./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.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_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:23:00,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:23:00,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:23:00,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:23:00,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:23:00,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:23:00,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:23:00,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:23:00,371 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:23:00,371 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:23:00,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:23:00,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:23:00,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:23:00,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:23:00,372 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:23:00,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:23:00,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:23:00,372 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:23:00,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:23:00,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:23:00,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:23:00,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:23:00,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:23:00,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:23:00,373 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:23:00,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:23:00,373 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:23:00,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:23:00,373 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:23:00,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:23:00,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:23:00,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:23:00,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:23:00,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:23:00,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:23:00,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:23:00,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:23:00,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:23:00,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:23:00,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:23:00,374 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:23:00,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:23:00,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:23:00,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:23:00,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:23:00,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:23:00,375 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:23:00,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:23:00,375 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_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 [2024-12-02 14:23:00,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:23:00,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:23:00,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:23:00,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:23:00,620 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:23:00,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i [2024-12-02 14:23:03,216 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/data/3fbd04656/36643e6f7a574677a948fac3281473e2/FLAG9c5a6f5a7 [2024-12-02 14:23:03,445 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:23:03,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i [2024-12-02 14:23:03,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/data/3fbd04656/36643e6f7a574677a948fac3281473e2/FLAG9c5a6f5a7 [2024-12-02 14:23:03,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/data/3fbd04656/36643e6f7a574677a948fac3281473e2 [2024-12-02 14:23:03,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:23:03,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:23:03,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:23:03,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:23:03,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:23:03,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:03,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439c92fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03, skipping insertion in model container [2024-12-02 14:23:03,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:03,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:23:03,913 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_ae3f03e4-faaa-4107-ac8f-a660871d4c47/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2024-12-02 14:23:03,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:23:03,950 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:23:03,958 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_ae3f03e4-faaa-4107-ac8f-a660871d4c47/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2024-12-02 14:23:03,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:23:03,980 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:23:03,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03 WrapperNode [2024-12-02 14:23:03,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:23:03,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:23:03,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:23:03,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:23:03,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:03,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:04,005 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2024-12-02 14:23:04,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:23:04,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:23:04,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:23:04,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:23:04,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:04,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:04,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:04,025 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 14:23:04,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:04,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:04,029 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:04,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:04,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:04,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:04,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:04,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:23:04,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:23:04,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:23:04,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:23:04,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03" (1/1) ... [2024-12-02 14:23:04,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:23:04,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:23:04,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:23:04,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:23:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:23:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:23:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:23:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:23:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:23:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:23:04,150 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:23:04,152 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:23:04,299 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 14:23:04,299 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:23:04,308 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:23:04,309 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:23:04,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:23:04 BoogieIcfgContainer [2024-12-02 14:23:04,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:23:04,311 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:23:04,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:23:04,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:23:04,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:23:03" (1/3) ... [2024-12-02 14:23:04,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da2bf52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:23:04, skipping insertion in model container [2024-12-02 14:23:04,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:03" (2/3) ... [2024-12-02 14:23:04,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da2bf52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:23:04, skipping insertion in model container [2024-12-02 14:23:04,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:23:04" (3/3) ... [2024-12-02 14:23:04,318 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-61.i [2024-12-02 14:23:04,333 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:23:04,334 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-61.i that has 2 procedures, 38 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:23:04,384 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:23:04,394 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;@5abcf6c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:23:04,395 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:23:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 14:23:04,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 14:23:04,403 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:23:04,404 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:23:04,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:23:04,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:23:04,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1621252410, now seen corresponding path program 1 times [2024-12-02 14:23:04,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:23:04,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790354] [2024-12-02 14:23:04,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:23:04,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:23:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:23:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 14:23:04,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:23:04,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790354] [2024-12-02 14:23:04,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790354] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:23:04,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196091934] [2024-12-02 14:23:04,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:23:04,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:23:04,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:23:04,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:23:04,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:23:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:23:04,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:23:04,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:23:04,692 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 14:23:04,693 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:23:04,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196091934] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:23:04,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:23:04,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:23:04,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963374126] [2024-12-02 14:23:04,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:23:04,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:23:04,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:23:04,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:23:04,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:23:04,713 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 14:23:04,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:23:04,726 INFO L93 Difference]: Finished difference Result 69 states and 109 transitions. [2024-12-02 14:23:04,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:23:04,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2024-12-02 14:23:04,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:23:04,733 INFO L225 Difference]: With dead ends: 69 [2024-12-02 14:23:04,733 INFO L226 Difference]: Without dead ends: 34 [2024-12-02 14:23:04,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:23:04,737 INFO L435 NwaCegarLoop]: 45 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, 45 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:23:04,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:23:04,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-12-02 14:23:04,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-12-02 14:23:04,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 14:23:04,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2024-12-02 14:23:04,763 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 72 [2024-12-02 14:23:04,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:23:04,763 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2024-12-02 14:23:04,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 14:23:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-12-02 14:23:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 14:23:04,765 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:23:04,765 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:23:04,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:23:04,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:23:04,966 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:23:04,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:23:04,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1800826168, now seen corresponding path program 1 times [2024-12-02 14:23:04,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:23:04,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643441597] [2024-12-02 14:23:04,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:23:04,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:23:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:23:05,072 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:23:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:23:05,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:23:05,133 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:23:05,133 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:23:05,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:23:05,137 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 14:23:05,173 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:23:05,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:23:05 BoogieIcfgContainer [2024-12-02 14:23:05,176 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:23:05,177 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:23:05,177 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:23:05,177 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:23:05,178 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:23:04" (3/4) ... [2024-12-02 14:23:05,180 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:23:05,181 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:23:05,181 INFO L158 Benchmark]: Toolchain (without parser) took 1379.33ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.3MB in the end (delta: 11.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-12-02 14:23:05,182 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:23:05,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.57ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 105.4MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:23:05,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.44ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:23:05,182 INFO L158 Benchmark]: Boogie Preprocessor took 30.59ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:23:05,183 INFO L158 Benchmark]: RCFGBuilder took 272.33ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 90.4MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:23:05,183 INFO L158 Benchmark]: TraceAbstraction took 865.02ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 106.9MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:23:05,183 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.3MB in the end (delta: 614.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:23:05,185 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 177.57ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 105.4MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.44ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.59ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 272.33ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 90.4MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 865.02ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 106.9MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.3MB in the end (delta: 614.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryDOUBLEComparisonOperation at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 33. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 0; [L23] double var_1_2 = 199.5; [L24] double var_1_3 = 10.25; [L25] signed char var_1_4 = 5; [L26] signed char var_1_5 = 64; [L27] signed char var_1_6 = 8; [L28] signed char var_1_7 = 5; [L29] unsigned long int var_1_8 = 8; VAL [isInitial=0, var_1_1=0, var_1_2=399/2, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L66] isInitial = 1 [L67] FCALL initially() [L69] FCALL updateLastVariables() [L70] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_double() [L42] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L42] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L43] CALL assume_abort_if_not(var_1_2 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L43] RET assume_abort_if_not(var_1_2 != 0.0F) VAL [isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L44] var_1_3 = __VERIFIER_nondet_double() [L45] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L45] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L46] var_1_4 = __VERIFIER_nondet_char() [L47] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L47] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L48] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L48] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L49] var_1_5 = __VERIFIER_nondet_char() [L50] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L50] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L51] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L51] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L52] var_1_6 = __VERIFIER_nondet_char() [L53] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L53] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L54] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L54] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L55] var_1_7 = __VERIFIER_nondet_char() [L56] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L56] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L57] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L57] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L70] RET updateVariables() [L71] CALL step() [L33] COND TRUE (999.375 / ((((var_1_2) > (-0.19)) ? (var_1_2) : (-0.19)))) >= var_1_3 [L34] var_1_1 = (var_1_4 + -32) VAL [isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L38] var_1_8 = var_1_7 VAL [isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=0] [L71] RET step() [L72] CALL, EXPR property() [L62-L63] return (((999.375 / ((((var_1_2) > (-0.19)) ? (var_1_2) : (-0.19)))) >= var_1_3) ? (var_1_1 == ((signed char) (var_1_4 + -32))) : (var_1_1 == ((signed char) (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))) - var_1_7)))) && (var_1_8 == ((unsigned long int) var_1_7)) ; VAL [\result=0, isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=0] [L72] RET, EXPR property() [L72] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 45 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 171 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 420/440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 14:23:05,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:23:07,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:23:07,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 14:23:07,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:23:07,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:23:07,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:23:07,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:23:07,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:23:07,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:23:07,209 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:23:07,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:23:07,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:23:07,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:23:07,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:23:07,209 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:23:07,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:23:07,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:23:07,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:23:07,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:23:07,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:23:07,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:23:07,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:23:07,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:23:07,210 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:23:07,210 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:23:07,210 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:23:07,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:23:07,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:23:07,211 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:23:07,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:23:07,211 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:23:07,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:23:07,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:23:07,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:23:07,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:23:07,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:23:07,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:23:07,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:23:07,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:23:07,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:23:07,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:23:07,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:23:07,212 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:23:07,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:23:07,212 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:23:07,212 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:23:07,212 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:23:07,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:23:07,213 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:23:07,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:23:07,213 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_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 [2024-12-02 14:23:07,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:23:07,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:23:07,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:23:07,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:23:07,442 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:23:07,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i [2024-12-02 14:23:10,118 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/data/f2d4c3b62/c7d38651a2b34163b3ca051591a992c1/FLAGdcba62afe [2024-12-02 14:23:10,309 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:23:10,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i [2024-12-02 14:23:10,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/data/f2d4c3b62/c7d38651a2b34163b3ca051591a992c1/FLAGdcba62afe [2024-12-02 14:23:10,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/data/f2d4c3b62/c7d38651a2b34163b3ca051591a992c1 [2024-12-02 14:23:10,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:23:10,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:23:10,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:23:10,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:23:10,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:23:10,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea20e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10, skipping insertion in model container [2024-12-02 14:23:10,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,686 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:23:10,793 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_ae3f03e4-faaa-4107-ac8f-a660871d4c47/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2024-12-02 14:23:10,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:23:10,833 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:23:10,841 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_ae3f03e4-faaa-4107-ac8f-a660871d4c47/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2024-12-02 14:23:10,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:23:10,865 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:23:10,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10 WrapperNode [2024-12-02 14:23:10,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:23:10,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:23:10,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:23:10,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:23:10,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,898 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74 [2024-12-02 14:23:10,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:23:10,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:23:10,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:23:10,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:23:10,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,911 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,921 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 14:23:10,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,928 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:23:10,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:23:10,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:23:10,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:23:10,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10" (1/1) ... [2024-12-02 14:23:10,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:23:10,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:23:10,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:23:10,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:23:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:23:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 14:23:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:23:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:23:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:23:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:23:11,049 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:23:11,051 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:23:20,164 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 14:23:20,164 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:23:20,173 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:23:20,174 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:23:20,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:23:20 BoogieIcfgContainer [2024-12-02 14:23:20,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:23:20,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:23:20,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:23:20,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:23:20,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:23:10" (1/3) ... [2024-12-02 14:23:20,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30930056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:23:20, skipping insertion in model container [2024-12-02 14:23:20,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:10" (2/3) ... [2024-12-02 14:23:20,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30930056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:23:20, skipping insertion in model container [2024-12-02 14:23:20,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:23:20" (3/3) ... [2024-12-02 14:23:20,183 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-61.i [2024-12-02 14:23:20,194 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:23:20,196 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-61.i that has 2 procedures, 38 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:23:20,241 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:23:20,250 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;@1a3f6eeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:23:20,250 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:23:20,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 14:23:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 14:23:20,258 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:23:20,259 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:23:20,259 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:23:20,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:23:20,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1621252410, now seen corresponding path program 1 times [2024-12-02 14:23:20,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:23:20,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1713932912] [2024-12-02 14:23:20,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:23:20,272 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:23:20,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:23:20,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:23:20,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 14:23:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:23:21,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:23:21,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:23:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-12-02 14:23:21,069 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:23:21,070 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:23:21,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1713932912] [2024-12-02 14:23:21,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1713932912] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:23:21,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:23:21,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:23:21,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823054316] [2024-12-02 14:23:21,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:23:21,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:23:21,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:23:21,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:23:21,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:23:21,094 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 14:23:21,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:23:21,114 INFO L93 Difference]: Finished difference Result 69 states and 109 transitions. [2024-12-02 14:23:21,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:23:21,115 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2024-12-02 14:23:21,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:23:21,121 INFO L225 Difference]: With dead ends: 69 [2024-12-02 14:23:21,121 INFO L226 Difference]: Without dead ends: 34 [2024-12-02 14:23:21,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:23:21,127 INFO L435 NwaCegarLoop]: 45 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, 45 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:23:21,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:23:21,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-12-02 14:23:21,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-12-02 14:23:21,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 14:23:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2024-12-02 14:23:21,161 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 72 [2024-12-02 14:23:21,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:23:21,162 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2024-12-02 14:23:21,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 14:23:21,162 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-12-02 14:23:21,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 14:23:21,165 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:23:21,165 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:23:21,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 14:23:21,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:23:21,366 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:23:21,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:23:21,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1800826168, now seen corresponding path program 1 times [2024-12-02 14:23:21,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:23:21,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499217394] [2024-12-02 14:23:21,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:23:21,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:23:21,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:23:21,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:23:21,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 14:23:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:23:22,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:23:22,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:23:29,117 WARN L286 SmtUtils]: Spent 6.99s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:23:39,211 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:23:45,654 WARN L286 SmtUtils]: Spent 6.44s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:23:54,015 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:23:58,125 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= ((_ extract 7 0) (bvadd (_ bv4294967264 32) ((_ sign_extend 24) c_~var_1_4~0))) c_~var_1_1~0)) is different from false [2024-12-02 14:24:02,234 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= ((_ extract 7 0) (bvadd (_ bv4294967264 32) ((_ sign_extend 24) c_~var_1_4~0))) c_~var_1_1~0)) is different from true [2024-12-02 14:24:10,613 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:24:19,778 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:24:25,006 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:24:38,221 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:24:42,328 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= ((_ extract 7 0) (bvadd (_ bv4294967264 32) ((_ sign_extend 24) c_~var_1_4~0))) c_~var_1_1~0) (= ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_8~0)) is different from false [2024-12-02 14:24:46,428 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= ((_ extract 7 0) (bvadd (_ bv4294967264 32) ((_ sign_extend 24) c_~var_1_4~0))) c_~var_1_1~0) (= ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_8~0)) is different from true [2024-12-02 14:25:12,134 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:25:30,427 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:25:35,899 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:25:40,991 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:26:07,588 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:26:22,007 WARN L286 SmtUtils]: Spent 7.85s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:26:33,842 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 14:26:33,843 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:26:33,843 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:26:33,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499217394] [2024-12-02 14:26:33,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [499217394] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:26:33,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:26:33,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:26:33,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758346032] [2024-12-02 14:26:33,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:26:33,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:26:33,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:26:33,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:26:33,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=7, Unknown=4, NotChecked=10, Total=30 [2024-12-02 14:26:33,846 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 14:26:38,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:26:38,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:26:38,188 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2024-12-02 14:26:38,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:26:38,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 72 [2024-12-02 14:26:38,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:26:38,190 INFO L225 Difference]: With dead ends: 40 [2024-12-02 14:26:38,191 INFO L226 Difference]: Without dead ends: 38 [2024-12-02 14:26:38,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=9, Invalid=7, Unknown=4, NotChecked=10, Total=30 [2024-12-02 14:26:38,192 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 101 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:26:38,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 1 Unknown, 101 Unchecked, 4.3s Time] [2024-12-02 14:26:38,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-12-02 14:26:38,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-12-02 14:26:38,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 14:26:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2024-12-02 14:26:38,200 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 49 transitions. Word has length 72 [2024-12-02 14:26:38,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:26:38,202 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 49 transitions. [2024-12-02 14:26:38,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 14:26:38,202 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2024-12-02 14:26:38,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 14:26:38,204 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:26:38,204 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:26:38,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-12-02 14:26:38,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:26:38,405 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:26:38,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:26:38,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1858084470, now seen corresponding path program 1 times [2024-12-02 14:26:38,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:26:38,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576512787] [2024-12-02 14:26:38,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:26:38,406 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:26:38,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:26:38,408 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:26:38,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 14:26:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:26:39,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:26:39,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:26:47,485 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:26:59,988 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:27:08,357 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:27:16,712 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:27:25,085 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:27:33,446 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:27:38,686 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse6)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0)))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg ((_ sign_extend 24) c_~var_1_7~0))) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse6) c_~var_1_3~0)))))) is different from false [2024-12-02 14:27:42,784 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse6 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse6)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0)))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg ((_ sign_extend 24) c_~var_1_7~0))) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse6) c_~var_1_3~0)))))) is different from true [2024-12-02 14:27:55,274 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:28:03,650 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:28:11,546 WARN L286 SmtUtils]: Spent 7.90s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:28:19,914 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:28:28,272 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:28:36,658 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:28:45,041 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:28:51,310 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse7)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse6 ((_ sign_extend 24) c_~var_1_7~0))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg .cse6)) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse7) c_~var_1_3~0))) (= .cse6 c_~var_1_8~0)))) is different from false [2024-12-02 14:29:15,068 WARN L286 SmtUtils]: Spent 5.66s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:29:29,554 WARN L286 SmtUtils]: Spent 6.51s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:29:37,744 WARN L286 SmtUtils]: Spent 7.97s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:29:48,207 WARN L286 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:29:54,717 WARN L286 SmtUtils]: Spent 6.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:30:04,846 WARN L286 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:30:19,655 WARN L286 SmtUtils]: Spent 7.90s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:30:28,636 WARN L286 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:30:49,845 WARN L286 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:31:22,652 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:31:31,050 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:31:45,851 WARN L286 SmtUtils]: Spent 7.56s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:31:52,170 WARN L286 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:31:58,518 WARN L286 SmtUtils]: Spent 6.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:32:09,983 WARN L286 SmtUtils]: Spent 7.11s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:32:18,092 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:32:25,042 WARN L286 SmtUtils]: Spent 6.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:32:34,306 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:32:39,809 WARN L286 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:32:48,167 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:32:56,518 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:33:05,277 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:33:14,197 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:33:24,605 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:33:32,888 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:33:40,912 WARN L286 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:33:42,026 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 14:33:42,026 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:33:42,026 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:33:42,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576512787] [2024-12-02 14:33:42,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [576512787] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:33:42,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:33:42,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:33:42,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293707346] [2024-12-02 14:33:42,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:33:42,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:33:42,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:33:42,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:33:42,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=8, Unknown=3, NotChecked=10, Total=30 [2024-12-02 14:33:42,028 INFO L87 Difference]: Start difference. First operand 38 states and 49 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 14:33:44,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:33:45,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:33:45,123 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2024-12-02 14:33:45,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:33:45,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 72 [2024-12-02 14:33:45,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:33:45,124 INFO L225 Difference]: With dead ends: 38 [2024-12-02 14:33:45,124 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 14:33:45,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=9, Invalid=8, Unknown=3, NotChecked=10, Total=30 [2024-12-02 14:33:45,126 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 73 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:33:45,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 73 Unchecked, 3.1s Time] [2024-12-02 14:33:45,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 14:33:45,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 14:33:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:33:45,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 14:33:45,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2024-12-02 14:33:45,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:33:45,128 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:33:45,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 14:33:45,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:33:45,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 14:33:45,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:33:45,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-12-02 14:33:45,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:33:45,334 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 14:33:45,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 14:33:45,350 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:33:45,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:33:45 BoogieIcfgContainer [2024-12-02 14:33:45,359 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:33:45,359 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:33:45,359 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:33:45,360 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:33:45,360 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:23:20" (3/4) ... [2024-12-02 14:33:45,362 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:33:45,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 14:33:45,370 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-02 14:33:45,370 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 14:33:45,370 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 14:33:45,370 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:33:45,429 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:33:45,429 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:33:45,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:33:45,430 INFO L158 Benchmark]: Toolchain (without parser) took 634760.01ms. Allocated memory was 92.3MB in the beginning and 276.8MB in the end (delta: 184.5MB). Free memory was 69.1MB in the beginning and 245.1MB in the end (delta: -175.9MB). Peak memory consumption was 156.3MB. Max. memory is 16.1GB. [2024-12-02 14:33:45,430 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:33:45,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.64ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 56.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:33:45,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.16ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:33:45,431 INFO L158 Benchmark]: Boogie Preprocessor took 37.93ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 53.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:33:45,431 INFO L158 Benchmark]: RCFGBuilder took 9236.82ms. Allocated memory is still 92.3MB. Free memory was 53.3MB in the beginning and 41.3MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:33:45,432 INFO L158 Benchmark]: TraceAbstraction took 625182.56ms. Allocated memory was 92.3MB in the beginning and 276.8MB in the end (delta: 184.5MB). Free memory was 40.7MB in the beginning and 101.5MB in the end (delta: -60.8MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. [2024-12-02 14:33:45,432 INFO L158 Benchmark]: Witness Printer took 70.21ms. Allocated memory is still 276.8MB. Free memory was 101.5MB in the beginning and 245.1MB in the end (delta: -143.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-12-02 14:33:45,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.64ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 56.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.16ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.93ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 53.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9236.82ms. Allocated memory is still 92.3MB. Free memory was 53.3MB in the beginning and 41.3MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 625182.56ms. Allocated memory was 92.3MB in the beginning and 276.8MB in the end (delta: 184.5MB). Free memory was 40.7MB in the beginning and 101.5MB in the end (delta: -60.8MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. * Witness Printer took 70.21ms. Allocated memory is still 276.8MB. Free memory was 101.5MB in the beginning and 245.1MB in the end (delta: -143.6MB). Peak memory consumption was 8.8MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 625.1s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 319 SdHoareTripleChecker+Invalid, 7.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 174 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 131 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 614.8s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 449 SizeOfPredicates, 18 NumberOfNonLiveVariables, 354 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 660/660 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 14:33:45,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae3f03e4-faaa-4107-ac8f-a660871d4c47/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE