./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.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_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/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_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/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_ef393e71-5fe6-4136-bebc-0db10315342b/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 2bc4b1110ac40ac45fd6b768f4c3036267384ecb556aaf76493d3204f3559707 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:00:29,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:00:29,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 08:00:29,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:00:29,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:00:29,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:00:29,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:00:29,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:00:29,101 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:00:29,101 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:00:29,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:00:29,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:00:29,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:00:29,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:00:29,102 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:00:29,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:00:29,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:00:29,102 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:00:29,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:00:29,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:00:29,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:00:29,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:00:29,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:00:29,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:00:29,103 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:00:29,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:00:29,103 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:00:29,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:00:29,103 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:00:29,103 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:00:29,103 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:00:29,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:00:29,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:00:29,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:00:29,104 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:00:29,104 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:00:29,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:00:29,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:00:29,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:00:29,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:00:29,104 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:00:29,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:00:29,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:00:29,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:00:29,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:00:29,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:00:29,105 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:00:29,105 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:00:29,105 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_ef393e71-5fe6-4136-bebc-0db10315342b/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 -> 2bc4b1110ac40ac45fd6b768f4c3036267384ecb556aaf76493d3204f3559707 [2024-12-02 08:00:29,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:00:29,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:00:29,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:00:29,324 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:00:29,324 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:00:29,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i [2024-12-02 08:00:31,959 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/data/62c4424c9/0f896fadfd2f470aac0c5373ccdde78a/FLAG823b69b6d [2024-12-02 08:00:32,162 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:00:32,163 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i [2024-12-02 08:00:32,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/data/62c4424c9/0f896fadfd2f470aac0c5373ccdde78a/FLAG823b69b6d [2024-12-02 08:00:32,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/data/62c4424c9/0f896fadfd2f470aac0c5373ccdde78a [2024-12-02 08:00:32,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:00:32,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:00:32,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:00:32,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:00:32,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:00:32,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e4a421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32, skipping insertion in model container [2024-12-02 08:00:32,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,209 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:00:32,313 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_ef393e71-5fe6-4136-bebc-0db10315342b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i[915,928] [2024-12-02 08:00:32,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:00:32,359 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:00:32,367 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_ef393e71-5fe6-4136-bebc-0db10315342b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i[915,928] [2024-12-02 08:00:32,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:00:32,395 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:00:32,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32 WrapperNode [2024-12-02 08:00:32,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:00:32,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:00:32,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:00:32,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:00:32,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,422 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2024-12-02 08:00:32,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:00:32,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:00:32,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:00:32,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:00:32,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,431 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,439 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 08:00:32,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,442 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:00:32,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:00:32,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:00:32,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:00:32,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32" (1/1) ... [2024-12-02 08:00:32,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:00:32,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:00:32,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:00:32,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:00:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:00:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:00:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:00:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:00:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:00:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:00:32,555 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:00:32,556 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:00:32,793 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 08:00:32,793 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:00:32,801 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:00:32,802 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:00:32,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:00:32 BoogieIcfgContainer [2024-12-02 08:00:32,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:00:32,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:00:32,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:00:32,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:00:32,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:00:32" (1/3) ... [2024-12-02 08:00:32,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3416ca72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:00:32, skipping insertion in model container [2024-12-02 08:00:32,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:32" (2/3) ... [2024-12-02 08:00:32,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3416ca72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:00:32, skipping insertion in model container [2024-12-02 08:00:32,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:00:32" (3/3) ... [2024-12-02 08:00:32,810 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-90.i [2024-12-02 08:00:32,822 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:00:32,823 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-90.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:00:32,870 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:00:32,880 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;@32fd8885, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:00:32,880 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:00:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 08:00:32,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 08:00:32,890 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:00:32,891 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:00:32,891 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:00:32,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:00:32,895 INFO L85 PathProgramCache]: Analyzing trace with hash -2023651706, now seen corresponding path program 1 times [2024-12-02 08:00:32,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:00:32,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573570857] [2024-12-02 08:00:32,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:00:32,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:00:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:00:33,090 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 08:00:33,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:00:33,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573570857] [2024-12-02 08:00:33,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573570857] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:00:33,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281064342] [2024-12-02 08:00:33,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:00:33,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:00:33,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:00:33,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:00:33,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:00:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:00:33,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:00:33,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:00:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 08:00:33,244 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:00:33,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281064342] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:00:33,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:00:33,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 08:00:33,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588331530] [2024-12-02 08:00:33,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:00:33,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:00:33,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:00:33,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:00:33,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:00:33,271 INFO L87 Difference]: Start difference. First operand has 62 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:00:33,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:00:33,292 INFO L93 Difference]: Finished difference Result 117 states and 193 transitions. [2024-12-02 08:00:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:00:33,293 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2024-12-02 08:00:33,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:00:33,298 INFO L225 Difference]: With dead ends: 117 [2024-12-02 08:00:33,299 INFO L226 Difference]: Without dead ends: 58 [2024-12-02 08:00:33,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:00:33,304 INFO L435 NwaCegarLoop]: 84 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, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:00:33,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:00:33,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-12-02 08:00:33,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-12-02 08:00:33,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 39 states have internal predecessors, (50), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 08:00:33,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2024-12-02 08:00:33,333 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 109 [2024-12-02 08:00:33,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:00:33,333 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2024-12-02 08:00:33,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:00:33,333 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2024-12-02 08:00:33,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 08:00:33,335 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:00:33,336 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:00:33,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:00:33,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 08:00:33,536 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:00:33,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:00:33,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1837775300, now seen corresponding path program 1 times [2024-12-02 08:00:33,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:00:33,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522706100] [2024-12-02 08:00:33,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:00:33,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:00:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:00:34,123 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 08:00:34,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:00:34,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522706100] [2024-12-02 08:00:34,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522706100] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:00:34,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:00:34,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 08:00:34,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898338203] [2024-12-02 08:00:34,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:00:34,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:00:34,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:00:34,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:00:34,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:00:34,125 INFO L87 Difference]: Start difference. First operand 58 states and 84 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:00:34,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:00:34,436 INFO L93 Difference]: Finished difference Result 199 states and 292 transitions. [2024-12-02 08:00:34,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:00:34,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2024-12-02 08:00:34,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:00:34,439 INFO L225 Difference]: With dead ends: 199 [2024-12-02 08:00:34,439 INFO L226 Difference]: Without dead ends: 144 [2024-12-02 08:00:34,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:00:34,441 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 148 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:00:34,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 466 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:00:34,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-12-02 08:00:34,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 67. [2024-12-02 08:00:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 08:00:34,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 97 transitions. [2024-12-02 08:00:34,455 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 97 transitions. Word has length 109 [2024-12-02 08:00:34,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:00:34,456 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 97 transitions. [2024-12-02 08:00:34,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:00:34,457 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2024-12-02 08:00:34,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 08:00:34,458 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:00:34,459 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:00:34,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:00:34,459 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:00:34,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:00:34,459 INFO L85 PathProgramCache]: Analyzing trace with hash 2124806660, now seen corresponding path program 1 times [2024-12-02 08:00:34,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:00:34,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206308274] [2024-12-02 08:00:34,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:00:34,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:00:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:00:34,701 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 08:00:34,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:00:34,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206308274] [2024-12-02 08:00:34,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206308274] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:00:34,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:00:34,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:00:34,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792822490] [2024-12-02 