./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.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_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:07:48,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:07:48,103 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 07:07:48,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:07:48,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:07:48,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:07:48,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:07:48,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:07:48,132 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:07:48,132 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:07:48,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:07:48,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:07:48,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:07:48,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:07:48,133 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:07:48,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:07:48,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:07:48,133 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:07:48,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:07:48,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:07:48,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:07:48,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:07:48,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:07:48,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:07:48,134 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:07:48,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:07:48,134 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:07:48,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:07:48,134 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:07:48,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:07:48,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:07:48,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:07:48,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:07:48,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:07:48,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:07:48,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:07:48,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:07:48,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:07:48,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:07:48,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:07:48,135 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:07:48,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:07:48,135 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:07:48,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:07:48,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:07:48,135 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:07:48,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:07:48,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:07:48,136 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_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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 -> 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e [2024-12-02 07:07:48,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:07:48,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:07:48,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:07:48,392 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:07:48,392 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:07:48,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2024-12-02 07:07:51,091 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/data/ac42472bb/4c5a5d17f8044d0585e2479aa1e3f838/FLAG504d205b7 [2024-12-02 07:07:51,304 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:07:51,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2024-12-02 07:07:51,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/data/ac42472bb/4c5a5d17f8044d0585e2479aa1e3f838/FLAG504d205b7 [2024-12-02 07:07:51,328 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/data/ac42472bb/4c5a5d17f8044d0585e2479aa1e3f838 [2024-12-02 07:07:51,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:07:51,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:07:51,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:07:51,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:07:51,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:07:51,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@448691bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51, skipping insertion in model container [2024-12-02 07:07:51,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:07:51,483 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_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2024-12-02 07:07:51,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:07:51,522 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:07:51,532 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_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2024-12-02 07:07:51,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:07:51,557 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:07:51,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51 WrapperNode [2024-12-02 07:07:51,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:07:51,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:07:51,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:07:51,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:07:51,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,593 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 66 [2024-12-02 07:07:51,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:07:51,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:07:51,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:07:51,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:07:51,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,607 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,619 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 07:07:51,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,624 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:07:51,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:07:51,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:07:51,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:07:51,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51" (1/1) ... [2024-12-02 07:07:51,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:07:51,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:07:51,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:07:51,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:07:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:07:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 07:07:51,689 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 07:07:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 07:07:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:07:51,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:07:51,749 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:07:51,750 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:07:51,903 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 07:07:51,903 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:07:51,911 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:07:51,912 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 07:07:51,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:07:51 BoogieIcfgContainer [2024-12-02 07:07:51,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:07:51,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:07:51,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:07:51,919 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:07:51,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:07:51" (1/3) ... [2024-12-02 07:07:51,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48703b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:07:51, skipping insertion in model container [2024-12-02 07:07:51,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:51" (2/3) ... [2024-12-02 07:07:51,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48703b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:07:51, skipping insertion in model container [2024-12-02 07:07:51,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:07:51" (3/3) ... [2024-12-02 07:07:51,921 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-32.i [2024-12-02 07:07:51,937 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:07:51,938 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-32.i that has 2 procedures, 32 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 07:07:51,991 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:07:52,003 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;@1b5eba09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:07:52,003 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:07:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 07:07:52,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 07:07:52,013 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:07:52,014 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 07:07:52,014 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:07:52,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:07:52,018 INFO L85 PathProgramCache]: Analyzing trace with hash 176991990, now seen corresponding path program 1 times [2024-12-02 07:07:52,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:07:52,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563202148] [2024-12-02 07:07:52,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:07:52,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:07:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:07:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-02 07:07:52,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:07:52,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563202148] [2024-12-02 07:07:52,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563202148] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:07:52,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399588043] [2024-12-02 07:07:52,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:07:52,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:07:52,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:07:52,173 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:07:52,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 07:07:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:07:52,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 07:07:52,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:07:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-02 07:07:52,276 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:07:52,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399588043] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:07:52,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:07:52,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 07:07:52,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788723382] [2024-12-02 07:07:52,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:07:52,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 07:07:52,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:07:52,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 07:07:52,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:07:52,298 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 07:07:52,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:07:52,313 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2024-12-02 07:07:52,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 07:07:52,314 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-12-02 07:07:52,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:07:52,319 INFO L225 Difference]: With dead ends: 57 [2024-12-02 07:07:52,319 INFO L226 Difference]: Without dead ends: 28 [2024-12-02 07:07:52,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:07:52,324 INFO L435 NwaCegarLoop]: 35 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, 35 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 07:07:52,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:07:52,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-12-02 07:07:52,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-12-02 07:07:52,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 07:07:52,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-12-02 07:07:52,357 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2024-12-02 07:07:52,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:07:52,358 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-12-02 07:07:52,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 07:07:52,358 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-12-02 07:07:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 07:07:52,360 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:07:52,360 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 07:07:52,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 07:07:52,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 07:07:52,561 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:07:52,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:07:52,562 INFO L85 PathProgramCache]: Analyzing trace with hash -801961800, now seen corresponding path program 1 times [2024-12-02 07:07:52,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:07:52,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730873920] [2024-12-02 07:07:52,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:07:52,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:07:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:07:52,633 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:07:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:07:52,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 07:07:52,700 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 07:07:52,701 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 07:07:52,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:07:52,706 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 07:07:52,738 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:07:52,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:07:52 BoogieIcfgContainer [2024-12-02 07:07:52,741 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:07:52,742 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:07:52,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:07:52,742 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:07:52,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:07:51" (3/4) ... [2024-12-02 07:07:52,745 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 07:07:52,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:07:52,747 INFO L158 Benchmark]: Toolchain (without parser) took 1414.57ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 110.1MB in the end (delta: 7.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-12-02 07:07:52,747 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:07:52,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.51ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 105.8MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:07:52,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.18ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 103.8MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:07:52,748 INFO L158 Benchmark]: Boogie Preprocessor took 37.96ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 101.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:07:52,748 INFO L158 Benchmark]: RCFGBuilder took 279.05ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 88.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:07:52,749 INFO L158 Benchmark]: TraceAbstraction took 827.22ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 110.7MB in the end (delta: -23.0MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-12-02 07:07:52,749 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 110.1MB in the end (delta: 674.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:07:52,751 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.51ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 105.8MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.18ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 103.8MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.96ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 101.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 279.05ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 88.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 827.22ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 110.7MB in the end (delta: -23.0MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 110.1MB in the end (delta: 674.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of someBinaryFLOATComparisonOperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 4; [L23] unsigned char var_1_2 = 1; [L24] signed short int var_1_5 = -32475; [L25] float var_1_7 = 7.2; [L26] float var_1_8 = 500.4; [L27] unsigned char var_1_9 = 10; [L28] unsigned char var_1_10 = 16; [L29] unsigned short int var_1_11 = 4; VAL [isInitial=0, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=1, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L60] isInitial = 1 [L61] FCALL initially() [L63] FCALL updateLastVariables() [L64] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_uchar() [L42] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L42] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L43] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L43] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L44] var_1_5 = __VERIFIER_nondet_short() [L45] CALL assume_abort_if_not(var_1_5 >= -32766) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L45] RET assume_abort_if_not(var_1_5 >= -32766) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L46] CALL assume_abort_if_not(var_1_5 <= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L46] RET assume_abort_if_not(var_1_5 <= -16383) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L47] var_1_8 = __VERIFIER_nondet_float() [L48] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L48] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L49] var_1_10 = __VERIFIER_nondet_uchar() [L50] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L50] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L51] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L51] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L64] RET updateVariables() [L65] CALL step() [L33] var_1_7 = var_1_8 [L34] var_1_9 = var_1_10 VAL [isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=505, var_1_8=505, var_1_9=-2] [L35] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=505, var_1_8=505, var_1_9=-2] [L38] var_1_11 = var_1_1 VAL [isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=505, var_1_8=505, var_1_9=-2] [L65] RET step() [L66] CALL, EXPR property() [L56-L57] return (((var_1_2 ? (var_1_1 == ((signed short int) ((((((var_1_9 + 16)) > (var_1_9)) ? ((var_1_9 + 16)) : (var_1_9))) - (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) - var_1_9)))) : 1) && (var_1_7 == ((float) var_1_8))) && (var_1_9 == ((unsigned char) var_1_10))) && (var_1_11 == ((unsigned short int) var_1_1)) ; VAL [\result=0, isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=505, var_1_8=505, var_1_9=-2] [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=505, var_1_8=505, var_1_9=-2] [L19] reach_error() VAL [isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=505, var_1_8=505, var_1_9=-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 7, 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, 35 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, 35 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 98 SizeOfPredicates, 0 NumberOfNonLiveVariables, 132 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 156/168 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 07:07:52,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:07:54,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:07:54,784 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 07:07:54,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:07:54,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:07:54,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:07:54,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:07:54,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:07:54,816 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:07:54,816 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:07:54,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:07:54,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:07:54,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:07:54,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:07:54,817 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:07:54,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:07:54,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:07:54,817 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:07:54,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:07:54,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:07:54,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:07:54,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:07:54,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:07:54,817 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 07:07:54,817 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 07:07:54,817 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 07:07:54,817 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:07:54,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:07:54,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:07:54,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:07:54,818 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:07:54,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:07:54,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:07:54,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:07:54,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:07:54,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:07:54,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:07:54,819 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:07:54,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:07:54,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:07:54,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:07:54,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:07:54,819 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:07:54,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:07:54,819 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 07:07:54,819 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 07:07:54,820 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:07:54,820 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:07:54,820 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:07:54,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:07:54,820 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_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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 -> 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e [2024-12-02 07:07:55,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:07:55,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:07:55,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:07:55,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:07:55,068 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:07:55,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2024-12-02 07:07:57,791 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/data/53e736925/61b92a356fb24208a0e5c1645e3ccb0d/FLAG921c0fbe2 [2024-12-02 07:07:58,025 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:07:58,026 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2024-12-02 07:07:58,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/data/53e736925/61b92a356fb24208a0e5c1645e3ccb0d/FLAG921c0fbe2 [2024-12-02 07:07:58,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/data/53e736925/61b92a356fb24208a0e5c1645e3ccb0d [2024-12-02 07:07:58,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:07:58,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:07:58,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:07:58,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:07:58,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:07:58,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa49cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58, skipping insertion in model container [2024-12-02 07:07:58,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,400 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:07:58,507 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_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2024-12-02 07:07:58,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:07:58,547 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:07:58,556 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_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2024-12-02 07:07:58,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:07:58,581 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:07:58,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58 WrapperNode [2024-12-02 07:07:58,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:07:58,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:07:58,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:07:58,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:07:58,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,595 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,608 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2024-12-02 07:07:58,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:07:58,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:07:58,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:07:58,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:07:58,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,618 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,626 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 07:07:58,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,631 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:07:58,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:07:58,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:07:58,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:07:58,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58" (1/1) ... [2024-12-02 07:07:58,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:07:58,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:07:58,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:07:58,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:07:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:07:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 07:07:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 07:07:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 07:07:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:07:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:07:58,750 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:07:58,752 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:07:58,888 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 07:07:58,888 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:07:58,897 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:07:58,898 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 07:07:58,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:07:58 BoogieIcfgContainer [2024-12-02 07:07:58,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:07:58,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:07:58,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:07:58,905 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:07:58,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:07:58" (1/3) ... [2024-12-02 07:07:58,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc0de78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:07:58, skipping insertion in model container [2024-12-02 07:07:58,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:58" (2/3) ... [2024-12-02 07:07:58,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc0de78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:07:58, skipping insertion in model container [2024-12-02 07:07:58,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:07:58" (3/3) ... [2024-12-02 07:07:58,907 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-32.i [2024-12-02 07:07:58,920 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:07:58,922 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-32.i that has 2 procedures, 32 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 07:07:58,974 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:07:58,984 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;@30aae3cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:07:58,985 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:07:58,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 07:07:58,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 07:07:58,995 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:07:58,995 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 07:07:58,996 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:07:59,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:07:59,000 INFO L85 PathProgramCache]: Analyzing trace with hash 176991990, now seen corresponding path program 1 times [2024-12-02 07:07:59,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:07:59,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426106904] [2024-12-02 07:07:59,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:07:59,009 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 07:07:59,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:07:59,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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 07:07:59,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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 07:07:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:07:59,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 07:07:59,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:07:59,215 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 07:07:59,215 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:07:59,216 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:07:59,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426106904] [2024-12-02 07:07:59,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426106904] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:07:59,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:07:59,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:07:59,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410550793] [2024-12-02 07:07:59,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:07:59,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 07:07:59,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:07:59,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 07:07:59,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:07:59,241 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 07:07:59,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:07:59,258 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2024-12-02 07:07:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 07:07:59,260 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, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-12-02 07:07:59,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:07:59,265 INFO L225 Difference]: With dead ends: 57 [2024-12-02 07:07:59,265 INFO L226 Difference]: Without dead ends: 28 [2024-12-02 07:07:59,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 49 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 07:07:59,271 INFO L435 NwaCegarLoop]: 35 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, 35 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 07:07:59,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:07:59,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-12-02 07:07:59,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-12-02 07:07:59,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 07:07:59,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-12-02 07:07:59,303 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2024-12-02 07:07:59,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:07:59,304 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-12-02 07:07:59,304 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, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 07:07:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-12-02 07:07:59,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 07:07:59,306 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:07:59,306 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 07:07:59,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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 07:07:59,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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 07:07:59,507 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:07:59,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:07:59,508 INFO L85 PathProgramCache]: Analyzing trace with hash -801961800, now seen corresponding path program 1 times [2024-12-02 07:07:59,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:07:59,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208831690] [2024-12-02 07:07:59,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:07:59,510 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 07:07:59,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:07:59,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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 07:07:59,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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 07:07:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:07:59,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 07:07:59,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:08:07,623 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-02 07:08:07,623 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:08:21,039 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-02 07:08:21,039 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:08:21,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208831690] [2024-12-02 07:08:21,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208831690] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:08:21,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:08:21,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-12-02 07:08:21,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200063624] [2024-12-02 07:08:21,040 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:08:21,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 07:08:21,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:08:21,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 07:08:21,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2024-12-02 07:08:21,042 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-12-02 07:08:24,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:08:24,552 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2024-12-02 07:08:24,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 07:08:24,553 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 50 [2024-12-02 07:08:24,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:08:24,554 INFO L225 Difference]: With dead ends: 57 [2024-12-02 07:08:24,554 INFO L226 Difference]: Without dead ends: 55 [2024-12-02 07:08:24,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=239, Invalid=691, Unknown=0, NotChecked=0, Total=930 [2024-12-02 07:08:24,555 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 91 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:08:24,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 171 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 07:08:24,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-12-02 07:08:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 47. [2024-12-02 07:08:24,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.0625) internal successors, (34), 33 states have internal predecessors, (34), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 07:08:24,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2024-12-02 07:08:24,562 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 50 [2024-12-02 07:08:24,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:08:24,563 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2024-12-02 07:08:24,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-12-02 07:08:24,563 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2024-12-02 07:08:24,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 07:08:24,564 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:08:24,564 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 07:08:24,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 07:08:24,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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 07:08:24,765 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:08:24,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:08:24,765 INFO L85 PathProgramCache]: Analyzing trace with hash -859220102, now seen corresponding path program 1 times [2024-12-02 07:08:24,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:08:24,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339632670] [2024-12-02 07:08:24,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:08:24,766 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 07:08:24,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:08:24,768 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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 07:08:24,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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 07:08:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:08:24,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 07:08:24,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:08:35,202 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-02 07:08:35,203 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:08:38,668 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-02 07:08:38,668 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:08:38,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339632670] [2024-12-02 07:08:38,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339632670] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:08:38,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:08:38,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-12-02 07:08:38,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205629069] [2024-12-02 07:08:38,669 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:08:38,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 07:08:38,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:08:38,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 07:08:38,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2024-12-02 07:08:38,670 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-12-02 07:08:40,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:08:40,224 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2024-12-02 07:08:40,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 07:08:40,225 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 50 [2024-12-02 07:08:40,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:08:40,225 INFO L225 Difference]: With dead ends: 64 [2024-12-02 07:08:40,225 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 07:08:40,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 07:08:40,228 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 45 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:08:40,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 213 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 07:08:40,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 07:08:40,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 07:08:40,229 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 07:08:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 07:08:40,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2024-12-02 07:08:40,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:08:40,229 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:08:40,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-12-02 07:08:40,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 07:08:40,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 07:08:40,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 07:08:40,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 07:08:40,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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 07:08:40,435 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 07:08:40,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 07:08:41,458 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:08:41,466 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 07:08:41,466 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 07:08:41,466 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 07:08:41,466 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 07:08:41,467 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 07:08:41,467 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 07:08:41,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:08:41 BoogieIcfgContainer [2024-12-02 07:08:41,467 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:08:41,468 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:08:41,468 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:08:41,468 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:08:41,468 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:07:58" (3/4) ... [2024-12-02 07:08:41,470 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 07:08:41,474 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 07:08:41,477 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-02 07:08:41,477 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 07:08:41,477 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 07:08:41,477 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 07:08:41,548 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 07:08:41,548 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 07:08:41,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:08:41,549 INFO L158 Benchmark]: Toolchain (without parser) took 43171.61ms. Allocated memory was 92.3MB in the beginning and 570.4MB in the end (delta: 478.2MB). Free memory was 69.3MB in the beginning and 312.6MB in the end (delta: -243.3MB). Peak memory consumption was 233.5MB. Max. memory is 16.1GB. [2024-12-02 07:08:41,549 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:08:41,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.34ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 57.1MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:08:41,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.92ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:08:41,550 INFO L158 Benchmark]: Boogie Preprocessor took 30.79ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 53.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:08:41,550 INFO L158 Benchmark]: RCFGBuilder took 257.48ms. Allocated memory is still 92.3MB. Free memory was 53.8MB in the beginning and 42.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:08:41,551 INFO L158 Benchmark]: TraceAbstraction took 42566.83ms. Allocated memory was 92.3MB in the beginning and 570.4MB in the end (delta: 478.2MB). Free memory was 41.9MB in the beginning and 316.9MB in the end (delta: -275.0MB). Peak memory consumption was 208.3MB. Max. memory is 16.1GB. [2024-12-02 07:08:41,551 INFO L158 Benchmark]: Witness Printer took 80.41ms. Allocated memory is still 570.4MB. Free memory was 316.9MB in the beginning and 312.6MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:08:41,553 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 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.34ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 57.1MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.92ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.79ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 53.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 257.48ms. Allocated memory is still 92.3MB. Free memory was 53.8MB in the beginning and 42.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 42566.83ms. Allocated memory was 92.3MB in the beginning and 570.4MB in the end (delta: 478.2MB). Free memory was 41.9MB in the beginning and 316.9MB in the end (delta: -275.0MB). Peak memory consumption was 208.3MB. Max. memory is 16.1GB. * Witness Printer took 80.41ms. Allocated memory is still 570.4MB. Free memory was 316.9MB in the beginning and 312.6MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.5s, OverallIterations: 3, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 419 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 317 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 484 IncrementalHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 102 mSDtfsCounter, 484 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 278 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=2, InterpolantAutomatonStates: 39, 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 35.2s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 245 ConstructedInterpolants, 3 QuantifiedInterpolants, 7371 SizeOfPredicates, 26 NumberOfNonLiveVariables, 265 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 328/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 07:08:41,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c3ea0b-ee47-42d7-ae48-16fb717f0e66/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