:57:41,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:41,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1520190764, now seen corresponding path program 1 times [2024-11-28 02:57:41,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:41,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393221930] [2024-11-28 02:57:41,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:41,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:57:41,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:41,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393221930] [2024-11-28 02:57:41,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393221930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:41,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:41,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:57:41,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720247401] [2024-11-28 02:57:41,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:41,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:57:41,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:41,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:57:41,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:57:41,846 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:57:42,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:42,155 INFO L93 Difference]: Finished difference Result 160 states and 235 transitions. [2024-11-28 02:57:42,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:57:42,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 110 [2024-11-28 02:57:42,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:42,158 INFO L225 Difference]: With dead ends: 160 [2024-11-28 02:57:42,158 INFO L226 Difference]: Without dead ends: 108 [2024-11-28 02:57:42,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:57:42,159 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 52 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:57:42,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 249 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:57:42,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-28 02:57:42,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 88. [2024-11-28 02:57:42,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 51 states have (on average 1.196078431372549) internal successors, (61), 51 states have internal predecessors, (61), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:57:42,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 129 transitions. [2024-11-28 02:57:42,198 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 129 transitions. Word has length 110 [2024-11-28 02:57:42,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:42,198 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 129 transitions. [2024-11-28 02:57:42,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:57:42,199 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2024-11-28 02:57:42,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 02:57:42,203 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:42,204 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:42,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:57:42,204 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:57:42,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:42,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1673095550, now seen corresponding path program 1 times [2024-11-28 02:57:42,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:42,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908585592] [2024-11-28 02:57:42,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:42,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 9 proven. 39 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:57:42,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:42,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908585592] [2024-11-28 02:57:42,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908585592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:57:42,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517070123] [2024-11-28 02:57:42,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:42,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:57:42,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:57:42,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:57:43,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:57:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:43,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:57:43,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:57:43,506 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-28 02:57:43,506 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:57:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 9 proven. 39 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:57:43,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517070123] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:57:43,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:57:43,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-28 02:57:43,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120670794] [2024-11-28 02:57:43,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:57:43,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:57:43,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:43,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:57:43,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:57:43,893 INFO L87 Difference]: Start difference. First operand 88 states and 129 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 02:57:44,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:44,218 INFO L93 Difference]: Finished difference Result 154 states and 218 transitions. [2024-11-28 02:57:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:57:44,219 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 111 [2024-11-28 02:57:44,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:44,221 INFO L225 Difference]: With dead ends: 154 [2024-11-28 02:57:44,222 INFO L226 Difference]: Without dead ends: 102 [2024-11-28 02:57:44,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:57:44,226 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 159 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:57:44,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 121 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:57:44,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-28 02:57:44,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 94. [2024-11-28 02:57:44,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:57:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 131 transitions. [2024-11-28 02:57:44,253 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 131 transitions. Word has length 111 [2024-11-28 02:57:44,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:44,256 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 131 transitions. [2024-11-28 02:57:44,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 02:57:44,256 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 131 transitions. [2024-11-28 02:57:44,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 02:57:44,258 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:44,258 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:44,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:57:44,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-28 02:57:44,463 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:57:44,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:44,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1407360220, now seen corresponding path program 1 times [2024-11-28 02:57:44,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:44,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932266358] [2024-11-28 02:57:44,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:44,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:57:44,706 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:57:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:57:44,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:57:44,963 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:57:44,964 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:57:44,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:57:44,970 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 02:57:45,095 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:57:45,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:57:45 BoogieIcfgContainer [2024-11-28 02:57:45,102 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:57:45,103 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:57:45,103 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:57:45,103 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:57:45,104 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:38" (3/4) ... [2024-11-28 02:57:45,111 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:57:45,112 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:57:45,113 INFO L158 Benchmark]: Toolchain (without parser) took 7548.40ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.0MB in the beginning and 76.1MB in the end (delta: 15.9MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-11-28 02:57:45,113 INFO L158 Benchmark]: CDTParser took 1.39ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:57:45,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.93ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.5MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:57:45,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.07ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:57:45,114 INFO L158 Benchmark]: Boogie Preprocessor took 85.71ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:57:45,114 INFO L158 Benchmark]: RCFGBuilder took 585.52ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 57.4MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:57:45,115 INFO L158 Benchmark]: TraceAbstraction took 6323.72ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 56.8MB in the beginning and 76.2MB in the end (delta: -19.3MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-11-28 02:57:45,115 INFO L158 Benchmark]: Witness Printer took 9.08ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:57:45,118 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.93ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.5MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.07ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 85.71ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 585.52ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 57.4MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6323.72ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 56.8MB in the beginning and 76.2MB in the end (delta: -19.3MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Witness Printer took 9.08ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 27.1kB). 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 someUnaryDOUBLEoperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryDOUBLEComparisonOperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed char var_1_4 = 5; [L26] signed char var_1_7 = 0; [L27] signed char var_1_8 = 16; [L28] signed char var_1_9 = 4; [L29] unsigned long int var_1_10 = 128; [L30] unsigned long int var_1_11 = 1422462314; [L31] signed short int var_1_12 = 8; [L32] signed short int var_1_15 = -50; [L33] unsigned long int var_1_16 = 1; [L34] unsigned long int var_1_17 = 3609236770; [L35] unsigned long int var_1_18 = 2902762324; [L36] double var_1_19 = 3.8; [L37] double var_1_20 = 255.75; [L38] unsigned short int var_1_21 = 0; [L39] unsigned long int last_1_var_1_10 = 128; [L40] unsigned long int last_1_var_1_16 = 1; [L41] double last_1_var_1_19 = 3.8; VAL [isInitial=0, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L125] isInitial = 1 [L126] FCALL initially() [L128] CALL updateLastVariables() [L116] last_1_var_1_10 = var_1_10 [L117] last_1_var_1_16 = var_1_16 [L118] last_1_var_1_19 = var_1_19 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L128] RET updateLastVariables() [L129] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L89] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L90] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L90] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L91] var_1_3 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L92] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L93] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L93] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L94] var_1_7 = __VERIFIER_nondet_char() [L95] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L95] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L96] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L96] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L97] var_1_8 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4] [L98] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4] [L99] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4] [L99] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4] [L100] var_1_9 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L101] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L102] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L102] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L103] var_1_11 = __VERIFIER_nondet_ulong() [L104] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L104] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L105] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L105] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L106] var_1_17 = __VERIFIER_nondet_ulong() [L107] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L107] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L108] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L108] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L109] var_1_18 = __VERIFIER_nondet_ulong() [L110] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L110] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L111] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L111] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L112] var_1_20 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L113] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L129] RET updateVariables() [L130] CALL step() [L45] unsigned long int stepLocal_1 = last_1_var_1_16; [L46] unsigned long int stepLocal_0 = last_1_var_1_16; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, stepLocal_1=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L47] COND TRUE stepLocal_1 != last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L48] COND FALSE !(var_1_8 <= stepLocal_0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0] [L56] COND TRUE var_1_12 == var_1_12 [L57] var_1_4 = ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0] [L59] var_1_1 = (var_1_2 || (! var_1_3)) [L60] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7)) [L61] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4))) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284986, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0] [L62] COND TRUE var_1_19 != var_1_19 [L63] var_1_16 = (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284986, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=2, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0] [L71] COND TRUE \read(var_1_1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284986, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=2, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0] [L72] COND FALSE !(var_1_19 >= var_1_19) [L77] var_1_15 = var_1_7 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284986, var_1_11=1073741823, var_1_12=8, var_1_15=0, var_1_16=2, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0] [L82] unsigned char stepLocal_2 = var_1_1; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_2=1, var_1_10=2953284986, var_1_11=1073741823, var_1_12=8, var_1_15=0, var_1_16=2, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0] [L83] COND TRUE (var_1_16 == (var_1_8 - var_1_9)) && stepLocal_2 [L84] var_1_21 = var_1_9 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284986, var_1_11=1073741823, var_1_12=8, var_1_15=0, var_1_16=2, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0] [L130] RET step() [L131] CALL, EXPR property() [L121-L122] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_12 == var_1_12) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((last_1_var_1_16 != last_1_var_1_10) ? ((var_1_8 <= last_1_var_1_16) ? (((- last_1_var_1_19) >= last_1_var_1_19) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_1 ? ((var_1_19 >= var_1_19) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_19 != var_1_19) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_4 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_16 == (var_1_8 - var_1_9)) && var_1_1) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284986, var_1_11=1073741823, var_1_12=8, var_1_15=0, var_1_16=2, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0] [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284986, var_1_11=1073741823, var_1_12=8, var_1_15=0, var_1_16=2, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284986, var_1_11=1073741823, var_1_12=8, var_1_15=0, var_1_16=2, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 5, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 255 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 239 mSDsluCounter, 643 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 366 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 188 IncrementalHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 277 mSDtfsCounter, 188 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 358 GetRequests, 335 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 774 NumberOfCodeBlocks, 774 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 766 ConstructedInterpolants, 0 QuantifiedInterpolants, 1632 SizeOfPredicates, 3 NumberOfNonLiveVariables, 553 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 3659/3808 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:57:45,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6333d5b58382f0356a7e2b673e2761c3d3694d8c0448ad6c2b79f49566360da8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:57:48,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:57:48,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:57:48,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:57:48,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:57:48,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:57:48,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:57:48,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:57:48,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:57:48,378 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:57:48,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:57:48,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:57:48,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:57:48,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:57:48,381 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:57:48,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:57:48,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:57:48,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:57:48,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:57:48,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:57:48,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:57:48,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:57:48,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:57:48,382 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:57:48,382 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:57:48,382 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:57:48,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:57:48,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:57:48,382 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:57:48,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:57:48,383 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:57:48,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:48,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:57:48,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:57:48,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:48,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:57:48,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:48,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:57:48,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:57:48,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:48,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:57:48,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:57:48,384 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:57:48,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:57:48,384 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:57:48,384 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:57:48,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:57:48,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:57:48,384 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:57:48,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:57:48,384 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_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6333d5b58382f0356a7e2b673e2761c3d3694d8c0448ad6c2b79f49566360da8 [2024-11-28 02:57:48,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:57:48,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:57:48,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:57:48,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:57:48,759 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:57:48,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-11.i [2024-11-28 02:57:52,028 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/data/605ffa360/ded5bcd372c04ec286d417d51a80cd38/FLAGc5465c88d [2024-11-28 02:57:52,325 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:57:52,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-11.i [2024-11-28 02:57:52,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/data/605ffa360/ded5bcd372c04ec286d417d51a80cd38/FLAGc5465c88d [2024-11-28 02:57:52,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/data/605ffa360/ded5bcd372c04ec286d417d51a80cd38 [2024-11-28 02:57:52,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:57:52,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:57:52,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:52,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:57:52,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:57:52,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:52,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3885a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52, skipping insertion in model container [2024-11-28 02:57:52,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:52,633 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:57:52,766 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_5e298a9f-e082-48b7-be08-91985dae7af1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-11.i[915,928] [2024-11-28 02:57:52,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:52,832 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:57:52,846 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_5e298a9f-e082-48b7-be08-91985dae7af1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-11.i[915,928] [2024-11-28 02:57:52,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:52,906 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:57:52,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52 WrapperNode [2024-11-28 02:57:52,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:52,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:52,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:57:52,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:57:52,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:52,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:52,980 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2024-11-28 02:57:52,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:52,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:57:52,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:57:52,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:57:52,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:52,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:52,997 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:53,017 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:57:53,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:53,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:53,037 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:53,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:53,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:53,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:53,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:53,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:57:53,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:57:53,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:57:53,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:57:53,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2024-11-28 02:57:53,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:53,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:57:53,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:57:53,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:57:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:57:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:57:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:57:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:57:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:57:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:57:53,273 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:57:53,275 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:57:53,676 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-28 02:57:53,676 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:57:53,693 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:57:53,695 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:57:53,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:53 BoogieIcfgContainer [2024-11-28 02:57:53,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:57:53,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:57:53,698 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:57:53,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:57:53,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:57:52" (1/3) ... [2024-11-28 02:57:53,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7492d285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:53, skipping insertion in model container [2024-11-28 02:57:53,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (2/3) ... [2024-11-28 02:57:53,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7492d285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:53, skipping insertion in model container [2024-11-28 02:57:53,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:53" (3/3) ... [2024-11-28 02:57:53,707 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-11.i [2024-11-28 02:57:53,722 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:57:53,724 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-11.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:57:53,798 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:57:53,811 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;@4023c544, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:57:53,811 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:57:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:57:53,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 02:57:53,827 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:53,827 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:53,828 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:57:53,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:53,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1360217714, now seen corresponding path program 1 times [2024-11-28 02:57:53,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:57:53,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285173129] [2024-11-28 02:57:53,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:53,848 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:57:53,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:57:53,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:57:53,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 02:57:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:54,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:57:54,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:57:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-28 02:57:54,178 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:57:54,181 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:57:54,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285173129] [2024-11-28 02:57:54,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285173129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:54,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:54,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:54,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671459017] [2024-11-28 02:57:54,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:54,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:57:54,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:57:54,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:57:54,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:57:54,215 INFO L87 Difference]: Start difference. First operand has 57 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:57:54,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:54,259 INFO L93 Difference]: Finished difference Result 107 states and 183 transitions. [2024-11-28 02:57:54,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:57:54,262 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2024-11-28 02:57:54,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:54,270 INFO L225 Difference]: With dead ends: 107 [2024-11-28 02:57:54,270 INFO L226 Difference]: Without dead ends: 53 [2024-11-28 02:57:54,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:57:54,280 INFO L435 NwaCegarLoop]: 78 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, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:57:54,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:57:54,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-28 02:57:54,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-28 02:57:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:57:54,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2024-11-28 02:57:54,341 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 110 [2024-11-28 02:57:54,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:54,342 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2024-11-28 02:57:54,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:57:54,343 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2024-11-28 02:57:54,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 02:57:54,349 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:54,350 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:54,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 02:57:54,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:57:54,553 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:57:54,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:54,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1522037806, now seen corresponding path program 1 times [2024-11-28 02:57:54,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:57:54,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183287018] [2024-11-28 02:57:54,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:54,556 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:57:54,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:57:54,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:57:54,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 02:57:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:54,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:57:54,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:57:55,996 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:57:55,996 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:57:55,996 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:57:55,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [183287018] [2024-11-28 02:57:55,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [183287018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:55,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:55,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:57:55,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568640086] [2024-11-28 02:57:55,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:56,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:57:56,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:57:56,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:57:56,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:57:56,004 INFO L87 Difference]: Start difference. First operand 53 states and 78 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:57:56,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:56,657 INFO L93 Difference]: Finished difference Result 154 states and 229 transitions. [2024-11-28 02:57:56,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:57:56,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 110 [2024-11-28 02:57:56,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:56,666 INFO L225 Difference]: With dead ends: 154 [2024-11-28 02:57:56,668 INFO L226 Difference]: Without dead ends: 104 [2024-11-28 02:57:56,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:57:56,670 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 49 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:57:56,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 249 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:57:56,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-28 02:57:56,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 86. [2024-11-28 02:57:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 49 states have internal predecessors, (59), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:57:56,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 127 transitions. [2024-11-28 02:57:56,729 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 127 transitions. Word has length 110 [2024-11-28 02:57:56,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:56,730 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 127 transitions. [2024-11-28 02:57:56,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:57:56,732 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 127 transitions. [2024-11-28 02:57:56,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 02:57:56,737 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:56,737 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:56,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:57:56,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:57:56,939 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:57:56,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:56,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1671248508, now seen corresponding path program 1 times [2024-11-28 02:57:56,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:57:56,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496589623] [2024-11-28 02:57:56,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:56,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:57:56,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:57:56,943 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:57:56,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 02:57:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:57,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:57:57,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:57:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:57:57,550 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:57:57,550 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:57:57,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496589623] [2024-11-28 02:57:57,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1496589623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:57,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:57,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:57:57,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155256943] [2024-11-28 02:57:57,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:57,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:57:57,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:57:57,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:57:57,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:57:57,552 INFO L87 Difference]: Start difference. First operand 86 states and 127 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:57:57,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:57,872 INFO L93 Difference]: Finished difference Result 140 states and 208 transitions. [2024-11-28 02:57:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:57:57,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 111 [2024-11-28 02:57:57,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:57,878 INFO L225 Difference]: With dead ends: 140 [2024-11-28 02:57:57,879 INFO L226 Difference]: Without dead ends: 90 [2024-11-28 02:57:57,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:57:57,881 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 60 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:57:57,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 176 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:57:57,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-28 02:57:57,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2024-11-28 02:57:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:57:57,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 125 transitions. [2024-11-28 02:57:57,923 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 125 transitions. Word has length 111 [2024-11-28 02:57:57,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:57,924 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 125 transitions. [2024-11-28 02:57:57,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:57:57,924 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 125 transitions. [2024-11-28 02:57:57,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 02:57:57,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:57,928 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:57,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:57:58,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:57:58,132 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:57:58,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:58,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1411965081, now seen corresponding path program 1 times [2024-11-28 02:57:58,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:57:58,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872677681] [2024-11-28 02:57:58,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:58,134 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:57:58,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:57:58,138 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:57:58,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 02:57:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:58,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:57:58,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:57:58,588 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-28 02:57:58,589 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:57:58,849 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 9 proven. 39 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:57:58,850 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:57:58,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872677681] [2024-11-28 02:57:58,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872677681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:57:58,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:57:58,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-28 02:57:58,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929109551] [2024-11-28 02:57:58,850 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:57:58,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:57:58,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:57:58,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:57:58,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:57:58,853 INFO L87 Difference]: Start difference. First operand 86 states and 125 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 02:57:59,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:59,305 INFO L93 Difference]: Finished difference Result 152 states and 212 transitions. [2024-11-28 02:57:59,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:57:59,308 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 112 [2024-11-28 02:57:59,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:59,310 INFO L225 Difference]: With dead ends: 152 [2024-11-28 02:57:59,310 INFO L226 Difference]: Without dead ends: 102 [2024-11-28 02:57:59,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 215 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:57:59,314 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 119 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:57:59,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 114 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:57:59,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-28 02:57:59,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 94. [2024-11-28 02:57:59,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 55 states have (on average 1.1090909090909091) internal successors, (61), 55 states have internal predecessors, (61), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:57:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 129 transitions. [2024-11-28 02:57:59,358 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 129 transitions. Word has length 112 [2024-11-28 02:57:59,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:59,360 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 129 transitions. [2024-11-28 02:57:59,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 02:57:59,360 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 129 transitions. [2024-11-28 02:57:59,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 02:57:59,364 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:59,365 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:59,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-28 02:57:59,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:57:59,566 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:57:59,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:59,567 INFO L85 PathProgramCache]: Analyzing trace with hash -194657892, now seen corresponding path program 1 times [2024-11-28 02:57:59,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:57:59,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1781097919] [2024-11-28 02:57:59,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:59,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:57:59,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:57:59,572 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:57:59,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e298a9f-e082-48b7-be08-91985dae7af1/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-28 02:57:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:59,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 02:57:59,738 INFO L279 TraceCheckSpWp]: Computing forward predicates...