./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-78.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_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/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_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/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_b1121392-4c55-4529-babc-923124ecaa63/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 776cbeba8a72a8c366fa86377847687b216913b78347eee8ff5c4d62d35f12be --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:49:41,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:49:41,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 05:49:41,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:49:41,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:49:41,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:49:41,495 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:49:41,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:49:41,496 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:49:41,496 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:49:41,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:49:41,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:49:41,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:49:41,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:49:41,497 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:49:41,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:49:41,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:49:41,498 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:49:41,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:49:41,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:49:41,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:49:41,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:49:41,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:49:41,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:49:41,499 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:49:41,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:49:41,499 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:49:41,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:49:41,499 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:49:41,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:41,499 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:41,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:41,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:41,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:49:41,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:41,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:41,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:41,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:41,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:49:41,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:49:41,500 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:49:41,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:49:41,501 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:49:41,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:49:41,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:49:41,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:49:41,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:49:41,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:49:41,501 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_b1121392-4c55-4529-babc-923124ecaa63/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 -> 776cbeba8a72a8c366fa86377847687b216913b78347eee8ff5c4d62d35f12be [2024-12-02 05:49:41,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:49:41,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:49:41,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:49:41,768 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:49:41,769 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:49:41,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-78.i [2024-12-02 05:49:44,741 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/data/7fa011c38/97df82a353634d6db068c64a829b125f/FLAG91939e9cf [2024-12-02 05:49:44,982 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:49:44,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-78.i [2024-12-02 05:49:44,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/data/7fa011c38/97df82a353634d6db068c64a829b125f/FLAG91939e9cf [2024-12-02 05:49:45,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/data/7fa011c38/97df82a353634d6db068c64a829b125f [2024-12-02 05:49:45,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:49:45,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:49:45,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:49:45,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:49:45,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:49:45,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65527ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45, skipping insertion in model container [2024-12-02 05:49:45,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:49:45,174 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_b1121392-4c55-4529-babc-923124ecaa63/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-78.i[915,928] [2024-12-02 05:49:45,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:49:45,232 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:49:45,243 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_b1121392-4c55-4529-babc-923124ecaa63/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-78.i[915,928] [2024-12-02 05:49:45,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:49:45,284 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:49:45,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45 WrapperNode [2024-12-02 05:49:45,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:49:45,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:49:45,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:49:45,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:49:45,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,330 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-12-02 05:49:45,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:49:45,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:49:45,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:49:45,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:49:45,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,344 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,358 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 05:49:45,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,365 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:49:45,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:49:45,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:49:45,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:49:45,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:45,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:45,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:49:45,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:49:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:49:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:49:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:49:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:49:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:49:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:49:45,512 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:49:45,514 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:49:45,784 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-02 05:49:45,785 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:49:45,798 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:49:45,799 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:49:45,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:45 BoogieIcfgContainer [2024-12-02 05:49:45,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:49:45,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:49:45,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:49:45,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:49:45,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:49:45" (1/3) ... [2024-12-02 05:49:45,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be06bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:49:45, skipping insertion in model container [2024-12-02 05:49:45,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (2/3) ... [2024-12-02 05:49:45,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be06bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:49:45, skipping insertion in model container [2024-12-02 05:49:45,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:45" (3/3) ... [2024-12-02 05:49:45,813 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-78.i [2024-12-02 05:49:45,832 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:49:45,834 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-78.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:49:45,908 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:49:45,925 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;@41afc3f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:49:45,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:49:45,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 05:49:45,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 05:49:45,947 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:45,948 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:49:45,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:45,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:45,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1548096651, now seen corresponding path program 1 times [2024-12-02 05:49:45,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:45,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884890470] [2024-12-02 05:49:45,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:45,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:46,321 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 05:49:46,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:46,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884890470] [2024-12-02 05:49:46,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884890470] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:49:46,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123537177] [2024-12-02 05:49:46,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:46,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:49:46,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:46,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:49:46,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:49:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:46,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:49:46,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:49:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 05:49:46,584 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:49:46,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123537177] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:46,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:49:46,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 05:49:46,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314684802] [2024-12-02 05:49:46,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:46,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:49:46,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:46,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:49:46,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:49:46,620 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 05:49:46,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:46,654 INFO L93 Difference]: Finished difference Result 105 states and 180 transitions. [2024-12-02 05:49:46,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:49:46,657 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-12-02 05:49:46,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:46,666 INFO L225 Difference]: With dead ends: 105 [2024-12-02 05:49:46,667 INFO L226 Difference]: Without dead ends: 52 [2024-12-02 05:49:46,672 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 126 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 05:49:46,675 INFO L435 NwaCegarLoop]: 75 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, 75 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 05:49:46,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:49:46,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-12-02 05:49:46,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-12-02 05:49:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 05:49:46,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-12-02 05:49:46,730 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 125 [2024-12-02 05:49:46,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:46,731 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-12-02 05:49:46,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 05:49:46,732 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-12-02 05:49:46,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 05:49:46,736 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:46,737 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:49:46,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 05:49:46,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:49:46,938 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:46,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:46,940 INFO L85 PathProgramCache]: Analyzing trace with hash -974018675, now seen corresponding path program 1 times [2024-12-02 05:49:46,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:46,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202505455] [2024-12-02 05:49:46,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:46,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:49:47,165 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:49:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:49:47,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 05:49:47,334 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 05:49:47,336 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 05:49:47,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:49:47,343 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 05:49:47,444 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 05:49:47,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:49:47 BoogieIcfgContainer [2024-12-02 05:49:47,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 05:49:47,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:49:47,450 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:49:47,451 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:49:47,452 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:45" (3/4) ... [2024-12-02 05:49:47,455 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 05:49:47,456 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:49:47,458 INFO L158 Benchmark]: Toolchain (without parser) took 2446.06ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 42.4MB in the end (delta: 49.6MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-12-02 05:49:47,458 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:49:47,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.94ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 79.5MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:49:47,459 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.63ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:49:47,459 INFO L158 Benchmark]: Boogie Preprocessor took 44.71ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 75.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:49:47,460 INFO L158 Benchmark]: RCFGBuilder took 422.73ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 61.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:49:47,460 INFO L158 Benchmark]: TraceAbstraction took 1646.69ms. Allocated memory is still 117.4MB. Free memory was 60.5MB in the beginning and 42.5MB in the end (delta: 18.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-12-02 05:49:47,461 INFO L158 Benchmark]: Witness Printer took 6.41ms. Allocated memory is still 117.4MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:49:47,463 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.94ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 79.5MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.63ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.71ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 75.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 422.73ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 61.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1646.69ms. Allocated memory is still 117.4MB. Free memory was 60.5MB in the beginning and 42.5MB in the end (delta: 18.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Witness Printer took 6.41ms. Allocated memory is still 117.4MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someUnaryDOUBLEoperation at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -200; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 1; [L25] signed long int var_1_6 = 128; [L26] signed long int var_1_7 = 10; [L27] signed short int var_1_8 = 0; [L28] signed short int var_1_9 = 25; [L29] signed short int var_1_10 = 32; [L30] signed short int var_1_11 = 1000; [L31] signed short int var_1_12 = 25; [L32] signed short int var_1_13 = 128; [L33] unsigned long int var_1_14 = 5; [L34] float var_1_15 = 8.25; [L35] float var_1_16 = 63.5; [L36] float var_1_17 = -0.6; [L37] signed long int last_1_var_1_1 = -200; VAL [isInitial=0, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=0, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L103] isInitial = 1 [L104] FCALL initially() [L106] CALL updateLastVariables() [L96] last_1_var_1_1 = var_1_1 VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=0, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L106] RET updateLastVariables() [L107] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L64] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L65] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L65] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L66] var_1_3 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L67] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L68] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L68] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L69] var_1_6 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L70] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L71] CALL assume_abort_if_not(var_1_6 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L71] RET assume_abort_if_not(var_1_6 <= 2147483646) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L72] var_1_7 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L74] CALL assume_abort_if_not(var_1_7 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L74] RET assume_abort_if_not(var_1_7 <= 2147483646) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L75] var_1_9 = __VERIFIER_nondet_short() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L77] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L77] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L78] var_1_10 = __VERIFIER_nondet_short() [L79] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L79] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L80] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L80] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L81] var_1_11 = __VERIFIER_nondet_short() [L82] CALL assume_abort_if_not(var_1_11 >= -8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L82] RET assume_abort_if_not(var_1_11 >= -8191) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L83] CALL assume_abort_if_not(var_1_11 <= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L83] RET assume_abort_if_not(var_1_11 <= 8192) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L84] var_1_12 = __VERIFIER_nondet_short() [L85] CALL assume_abort_if_not(var_1_12 >= -8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L85] RET assume_abort_if_not(var_1_12 >= -8191) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L86] CALL assume_abort_if_not(var_1_12 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L86] RET assume_abort_if_not(var_1_12 <= 8191) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L87] var_1_13 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L88] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L89] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L89] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L90] var_1_16 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L91] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L92] var_1_17 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L93] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L107] RET updateVariables() [L108] CALL step() [L41] COND TRUE \read(var_1_3) [L42] var_1_14 = (2931747731u - var_1_10) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L44] unsigned char stepLocal_1 = var_1_3; [L45] unsigned char stepLocal_0 = var_1_2; VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, stepLocal_1=-255, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L46] COND FALSE !(var_1_2 && stepLocal_1) VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L53] COND FALSE !(var_1_14 > var_1_14) [L56] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_13) VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] [L58] COND TRUE var_1_11 >= var_1_1 [L59] var_1_15 = ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))) VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] [L108] RET step() [L109] CALL, EXPR property() [L99-L100] return ((((var_1_2 && var_1_3) ? ((var_1_2 && (var_1_14 > last_1_var_1_1)) ? (var_1_1 == ((signed long int) (var_1_6 - var_1_7))) : (var_1_1 == ((signed long int) var_1_6))) : 1) && ((var_1_14 > var_1_14) ? (var_1_8 == ((signed short int) ((var_1_9 - var_1_10) + ((((-4) < ((var_1_11 + var_1_12))) ? (-4) : ((var_1_11 + var_1_12))))))) : (var_1_8 == ((signed short int) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_13))))) && (var_1_3 ? (var_1_14 == ((unsigned long int) (2931747731u - var_1_10))) : 1)) && ((var_1_11 >= var_1_1) ? (var_1_15 == ((float) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 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, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 282 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1482/1520 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 05:49:47,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/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_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/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_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/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_b1121392-4c55-4529-babc-923124ecaa63/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 776cbeba8a72a8c366fa86377847687b216913b78347eee8ff5c4d62d35f12be --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:49:50,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:49:50,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 05:49:50,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:49:50,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:49:50,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:49:50,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:49:50,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:49:50,658 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:49:50,658 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:49:50,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:49:50,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:49:50,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:49:50,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:49:50,659 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:49:50,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:49:50,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:49:50,660 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:49:50,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:49:50,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:49:50,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:49:50,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:49:50,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:49:50,661 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 05:49:50,661 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 05:49:50,661 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 05:49:50,661 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:49:50,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:49:50,661 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:49:50,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:49:50,662 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:49:50,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:50,662 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:50,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:50,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:50,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:49:50,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:50,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:50,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:50,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:50,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:49:50,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:49:50,663 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:49:50,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:49:50,664 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 05:49:50,664 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 05:49:50,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:49:50,665 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:49:50,665 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:49:50,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:49:50,665 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_b1121392-4c55-4529-babc-923124ecaa63/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 -> 776cbeba8a72a8c366fa86377847687b216913b78347eee8ff5c4d62d35f12be [2024-12-02 05:49:51,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:49:51,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:49:51,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:49:51,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:49:51,081 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:49:51,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-78.i [2024-12-02 05:49:54,931 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/data/cf3d60996/00e7e7ccc97647ae961252117bc0a439/FLAG12c4e2562 [2024-12-02 05:49:55,199 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:49:55,200 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-78.i [2024-12-02 05:49:55,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/data/cf3d60996/00e7e7ccc97647ae961252117bc0a439/FLAG12c4e2562 [2024-12-02 05:49:55,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/data/cf3d60996/00e7e7ccc97647ae961252117bc0a439 [2024-12-02 05:49:55,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:49:55,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:49:55,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:49:55,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:49:55,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:49:55,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9257ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55, skipping insertion in model container [2024-12-02 05:49:55,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:49:55,441 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_b1121392-4c55-4529-babc-923124ecaa63/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-78.i[915,928] [2024-12-02 05:49:55,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:49:55,525 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:49:55,538 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_b1121392-4c55-4529-babc-923124ecaa63/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-78.i[915,928] [2024-12-02 05:49:55,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:49:55,594 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:49:55,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55 WrapperNode [2024-12-02 05:49:55,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:49:55,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:49:55,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:49:55,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:49:55,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,658 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-12-02 05:49:55,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:49:55,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:49:55,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:49:55,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:49:55,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,677 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,698 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 05:49:55,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,711 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:49:55,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:49:55,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:49:55,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:49:55,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55" (1/1) ... [2024-12-02 05:49:55,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:55,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:55,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:49:55,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:49:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:49:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 05:49:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:49:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:49:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:49:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:49:55,913 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:49:55,915 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:49:56,255 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-02 05:49:56,255 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:49:56,270 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:49:56,271 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:49:56,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:56 BoogieIcfgContainer [2024-12-02 05:49:56,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:49:56,275 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:49:56,275 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:49:56,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:49:56,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:49:55" (1/3) ... [2024-12-02 05:49:56,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a97a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:49:56, skipping insertion in model container [2024-12-02 05:49:56,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:55" (2/3) ... [2024-12-02 05:49:56,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a97a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:49:56, skipping insertion in model container [2024-12-02 05:49:56,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:56" (3/3) ... [2024-12-02 05:49:56,286 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-78.i [2024-12-02 05:49:56,309 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:49:56,312 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-78.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:49:56,381 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:49:56,395 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;@7ad781e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:49:56,395 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:49:56,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 05:49:56,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 05:49:56,415 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:56,416 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:49:56,417 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:56,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:56,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1548096651, now seen corresponding path program 1 times [2024-12-02 05:49:56,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:49:56,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886466537] [2024-12-02 05:49:56,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:56,436 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 05:49:56,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:49:56,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/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 05:49:56,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/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 05:49:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:56,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:49:56,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:49:56,768 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-12-02 05:49:56,768 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:49:56,769 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:49:56,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886466537] [2024-12-02 05:49:56,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886466537] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:56,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:49:56,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:49:56,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104004157] [2024-12-02 05:49:56,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:56,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:49:56,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:49:56,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:49:56,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:49:56,804 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 05:49:56,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:56,836 INFO L93 Difference]: Finished difference Result 105 states and 180 transitions. [2024-12-02 05:49:56,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:49:56,839 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-12-02 05:49:56,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:56,847 INFO L225 Difference]: With dead ends: 105 [2024-12-02 05:49:56,847 INFO L226 Difference]: Without dead ends: 52 [2024-12-02 05:49:56,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 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 05:49:56,855 INFO L435 NwaCegarLoop]: 75 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, 75 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 05:49:56,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:49:56,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-12-02 05:49:56,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-12-02 05:49:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 05:49:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-12-02 05:49:56,911 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 125 [2024-12-02 05:49:56,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:56,911 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-12-02 05:49:56,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 05:49:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-12-02 05:49:56,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 05:49:56,914 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:56,914 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:49:56,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/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 05:49:57,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/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 05:49:57,116 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:57,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:57,117 INFO L85 PathProgramCache]: Analyzing trace with hash -974018675, now seen corresponding path program 1 times [2024-12-02 05:49:57,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:49:57,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629350218] [2024-12-02 05:49:57,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:57,119 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 05:49:57,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:49:57,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/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 05:49:57,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1121392-4c55-4529-babc-923124ecaa63/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 05:49:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:57,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 05:49:57,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 325 proven. 42 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-12-02 05:53:16,722 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:02:51,298 WARN L286 SmtUtils]: Spent 25.99s on a formula simplification. DAG size of input: 211 DAG size of output: 205 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 06:03:19,371 WARN L286 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 199 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 06:04:19,015 WARN L286 SmtUtils]: Spent 35.84s on a formula simplification. DAG size of input: 255 DAG size of output: 239 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)