08:00:34,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:00:34,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:00:34,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:00:34,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:00:34,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:00:34,703 INFO L87 Difference]: Start difference. First operand 67 states and 97 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:00:34,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:00:34,767 INFO L93 Difference]: Finished difference Result 176 states and 255 transitions. [2024-12-02 08:00:34,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:00:34,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2024-12-02 08:00:34,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:00:34,770 INFO L225 Difference]: With dead ends: 176 [2024-12-02 08:00:34,770 INFO L226 Difference]: Without dead ends: 112 [2024-12-02 08:00:34,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:00:34,771 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 73 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:00:34,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 525 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:00:34,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-12-02 08:00:34,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 59. [2024-12-02 08:00:34,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 40 states have (on average 1.225) internal successors, (49), 40 states have internal predecessors, (49), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 08:00:34,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 83 transitions. [2024-12-02 08:00:34,780 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 83 transitions. Word has length 109 [2024-12-02 08:00:34,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:00:34,781 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 83 transitions. [2024-12-02 08:00:34,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:00:34,781 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2024-12-02 08:00:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 08:00:34,782 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:00:34,783 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:00:34,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:00:34,783 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:00:34,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:00:34,783 INFO L85 PathProgramCache]: Analyzing trace with hash 867786670, now seen corresponding path program 1 times [2024-12-02 08:00:34,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:00:34,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122702708] [2024-12-02 08:00:34,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:00:34,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:00:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:00:34,858 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:00:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:00:34,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 08:00:34,935 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 08:00:34,936 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 08:00:34,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:00:34,941 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 08:00:34,995 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:00:34,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:00:34 BoogieIcfgContainer [2024-12-02 08:00:34,998 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:00:34,999 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:00:34,999 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:00:34,999 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:00:35,000 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:00:32" (3/4) ... [2024-12-02 08:00:35,002 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 08:00:35,003 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:00:35,004 INFO L158 Benchmark]: Toolchain (without parser) took 2813.19ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 47.9MB in the end (delta: 71.6MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2024-12-02 08:00:35,004 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:00:35,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.46ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 106.7MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:00:35,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.45ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 104.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:00:35,005 INFO L158 Benchmark]: Boogie Preprocessor took 27.26ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 102.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:00:35,005 INFO L158 Benchmark]: RCFGBuilder took 351.36ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 86.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:00:35,005 INFO L158 Benchmark]: TraceAbstraction took 2194.31ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 47.9MB in the end (delta: 38.5MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-12-02 08:00:35,006 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 142.6MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:00:35,007 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.46ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 106.7MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.45ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 104.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.26ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 102.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 351.36ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 86.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2194.31ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 47.9MB in the end (delta: 38.5MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 142.6MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 25; [L23] unsigned long int var_1_6 = 2; [L24] unsigned long int var_1_7 = 2762957886; [L25] unsigned long int var_1_8 = 2; [L26] unsigned long int var_1_9 = 1000000000; [L27] unsigned long int var_1_10 = 100; [L28] signed char var_1_11 = 4; [L29] signed char var_1_12 = 8; [L30] signed char var_1_13 = 10; [L31] signed char var_1_14 = 8; [L32] unsigned char var_1_15 = 1; [L33] unsigned char var_1_16 = 0; [L34] double var_1_17 = 32.4; [L35] double var_1_18 = 15.5; [L36] unsigned long int last_1_var_1_6 = 2; VAL [isInitial=0, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=2762957886, var_1_8=2, var_1_9=1000000000] [L101] isInitial = 1 [L102] FCALL initially() [L104] CALL updateLastVariables() [L94] last_1_var_1_6 = var_1_6 VAL [isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=2762957886, var_1_8=2, var_1_9=1000000000] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L66] var_1_7 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2, var_1_9=1000000000] [L67] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2, var_1_9=1000000000] [L68] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2, var_1_9=1000000000] [L68] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2, var_1_9=1000000000] [L69] var_1_8 = __VERIFIER_nondet_ulong() [L70] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_9=1000000000] [L70] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_9=1000000000] [L71] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1000000000] [L71] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1000000000] [L72] var_1_9 = __VERIFIER_nondet_ulong() [L73] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L73] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L74] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L74] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L75] var_1_10 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L76] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_6=2, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L77] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L77] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L78] var_1_12 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L79] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L80] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L80] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L81] var_1_13 = __VERIFIER_nondet_char() [L82] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L82] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L83] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L83] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L84] var_1_14 = __VERIFIER_nondet_char() [L85] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L85] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L86] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L86] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L87] var_1_16 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L88] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L89] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L89] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L90] var_1_18 = __VERIFIER_nondet_double() [L91] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L91] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L105] RET updateVariables() [L106] CALL step() [L40] var_1_15 = var_1_16 [L41] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L42] COND TRUE \read(var_1_15) [L43] var_1_11 = (((var_1_12 + var_1_13) + var_1_14) - 50) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L45] COND TRUE \read(var_1_15) [L46] var_1_1 = (((((var_1_11 + var_1_11)) < (var_1_11)) ? ((var_1_11 + var_1_11)) : (var_1_11))) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L48] signed long int stepLocal_2 = (((var_1_11) < (var_1_11)) ? (var_1_11) : (var_1_11)); [L49] signed long int stepLocal_1 = (((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11)); [L50] unsigned long int stepLocal_0 = var_1_7 - var_1_8; VAL [isInitial=1, last_1_var_1_6=2, stepLocal_0=4294967296, stepLocal_1=2, stepLocal_2=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L51] COND FALSE !(last_1_var_1_6 != stepLocal_2) [L62] var_1_6 = var_1_8 VAL [isInitial=1, last_1_var_1_6=2, stepLocal_0=4294967296, stepLocal_1=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2147483647, var_1_7=6442450943, var_1_8=2147483647] [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR (var_1_15 ? (var_1_1 == ((signed short int) (((((var_1_11 + var_1_11)) < (var_1_11)) ? ((var_1_11 + var_1_11)) : (var_1_11))))) : 1) && ((last_1_var_1_6 != ((((var_1_11) < (var_1_11)) ? (var_1_11) : (var_1_11)))) ? (((var_1_7 - var_1_8) >= var_1_9) ? ((((((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11))) < (var_1_8 >> var_1_9)) ? (var_1_6 == ((unsigned long int) var_1_8)) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_8))) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2147483647, var_1_7=6442450943, var_1_8=2147483647] [L97] EXPR (last_1_var_1_6 != ((((var_1_11) < (var_1_11)) ? (var_1_11) : (var_1_11)))) ? (((var_1_7 - var_1_8) >= var_1_9) ? ((((((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11))) < (var_1_8 >> var_1_9)) ? (var_1_6 == ((unsigned long int) var_1_8)) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_8)) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2147483647, var_1_7=6442450943, var_1_8=2147483647] [L97] EXPR (var_1_15 ? (var_1_1 == ((signed short int) (((((var_1_11 + var_1_11)) < (var_1_11)) ? ((var_1_11 + var_1_11)) : (var_1_11))))) : 1) && ((last_1_var_1_6 != ((((var_1_11) < (var_1_11)) ? (var_1_11) : (var_1_11)))) ? (((var_1_7 - var_1_8) >= var_1_9) ? ((((((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11))) < (var_1_8 >> var_1_9)) ? (var_1_6 == ((unsigned long int) var_1_8)) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_8))) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2147483647, var_1_7=6442450943, var_1_8=2147483647] [L97-L98] return ((((var_1_15 ? (var_1_1 == ((signed short int) (((((var_1_11 + var_1_11)) < (var_1_11)) ? ((var_1_11 + var_1_11)) : (var_1_11))))) : 1) && ((last_1_var_1_6 != ((((var_1_11) < (var_1_11)) ? (var_1_11) : (var_1_11)))) ? (((var_1_7 - var_1_8) >= var_1_9) ? ((((((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11))) < (var_1_8 >> var_1_9)) ? (var_1_6 == ((unsigned long int) var_1_8)) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_8)))) && (var_1_15 ? (var_1_11 == ((signed char) (((var_1_12 + var_1_13) + var_1_14) - 50))) : 1)) && (var_1_15 == ((unsigned char) var_1_16))) && (var_1_17 == ((double) var_1_18)) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2147483647, var_1_7=6442450943, var_1_8=2147483647] [L19] reach_error() VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2147483647, var_1_7=6442450943, var_1_8=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 221 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 221 mSDsluCounter, 1075 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 706 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 369 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 547 NumberOfCodeBlocks, 547 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 693 SizeOfPredicates, 0 NumberOfNonLiveVariables, 258 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2144/2176 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 08:00:35,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/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_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/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_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/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_ef393e71-5fe6-4136-bebc-0db10315342b/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 2bc4b1110ac40ac45fd6b768f4c3036267384ecb556aaf76493d3204f3559707 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:00:36,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:00:37,056 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 08:00:37,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:00:37,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:00:37,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:00:37,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:00:37,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:00:37,087 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:00:37,087 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:00:37,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:00:37,087 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:00:37,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:00:37,088 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:00:37,088 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:00:37,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:00:37,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:00:37,088 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:00:37,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:00:37,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:00:37,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:00:37,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:00:37,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:00:37,089 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 08:00:37,089 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 08:00:37,089 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 08:00:37,089 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:00:37,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:00:37,089 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:00:37,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:00:37,089 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:00:37,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:00:37,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:00:37,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:00:37,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:00:37,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:00:37,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:00:37,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:00:37,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:00:37,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:00:37,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:00:37,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:00:37,091 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:00:37,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:00:37,091 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 08:00:37,091 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 08:00:37,091 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:00:37,091 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:00:37,091 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:00:37,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:00:37,091 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_ef393e71-5fe6-4136-bebc-0db10315342b/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 -> 2bc4b1110ac40ac45fd6b768f4c3036267384ecb556aaf76493d3204f3559707 [2024-12-02 08:00:37,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:00:37,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:00:37,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:00:37,346 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:00:37,347 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:00:37,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i [2024-12-02 08:00:40,035 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/data/9ac561d35/b02d8f3a309e499c94a6b4eea1705510/FLAG4b211ebd2 [2024-12-02 08:00:40,200 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:00:40,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i [2024-12-02 08:00:40,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/data/9ac561d35/b02d8f3a309e499c94a6b4eea1705510/FLAG4b211ebd2 [2024-12-02 08:00:40,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/data/9ac561d35/b02d8f3a309e499c94a6b4eea1705510 [2024-12-02 08:00:40,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:00:40,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:00:40,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:00:40,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:00:40,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:00:40,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d416576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40, skipping insertion in model container [2024-12-02 08:00:40,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:00:40,705 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_ef393e71-5fe6-4136-bebc-0db10315342b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i[915,928] [2024-12-02 08:00:40,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:00:40,754 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:00:40,762 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_ef393e71-5fe6-4136-bebc-0db10315342b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i[915,928] [2024-12-02 08:00:40,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:00:40,793 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:00:40,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40 WrapperNode [2024-12-02 08:00:40,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:00:40,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:00:40,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:00:40,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:00:40,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,823 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 109 [2024-12-02 08:00:40,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:00:40,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:00:40,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:00:40,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:00:40,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,834 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,843 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 08:00:40,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,851 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:00:40,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:00:40,861 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:00:40,861 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:00:40,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40" (1/1) ... [2024-12-02 08:00:40,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:00:40,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:00:40,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:00:40,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:00:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:00:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 08:00:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:00:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:00:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:00:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:00:40,975 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:00:40,977 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:00:41,164 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 08:00:41,165 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:00:41,174 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:00:41,174 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:00:41,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:00:41 BoogieIcfgContainer [2024-12-02 08:00:41,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:00:41,177 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:00:41,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:00:41,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:00:41,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:00:40" (1/3) ... [2024-12-02 08:00:41,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6408fa10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:00:41, skipping insertion in model container [2024-12-02 08:00:41,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:40" (2/3) ... [2024-12-02 08:00:41,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6408fa10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:00:41, skipping insertion in model container [2024-12-02 08:00:41,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:00:41" (3/3) ... [2024-12-02 08:00:41,182 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-90.i [2024-12-02 08:00:41,192 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:00:41,193 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-90.i that has 2 procedures, 51 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:00:41,232 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:00:41,242 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;@56ffb333, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:00:41,242 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:00:41,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 08:00:41,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 08:00:41,255 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:00:41,255 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:00:41,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:00:41,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:00:41,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1387335848, now seen corresponding path program 1 times [2024-12-02 08:00:41,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:00:41,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1916257266] [2024-12-02 08:00:41,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:00:41,271 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:00:41,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:00:41,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 08:00:41,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 08:00:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:00:41,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:00:41,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:00:41,464 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-02 08:00:41,464 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:00:41,465 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:00:41,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1916257266] [2024-12-02 08:00:41,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1916257266] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:00:41,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:00:41,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:00:41,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777972139] [2024-12-02 08:00:41,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:00:41,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:00:41,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:00:41,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:00:41,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:00:41,487 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:00:41,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:00:41,509 INFO L93 Difference]: Finished difference Result 95 states and 161 transitions. [2024-12-02 08:00:41,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:00:41,511 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 107 [2024-12-02 08:00:41,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:00:41,517 INFO L225 Difference]: With dead ends: 95 [2024-12-02 08:00:41,517 INFO L226 Difference]: Without dead ends: 47 [2024-12-02 08:00:41,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:00:41,522 INFO L435 NwaCegarLoop]: 68 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, 68 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:00:41,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:00:41,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-12-02 08:00:41,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-12-02 08:00:41,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 08:00:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2024-12-02 08:00:41,557 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 107 [2024-12-02 08:00:41,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:00:41,558 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2024-12-02 08:00:41,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:00:41,558 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2024-12-02 08:00:41,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 08:00:41,561 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:00:41,561 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:00:41,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 08:00:41,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:00:41,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:00:41,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:00:41,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2101967718, now seen corresponding path program 1 times [2024-12-02 08:00:41,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:00:41,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1421810296] [2024-12-02 08:00:41,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:00:41,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:00:41,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:00:41,765 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 08:00:41,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 08:00:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:00:41,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 08:00:41,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:00:45,690 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 08:00:45,691 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:00:45,691 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:00:45,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1421810296] [2024-12-02 08:00:45,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1421810296] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:00:45,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:00:45,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 08:00:45,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734913098] [2024-12-02 08:00:45,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:00:45,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 08:00:45,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:00:45,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 08:00:45,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-12-02 08:00:45,694 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 14 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:00:47,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:00:47,491 INFO L93 Difference]: Finished difference Result 128 states and 176 transitions. [2024-12-02 08:00:47,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 08:00:47,492 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 107 [2024-12-02 08:00:47,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:00:47,494 INFO L225 Difference]: With dead ends: 128 [2024-12-02 08:00:47,494 INFO L226 Difference]: Without dead ends: 126 [2024-12-02 08:00:47,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=205, Invalid=725, Unknown=0, NotChecked=0, Total=930 [2024-12-02 08:00:47,496 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 180 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 08:00:47,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 389 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 08:00:47,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-12-02 08:00:47,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 90. [2024-12-02 08:00:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 52 states have internal predecessors, (61), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 08:00:47,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 129 transitions. [2024-12-02 08:00:47,517 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 129 transitions. Word has length 107 [2024-12-02 08:00:47,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:00:47,517 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 129 transitions. [2024-12-02 08:00:47,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:00:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 129 transitions. [2024-12-02 08:00:47,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 08:00:47,519 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:00:47,519 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:00:47,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 08:00:47,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:00:47,720 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:00:47,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:00:47,721 INFO L85 PathProgramCache]: Analyzing trace with hash -417992216, now seen corresponding path program 1 times [2024-12-02 08:00:47,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:00:47,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951224839] [2024-12-02 08:00:47,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:00:47,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:00:47,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:00:47,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 08:00:47,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 08:00:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:00:47,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 08:00:47,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:00:47,912 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 160 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-02 08:00:47,912 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:00:48,048 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 08:00:48,048 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:00:48,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951224839] [2024-12-02 08:00:48,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [951224839] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:00:48,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 08:00:48,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-12-02 08:00:48,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5154416] [2024-12-02 08:00:48,048 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 08:00:48,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 08:00:48,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:00:48,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 08:00:48,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:00:48,050 INFO L87 Difference]: Start difference. First operand 90 states and 129 transitions. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 08:00:48,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:00:48,467 INFO L93 Difference]: Finished difference Result 150 states and 207 transitions. [2024-12-02 08:00:48,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 08:00:48,467 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 107 [2024-12-02 08:00:48,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:00:48,469 INFO L225 Difference]: With dead ends: 150 [2024-12-02 08:00:48,469 INFO L226 Difference]: Without dead ends: 106 [2024-12-02 08:00:48,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2024-12-02 08:00:48,471 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 71 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:00:48,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 224 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:00:48,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-12-02 08:00:48,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2024-12-02 08:00:48,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 61 states have internal predecessors, (66), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 08:00:48,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 134 transitions. [2024-12-02 08:00:48,491 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 134 transitions. Word has length 107 [2024-12-02 08:00:48,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:00:48,492 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 134 transitions. [2024-12-02 08:00:48,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 08:00:48,492 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 134 transitions. [2024-12-02 08:00:48,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 08:00:48,493 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:00:48,494 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:00:48,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 08:00:48,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:00:48,694 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:00:48,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:00:48,695 INFO L85 PathProgramCache]: Analyzing trace with hash 331001653, now seen corresponding path program 1 times [2024-12-02 08:00:48,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:00:48,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200592101] [2024-12-02 08:00:48,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:00:48,695 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:00:48,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:00:48,697 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 08:00:48,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/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 (5)] Waiting until timeout for monitored process [2024-12-02 08:00:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:00:48,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 08:00:48,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:00:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 217 proven. 36 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-12-02 08:00:51,932 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:01:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 08:01:00,986 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:01:00,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200592101] [2024-12-02 08:01:00,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200592101] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 08:01:00,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:01:00,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [16] total 28 [2024-12-02 08:01:00,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802277215] [2024-12-02 08:01:00,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:00,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 08:01:00,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:01:00,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 08:01:00,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=608, Unknown=0, NotChecked=0, Total=756 [2024-12-02 08:01:00,989 INFO L87 Difference]: Start difference. First operand 102 states and 134 transitions. Second operand has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:01:03,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:03,367 INFO L93 Difference]: Finished difference Result 117 states and 147 transitions. [2024-12-02 08:01:03,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 08:01:03,368 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2024-12-02 08:01:03,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:03,369 INFO L225 Difference]: With dead ends: 117 [2024-12-02 08:01:03,369 INFO L226 Difference]: Without dead ends: 115 [2024-12-02 08:01:03,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=188, Invalid=804, Unknown=0, NotChecked=0, Total=992 [2024-12-02 08:01:03,371 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 159 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:03,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 357 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 08:01:03,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-12-02 08:01:03,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 110. [2024-12-02 08:01:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 67 states have (on average 1.0746268656716418) internal successors, (72), 67 states have internal predecessors, (72), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 08:01:03,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 140 transitions. [2024-12-02 08:01:03,390 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 140 transitions. Word has length 108 [2024-12-02 08:01:03,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:03,390 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 140 transitions. [2024-12-02 08:01:03,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:01:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 140 transitions. [2024-12-02 08:01:03,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 08:01:03,392 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:03,392 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:03,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/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 (5)] Ended with exit code 0 [2024-12-02 08:01:03,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:01:03,593 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:01:03,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:03,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1432785787, now seen corresponding path program 1 times [2024-12-02 08:01:03,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:01:03,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724394502] [2024-12-02 08:01:03,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:03,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:01:03,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:01:03,596 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 08:01:03,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/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 (6)] Waiting until timeout for monitored process [2024-12-02 08:01:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:03,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-02 08:01:03,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:01:08,331 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 441 proven. 54 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-02 08:01:08,332 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:01:17,897 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 08:01:17,897 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:01:17,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724394502] [2024-12-02 08:01:17,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724394502] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 08:01:17,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:01:17,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [35] total 48 [2024-12-02 08:01:17,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052833285] [2024-12-02 08:01:17,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:17,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 08:01:17,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:01:17,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 08:01:17,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=1895, Unknown=0, NotChecked=0, Total=2256 [2024-12-02 08:01:17,900 INFO L87 Difference]: Start difference. First operand 110 states and 140 transitions. Second operand has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:01:22,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:22,078 INFO L93 Difference]: Finished difference Result 131 states and 159 transitions. [2024-12-02 08:01:22,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 08:01:22,079 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2024-12-02 08:01:22,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:22,080 INFO L225 Difference]: With dead ends: 131 [2024-12-02 08:01:22,080 INFO L226 Difference]: Without dead ends: 129 [2024-12-02 08:01:22,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=446, Invalid=2416, Unknown=0, NotChecked=0, Total=2862 [2024-12-02 08:01:22,081 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 102 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:22,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 172 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 08:01:22,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-12-02 08:01:22,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 118. [2024-12-02 08:01:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 73 states have (on average 1.0684931506849316) internal successors, (78), 73 states have internal predecessors, (78), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 08:01:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 146 transitions. [2024-12-02 08:01:22,100 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 146 transitions. Word has length 109 [2024-12-02 08:01:22,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:22,100 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 146 transitions. [2024-12-02 08:01:22,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:01:22,100 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 146 transitions. [2024-12-02 08:01:22,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 08:01:22,101 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:22,101 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:22,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/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 (6)] Ended with exit code 0 [2024-12-02 08:01:22,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:01:22,302 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:01:22,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:22,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1434632829, now seen corresponding path program 1 times [2024-12-02 08:01:22,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:01:22,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528481630] [2024-12-02 08:01:22,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:22,303 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:01:22,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:01:22,304 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 08:01:22,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/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 (7)] Waiting until timeout for monitored process [2024-12-02 08:01:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:22,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 08:01:22,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:01:25,602 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 217 proven. 36 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-12-02 08:01:25,602 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:01:39,244 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 08:01:39,244 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:01:39,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528481630] [2024-12-02 08:01:39,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528481630] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 08:01:39,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:01:39,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [16] total 28 [2024-12-02 08:01:39,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862018799] [2024-12-02 08:01:39,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:39,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 08:01:39,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:01:39,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 08:01:39,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=596, Unknown=0, NotChecked=0, Total=756 [2024-12-02 08:01:39,246 INFO L87 Difference]: Start difference. First operand 118 states and 146 transitions. Second operand has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:01:42,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:42,369 INFO L93 Difference]: Finished difference Result 124 states and 152 transitions. [2024-12-02 08:01:42,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 08:01:42,370 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2024-12-02 08:01:42,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:42,370 INFO L225 Difference]: With dead ends: 124 [2024-12-02 08:01:42,370 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 08:01:42,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=180, Invalid=690, Unknown=0, NotChecked=0, Total=870 [2024-12-02 08:01:42,371 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 136 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:42,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 312 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 08:01:42,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 08:01:42,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 08:01:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 08:01:42,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2024-12-02 08:01:42,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:42,372 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 08:01:42,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:01:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 08:01:42,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 08:01:42,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 08:01:42,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/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 (7)] Ended with exit code 0 [2024-12-02 08:01:42,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:01:42,577 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 08:01:42,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 08:01:54,883 WARN L286 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 307 DAG size of output: 19 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:02:11,213 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:02:11,222 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 08:02:11,222 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~stepLocal_1~0 [2024-12-02 08:02:11,222 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 08:02:11,223 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-12-02 08:02:11,223 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 08:02:11,223 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 08:02:11,223 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 08:02:11,223 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 08:02:11,223 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 08:02:11,223 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 08:02:11,223 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:02:11,223 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:02:11,223 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-12-02 08:02:11,224 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:02:11,224 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:02:11,224 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-12-02 08:02:11,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:02:11 BoogieIcfgContainer [2024-12-02 08:02:11,226 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:02:11,226 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:02:11,226 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:02:11,226 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:02:11,227 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:00:41" (3/4) ... [2024-12-02 08:02:11,228 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 08:02:11,232 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 08:02:11,234 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-02 08:02:11,234 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 08:02:11,234 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 08:02:11,235 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 08:02:11,302 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 08:02:11,302 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 08:02:11,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:02:11,303 INFO L158 Benchmark]: Toolchain (without parser) took 90715.57ms. Allocated memory was 92.3MB in the beginning and 847.2MB in the end (delta: 755.0MB). Free memory was 69.7MB in the beginning and 584.7MB in the end (delta: -515.0MB). Peak memory consumption was 238.6MB. Max. memory is 16.1GB. [2024-12-02 08:02:11,303 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:02:11,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.48ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 56.4MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:02:11,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.07ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 54.8MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:02:11,304 INFO L158 Benchmark]: Boogie Preprocessor took 36.73ms. Allocated memory is still 92.3MB. Free memory was 54.8MB in the beginning and 52.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:02:11,304 INFO L158 Benchmark]: RCFGBuilder took 313.70ms. Allocated memory is still 92.3MB. Free memory was 52.6MB in the beginning and 68.3MB in the end (delta: -15.7MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-02 08:02:11,304 INFO L158 Benchmark]: TraceAbstraction took 90048.83ms. Allocated memory was 92.3MB in the beginning and 847.2MB in the end (delta: 755.0MB). Free memory was 67.7MB in the beginning and 592.9MB in the end (delta: -525.2MB). Peak memory consumption was 503.8MB. Max. memory is 16.1GB. [2024-12-02 08:02:11,305 INFO L158 Benchmark]: Witness Printer took 76.11ms. Allocated memory is still 847.2MB. Free memory was 592.9MB in the beginning and 584.7MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:02:11,306 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.48ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 56.4MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.07ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 54.8MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.73ms. Allocated memory is still 92.3MB. Free memory was 54.8MB in the beginning and 52.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 313.70ms. Allocated memory is still 92.3MB. Free memory was 52.6MB in the beginning and 68.3MB in the end (delta: -15.7MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * TraceAbstraction took 90048.83ms. Allocated memory was 92.3MB in the beginning and 847.2MB in the end (delta: 755.0MB). Free memory was 67.7MB in the beginning and 592.9MB in the end (delta: -525.2MB). Peak memory consumption was 503.8MB. Max. memory is 16.1GB. * Witness Printer took 76.11ms. Allocated memory is still 847.2MB. Free memory was 592.9MB in the beginning and 584.7MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~stepLocal_1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 61.4s, OverallIterations: 6, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 663 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 648 mSDsluCounter, 1522 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1115 mSDsCounter, 261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1560 IncrementalHoareTripleChecker+Invalid, 1821 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 261 mSolverCounterUnsat, 407 mSDtfsCounter, 1560 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1113 GetRequests, 953 SyntacticMatches, 1 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1791 ImplicationChecksByTransitivity, 18.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=5, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 56 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 47.4s InterpolantComputationTime, 647 NumberOfCodeBlocks, 647 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1070 ConstructedInterpolants, 17 QuantifiedInterpolants, 12293 SizeOfPredicates, 85 NumberOfNonLiveVariables, 1066 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 5302/5440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((((var_1_15 <= 1) && (2 == last_1_var_1_6)) && (var_1_6 == 2)) && (var_1_15 >= 1)) || ((((((2 * var_1_11) < var_1_11) || (var_1_16 == var_1_15)) && (var_1_16 <= 1)) && (var_1_15 >= 1)) && (!((2 * var_1_11) < var_1_11) || (var_1_16 == var_1_15)))) RESULT: Ultimate proved your program to be correct! [2024-12-02 08:02:11,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef393e71-5fe6-4136-bebc-0db10315342b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE