./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2354c4d30c0335eb0a6c6e03cf8d087a440768412264986840e048ded8afea74 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:02:07,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:02:07,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 17:02:07,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:02:07,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:02:07,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:02:07,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:02:07,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:02:07,715 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:02:07,715 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:02:07,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:02:07,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:02:07,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:02:07,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:02:07,718 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:02:07,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:02:07,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:02:07,719 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:02:07,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:02:07,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:02:07,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:02:07,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:02:07,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:02:07,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:02:07,725 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:02:07,725 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:02:07,726 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:02:07,726 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:02:07,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:02:07,726 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:02:07,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:02:07,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:02:07,727 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:02:07,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:02:07,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:02:07,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:02:07,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:02:07,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:02:07,731 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:02:07,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:02:07,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:02:07,732 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:02:07,733 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:02:07,733 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:02:07,733 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2354c4d30c0335eb0a6c6e03cf8d087a440768412264986840e048ded8afea74 [2024-11-08 17:02:07,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:02:08,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:02:08,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:02:08,026 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:02:08,027 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:02:08,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c Unable to find full path for "g++" [2024-11-08 17:02:10,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:02:10,324 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:02:10,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2024-11-08 17:02:10,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/data/7a7ee3dbc/2fdf2c3e64ab426383acc1e87ce2134f/FLAG35bccd7bd [2024-11-08 17:02:10,350 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/data/7a7ee3dbc/2fdf2c3e64ab426383acc1e87ce2134f [2024-11-08 17:02:10,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:02:10,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:02:10,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:02:10,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:02:10,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:02:10,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:02:10" (1/1) ... [2024-11-08 17:02:10,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8e12c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10, skipping insertion in model container [2024-11-08 17:02:10,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:02:10" (1/1) ... [2024-11-08 17:02:10,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:02:10,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:02:10,816 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:02:10,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:02:10,915 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:02:10,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10 WrapperNode [2024-11-08 17:02:10,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:02:10,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:02:10,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:02:10,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:02:10,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10" (1/1) ... [2024-11-08 17:02:10,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10" (1/1) ... [2024-11-08 17:02:11,002 INFO L138 Inliner]: procedures = 32, calls = 49, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 517 [2024-11-08 17:02:11,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:02:11,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:02:11,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:02:11,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:02:11,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10" (1/1) ... [2024-11-08 17:02:11,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10" (1/1) ... [2024-11-08 17:02:11,020 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10" (1/1) ... [2024-11-08 17:02:11,039 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:02:11,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10" (1/1) ... [2024-11-08 17:02:11,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10" (1/1) ... [2024-11-08 17:02:11,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10" (1/1) ... [2024-11-08 17:02:11,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10" (1/1) ... [2024-11-08 17:02:11,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10" (1/1) ... [2024-11-08 17:02:11,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10" (1/1) ... [2024-11-08 17:02:11,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:02:11,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:02:11,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:02:11,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:02:11,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10" (1/1) ... [2024-11-08 17:02:11,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:02:11,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:11,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:02:11,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:02:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2024-11-08 17:02:11,162 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2024-11-08 17:02:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:02:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2024-11-08 17:02:11,162 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2024-11-08 17:02:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-08 17:02:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-08 17:02:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2024-11-08 17:02:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2024-11-08 17:02:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:02:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:02:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:02:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2024-11-08 17:02:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2024-11-08 17:02:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:02:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:02:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2024-11-08 17:02:11,167 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2024-11-08 17:02:11,315 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:02:11,319 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:02:12,113 INFO L? ?]: Removed 118 outVars from TransFormulas that were not future-live. [2024-11-08 17:02:12,114 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:02:12,138 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:02:12,138 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:02:12,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:12 BoogieIcfgContainer [2024-11-08 17:02:12,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:02:12,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:02:12,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:02:12,146 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:02:12,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:02:10" (1/3) ... [2024-11-08 17:02:12,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d9f6ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:02:12, skipping insertion in model container [2024-11-08 17:02:12,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:10" (2/3) ... [2024-11-08 17:02:12,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d9f6ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:02:12, skipping insertion in model container [2024-11-08 17:02:12,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:12" (3/3) ... [2024-11-08 17:02:12,150 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2024-11-08 17:02:12,164 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:02:12,164 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:02:12,233 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:02:12,240 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;@4e41b036, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:02:12,241 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:02:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 145 states have (on average 1.5448275862068965) internal successors, (224), 147 states have internal predecessors, (224), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 17:02:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 17:02:12,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:02:12,261 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:02:12,262 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:02:12,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:02:12,268 INFO L85 PathProgramCache]: Analyzing trace with hash 274636914, now seen corresponding path program 1 times [2024-11-08 17:02:12,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:02:12,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233230272] [2024-11-08 17:02:12,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:12,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:02:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:12,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:02:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:12,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:02:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:12,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:02:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:12,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:02:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:12,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:02:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:12,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 17:02:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:12,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 17:02:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:12,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:02:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:12,738 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 17:02:12,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:02:12,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233230272] [2024-11-08 17:02:12,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233230272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:02:12,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:02:12,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:02:12,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998329244] [2024-11-08 17:02:12,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:02:12,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:02:12,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:02:12,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:02:12,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:02:12,792 INFO L87 Difference]: Start difference. First operand has 186 states, 145 states have (on average 1.5448275862068965) internal successors, (224), 147 states have internal predecessors, (224), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:02:12,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:02:12,864 INFO L93 Difference]: Finished difference Result 355 states and 571 transitions. [2024-11-08 17:02:12,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:02:12,869 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 72 [2024-11-08 17:02:12,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:02:12,885 INFO L225 Difference]: With dead ends: 355 [2024-11-08 17:02:12,885 INFO L226 Difference]: Without dead ends: 180 [2024-11-08 17:02:12,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:02:12,897 INFO L432 NwaCegarLoop]: 283 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, 283 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:02:12,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:02:12,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-08 17:02:12,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-11-08 17:02:12,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 140 states have (on average 1.5357142857142858) internal successors, (215), 141 states have internal predecessors, (215), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 17:02:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 277 transitions. [2024-11-08 17:02:12,969 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 277 transitions. Word has length 72 [2024-11-08 17:02:12,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:02:12,969 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 277 transitions. [2024-11-08 17:02:12,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:02:12,970 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 277 transitions. [2024-11-08 17:02:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 17:02:12,975 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:02:12,975 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:02:12,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:02:12,978 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:02:12,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:02:12,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1992269618, now seen corresponding path program 1 times [2024-11-08 17:02:12,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:02:12,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787896042] [2024-11-08 17:02:12,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:12,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:02:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:13,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:02:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:13,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:02:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:13,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:02:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:13,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:02:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:13,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:02:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:13,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 17:02:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:13,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 17:02:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:13,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:02:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:13,384 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 17:02:13,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:02:13,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787896042] [2024-11-08 17:02:13,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787896042] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:02:13,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698185556] [2024-11-08 17:02:13,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:13,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:02:13,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:13,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:02:13,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:02:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:13,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:02:13,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:02:13,720 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:02:13,720 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:02:13,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698185556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:02:13,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:02:13,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-08 17:02:13,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408850514] [2024-11-08 17:02:13,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:02:13,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:02:13,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:02:13,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:02:13,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:02:13,724 INFO L87 Difference]: Start difference. First operand 180 states and 277 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 17:02:13,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:02:13,975 INFO L93 Difference]: Finished difference Result 397 states and 601 transitions. [2024-11-08 17:02:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:02:13,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2024-11-08 17:02:13,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:02:13,980 INFO L225 Difference]: With dead ends: 397 [2024-11-08 17:02:13,980 INFO L226 Difference]: Without dead ends: 234 [2024-11-08 17:02:13,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:02:13,986 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 407 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:02:13,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 717 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:02:13,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-08 17:02:14,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 230. [2024-11-08 17:02:14,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 183 states have (on average 1.5136612021857923) internal successors, (277), 184 states have internal predecessors, (277), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-08 17:02:14,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 347 transitions. [2024-11-08 17:02:14,033 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 347 transitions. Word has length 72 [2024-11-08 17:02:14,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:02:14,034 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 347 transitions. [2024-11-08 17:02:14,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 17:02:14,035 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 347 transitions. [2024-11-08 17:02:14,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 17:02:14,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:02:14,041 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:02:14,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 17:02:14,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-08 17:02:14,243 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:02:14,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:02:14,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1845802368, now seen corresponding path program 1 times [2024-11-08 17:02:14,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:02:14,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009988174] [2024-11-08 17:02:14,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:14,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:02:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:14,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:02:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:14,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:02:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:14,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:02:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:14,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:02:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:14,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 17:02:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:14,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 17:02:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:14,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 17:02:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:14,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:02:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 17:02:14,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:02:14,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009988174] [2024-11-08 17:02:14,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009988174] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:02:14,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914671081] [2024-11-08 17:02:14,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:14,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:02:14,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:14,453 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:02:14,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:02:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:14,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:02:14,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:02:14,783 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:02:14,784 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:02:14,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914671081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:02:14,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:02:14,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-08 17:02:14,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356181325] [2024-11-08 17:02:14,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:02:14,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:02:14,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:02:14,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:02:14,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:02:14,790 INFO L87 Difference]: Start difference. First operand 230 states and 347 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 17:02:15,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:02:15,016 INFO L93 Difference]: Finished difference Result 398 states and 601 transitions. [2024-11-08 17:02:15,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:02:15,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 73 [2024-11-08 17:02:15,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:02:15,019 INFO L225 Difference]: With dead ends: 398 [2024-11-08 17:02:15,019 INFO L226 Difference]: Without dead ends: 235 [2024-11-08 17:02:15,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:02:15,025 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 407 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:02:15,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 717 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:02:15,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-08 17:02:15,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 232. [2024-11-08 17:02:15,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 185 states have (on average 1.508108108108108) internal successors, (279), 186 states have internal predecessors, (279), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-08 17:02:15,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 349 transitions. [2024-11-08 17:02:15,061 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 349 transitions. Word has length 73 [2024-11-08 17:02:15,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:02:15,061 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 349 transitions. [2024-11-08 17:02:15,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 17:02:15,062 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 349 transitions. [2024-11-08 17:02:15,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 17:02:15,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:02:15,066 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:02:15,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:02:15,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:02:15,266 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:02:15,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:02:15,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1109365266, now seen corresponding path program 1 times [2024-11-08 17:02:15,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:02:15,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688838816] [2024-11-08 17:02:15,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:15,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:02:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:15,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:02:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:02:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:15,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:02:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:15,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:02:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:02:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:15,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:02:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:15,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:02:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:15,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 17:02:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:15,553 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 17:02:15,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:02:15,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688838816] [2024-11-08 17:02:15,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688838816] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:02:15,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438355487] [2024-11-08 17:02:15,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:15,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:02:15,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:15,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:02:15,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:02:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:15,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:02:15,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:02:15,871 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 17:02:15,871 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:02:15,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438355487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:02:15,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:02:15,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-08 17:02:15,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823555954] [2024-11-08 17:02:15,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:02:15,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:02:15,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:02:15,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:02:15,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:02:15,874 INFO L87 Difference]: Start difference. First operand 232 states and 349 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:02:15,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:02:15,913 INFO L93 Difference]: Finished difference Result 232 states and 349 transitions. [2024-11-08 17:02:15,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:02:15,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2024-11-08 17:02:15,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:02:15,916 INFO L225 Difference]: With dead ends: 232 [2024-11-08 17:02:15,916 INFO L226 Difference]: Without dead ends: 231 [2024-11-08 17:02:15,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:02:15,917 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 108 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:02:15,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 647 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:02:15,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-08 17:02:15,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2024-11-08 17:02:15,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 185 states have (on average 1.5027027027027027) internal successors, (278), 185 states have internal predecessors, (278), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-08 17:02:15,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 348 transitions. [2024-11-08 17:02:15,954 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 348 transitions. Word has length 75 [2024-11-08 17:02:15,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:02:15,956 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 348 transitions. [2024-11-08 17:02:15,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:02:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 348 transitions. [2024-11-08 17:02:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-08 17:02:15,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:02:15,958 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:02:15,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 17:02:16,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:02:16,160 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:02:16,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:02:16,160 INFO L85 PathProgramCache]: Analyzing trace with hash 30585402, now seen corresponding path program 1 times [2024-11-08 17:02:16,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:02:16,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086459101] [2024-11-08 17:02:16,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:16,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:02:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:16,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:02:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:16,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:02:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:16,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:02:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:16,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:02:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:16,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:02:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:16,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:02:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:16,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:02:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:16,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 17:02:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 17:02:16,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:02:16,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086459101] [2024-11-08 17:02:16,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086459101] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:02:16,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819735082] [2024-11-08 17:02:16,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:16,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:02:16,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:16,353 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:02:16,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 17:02:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:16,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:02:16,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:02:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 17:02:16,617 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:02:16,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819735082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:02:16,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:02:16,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-08 17:02:16,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844875079] [2024-11-08 17:02:16,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:02:16,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:02:16,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:02:16,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:02:16,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:02:16,619 INFO L87 Difference]: Start difference. First operand 231 states and 348 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:02:16,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:02:16,675 INFO L93 Difference]: Finished difference Result 312 states and 480 transitions. [2024-11-08 17:02:16,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:02:16,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 76 [2024-11-08 17:02:16,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:02:16,680 INFO L225 Difference]: With dead ends: 312 [2024-11-08 17:02:16,680 INFO L226 Difference]: Without dead ends: 311 [2024-11-08 17:02:16,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:02:16,681 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 101 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:02:16,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 808 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:02:16,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-08 17:02:16,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2024-11-08 17:02:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 242 states have (on average 1.5) internal successors, (363), 242 states have internal predecessors, (363), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 17:02:16,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 479 transitions. [2024-11-08 17:02:16,708 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 479 transitions. Word has length 76 [2024-11-08 17:02:16,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:02:16,709 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 479 transitions. [2024-11-08 17:02:16,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:02:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 479 transitions. [2024-11-08 17:02:16,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:02:16,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:02:16,714 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:02:16,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 17:02:16,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:02:16,914 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:02:16,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:02:16,915 INFO L85 PathProgramCache]: Analyzing trace with hash -856549901, now seen corresponding path program 1 times [2024-11-08 17:02:16,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:02:16,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629917111] [2024-11-08 17:02:16,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:16,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:02:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:02:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:02:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:02:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:02:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 17:02:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:02:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:02:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 17:02:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:02:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 17:02:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 17:02:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:02:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 17:02:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 17:02:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:02:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-08 17:02:17,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:02:17,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629917111] [2024-11-08 17:02:17,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629917111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:02:17,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862461992] [2024-11-08 17:02:17,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:17,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:02:17,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:17,187 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:02:17,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 17:02:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:17,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:02:17,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:02:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 17:02:17,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:02:17,844 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 17:02:17,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862461992] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:02:17,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:02:17,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2024-11-08 17:02:17,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287727520] [2024-11-08 17:02:17,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:02:17,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 17:02:17,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:02:17,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 17:02:17,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:02:17,848 INFO L87 Difference]: Start difference. First operand 311 states and 479 transitions. Second operand has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2024-11-08 17:02:18,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:02:18,132 INFO L93 Difference]: Finished difference Result 724 states and 1124 transitions. [2024-11-08 17:02:18,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:02:18,133 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) Word has length 139 [2024-11-08 17:02:18,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:02:18,134 INFO L225 Difference]: With dead ends: 724 [2024-11-08 17:02:18,134 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 17:02:18,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:02:18,137 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 452 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 2025 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:02:18,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 2025 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:02:18,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 17:02:18,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 17:02:18,138 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) [2024-11-08 17:02:18,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 17:02:18,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2024-11-08 17:02:18,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:02:18,139 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:02:18,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2024-11-08 17:02:18,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 17:02:18,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 17:02:18,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:02:18,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:02:18,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 17:02:18,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:02:18,346 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-08 17:02:18,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 17:02:19,121 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:02:19,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:02:19 BoogieIcfgContainer [2024-11-08 17:02:19,177 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:02:19,177 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:02:19,177 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:02:19,178 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:02:19,178 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:12" (3/4) ... [2024-11-08 17:02:19,181 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:02:19,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2024-11-08 17:02:19,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flip_the_side [2024-11-08 17:02:19,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2024-11-08 17:02:19,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2024-11-08 17:02:19,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2024-11-08 17:02:19,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 17:02:19,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2024-11-08 17:02:19,196 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2024-11-08 17:02:19,197 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 17:02:19,197 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:02:19,198 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:02:19,354 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:02:19,354 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:02:19,354 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:02:19,355 INFO L158 Benchmark]: Toolchain (without parser) took 9001.32ms. Allocated memory was 151.0MB in the beginning and 260.0MB in the end (delta: 109.1MB). Free memory was 107.3MB in the beginning and 212.3MB in the end (delta: -105.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-08 17:02:19,355 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 151.0MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:02:19,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 561.33ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 86.8MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 17:02:19,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.84ms. Allocated memory is still 151.0MB. Free memory was 86.8MB in the beginning and 83.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:02:19,357 INFO L158 Benchmark]: Boogie Preprocessor took 66.09ms. Allocated memory is still 151.0MB. Free memory was 83.3MB in the beginning and 78.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:02:19,357 INFO L158 Benchmark]: RCFGBuilder took 1068.54ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 78.5MB in the beginning and 166.3MB in the end (delta: -87.8MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-11-08 17:02:19,358 INFO L158 Benchmark]: TraceAbstraction took 7035.49ms. Allocated memory was 216.0MB in the beginning and 260.0MB in the end (delta: 44.0MB). Free memory was 165.3MB in the beginning and 225.9MB in the end (delta: -60.7MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. [2024-11-08 17:02:19,358 INFO L158 Benchmark]: Witness Printer took 177.16ms. Allocated memory is still 260.0MB. Free memory was 225.9MB in the beginning and 212.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:02:19,361 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 151.0MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 561.33ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 86.8MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.84ms. Allocated memory is still 151.0MB. Free memory was 86.8MB in the beginning and 83.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.09ms. Allocated memory is still 151.0MB. Free memory was 83.3MB in the beginning and 78.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1068.54ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 78.5MB in the beginning and 166.3MB in the end (delta: -87.8MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7035.49ms. Allocated memory was 216.0MB in the beginning and 260.0MB in the end (delta: 44.0MB). Free memory was 165.3MB in the beginning and 225.9MB in the end (delta: -60.7MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. * Witness Printer took 177.16ms. Allocated memory is still 260.0MB. Free memory was 225.9MB in the beginning and 212.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 186 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1577 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1475 mSDsluCounter, 5197 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3621 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 391 IncrementalHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 1576 mSDtfsCounter, 391 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 711 GetRequests, 669 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=311occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 942 NumberOfCodeBlocks, 942 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1069 ConstructedInterpolants, 0 QuantifiedInterpolants, 1783 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2517 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 245/333 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((0 <= i2) && (i2 <= 2147483646)) && (((short) nomsg + 1) <= 0)) - ProcedureContractResult [Line: 173]: Procedure Contract for read_manual_selection_history Derived contract for procedure read_manual_selection_history. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 236]: Procedure Contract for flip_the_side Derived contract for procedure flip_the_side. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 113]: Procedure Contract for read_side2_failed_history Derived contract for procedure read_side2_failed_history. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 612]: Procedure Contract for assert Derived contract for procedure assert. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 83]: Procedure Contract for read_side1_failed_history Derived contract for procedure read_side1_failed_history. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 57]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (((short) nomsg + 1) <= 0) Ensures: (((cond != 0) && (((short) nomsg + 1) <= 0)) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 143]: Procedure Contract for read_active_side_history Derived contract for procedure read_active_side_history. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 17:02:19,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821eb5c4-b4aa-4e83-b745-29b3a6a0a43c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE