./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix050.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix050.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd --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 a3c87384db48703a1f350b065ac4130898667537456cdd449d5c78c22c9ba26d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:02:01,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:02:02,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 16:02:02,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:02:02,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:02:02,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:02:02,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:02:02,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:02:02,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:02:02,130 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:02:02,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:02:02,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:02:02,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:02:02,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:02:02,131 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:02:02,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:02:02,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:02:02,132 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:02:02,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:02:02,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:02:02,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:02:02,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:02:02,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:02:02,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:02:02,133 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:02:02,133 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:02:02,133 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:02:02,133 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:02:02,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:02:02,133 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:02:02,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:02:02,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:02:02,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:02:02,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:02:02,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:02:02,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:02:02,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:02:02,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:02:02,134 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:02:02,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:02:02,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:02:02,135 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:02:02,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:02:02,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:02:02,136 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd 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 -> a3c87384db48703a1f350b065ac4130898667537456cdd449d5c78c22c9ba26d [2024-11-13 16:02:02,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:02:02,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:02:02,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:02:02,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:02:02,574 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:02:02,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-wmm/mix050.i Unable to find full path for "g++" [2024-11-13 16:02:04,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:02:05,563 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:02:05,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/sv-benchmarks/c/pthread-wmm/mix050.i [2024-11-13 16:02:05,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/data/89d7a6659/d40ae1d81b3346ca8b19eba447f6807c/FLAG4005c9398 [2024-11-13 16:02:05,614 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/data/89d7a6659/d40ae1d81b3346ca8b19eba447f6807c [2024-11-13 16:02:05,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:02:05,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:02:05,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:02:05,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:02:05,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:02:05,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:02:05" (1/1) ... [2024-11-13 16:02:05,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a203221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:05, skipping insertion in model container [2024-11-13 16:02:05,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:02:05" (1/1) ... [2024-11-13 16:02:05,707 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:02:06,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:02:06,302 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:02:06,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:02:06,452 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:02:06,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:06 WrapperNode [2024-11-13 16:02:06,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:02:06,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:02:06,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:02:06,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:02:06,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:06" (1/1) ... [2024-11-13 16:02:06,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:06" (1/1) ... [2024-11-13 16:02:06,530 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 134 [2024-11-13 16:02:06,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:02:06,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:02:06,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:02:06,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:02:06,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:06" (1/1) ... [2024-11-13 16:02:06,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:06" (1/1) ... [2024-11-13 16:02:06,553 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:06" (1/1) ... [2024-11-13 16:02:06,579 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]. [2024-11-13 16:02:06,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:06" (1/1) ... [2024-11-13 16:02:06,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:06" (1/1) ... [2024-11-13 16:02:06,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:06" (1/1) ... [2024-11-13 16:02:06,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:06" (1/1) ... [2024-11-13 16:02:06,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:06" (1/1) ... [2024-11-13 16:02:06,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:06" (1/1) ... [2024-11-13 16:02:06,624 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:02:06,625 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:02:06,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:02:06,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:02:06,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:06" (1/1) ... [2024-11-13 16:02:06,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:02:06,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:02:06,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:02:06,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:02:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 16:02:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:02:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-13 16:02:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-13 16:02:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-13 16:02:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-13 16:02:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-13 16:02:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-13 16:02:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-13 16:02:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-13 16:02:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:02:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 16:02:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:02:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:02:06,726 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 16:02:06,959 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:02:06,962 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:02:07,585 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 16:02:07,586 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:02:08,015 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:02:08,017 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:02:08,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:08 BoogieIcfgContainer [2024-11-13 16:02:08,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:02:08,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:02:08,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:02:08,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:02:08,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:02:05" (1/3) ... [2024-11-13 16:02:08,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221fa905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:02:08, skipping insertion in model container [2024-11-13 16:02:08,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:06" (2/3) ... [2024-11-13 16:02:08,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221fa905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:02:08, skipping insertion in model container [2024-11-13 16:02:08,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:08" (3/3) ... [2024-11-13 16:02:08,035 INFO L112 eAbstractionObserver]: Analyzing ICFG mix050.i [2024-11-13 16:02:08,061 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:02:08,063 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG mix050.i that has 5 procedures, 51 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-13 16:02:08,063 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 16:02:08,188 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 16:02:08,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 50 transitions, 116 flow [2024-11-13 16:02:08,329 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2024-11-13 16:02:08,333 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:02:08,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 46 events. 0/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 123 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-13 16:02:08,338 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 50 transitions, 116 flow [2024-11-13 16:02:08,343 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 46 transitions, 104 flow [2024-11-13 16:02:08,359 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:02:08,383 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;@2c59c1db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:02:08,386 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-13 16:02:08,400 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 16:02:08,401 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2024-11-13 16:02:08,401 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:02:08,401 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:02:08,402 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:02:08,403 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-13 16:02:08,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:02:08,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1894326397, now seen corresponding path program 1 times [2024-11-13 16:02:08,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:02:08,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751590331] [2024-11-13 16:02:08,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:02:08,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:02:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:08,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:02:08,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:02:08,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751590331] [2024-11-13 16:02:08,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751590331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:02:08,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:02:08,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 16:02:08,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263600232] [2024-11-13 16:02:08,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:02:08,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:02:08,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:02:09,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:02:09,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:02:09,062 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-13 16:02:09,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-11-13 16:02:09,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:02:09,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-13 16:02:09,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:02:15,105 INFO L124 PetriNetUnfolderBase]: 22099/29647 cut-off events. [2024-11-13 16:02:15,106 INFO L125 PetriNetUnfolderBase]: For 196/196 co-relation queries the response was YES. [2024-11-13 16:02:15,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59623 conditions, 29647 events. 22099/29647 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 1523. Compared 184744 event pairs, 9017 based on Foata normal form. 0/21921 useless extension candidates. Maximal degree in co-relation 59611. Up to 28869 conditions per place. [2024-11-13 16:02:15,409 INFO L140 encePairwiseOnDemand]: 37/50 looper letters, 49 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2024-11-13 16:02:15,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 66 transitions, 261 flow [2024-11-13 16:02:15,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:02:15,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:02:15,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 110 transitions. [2024-11-13 16:02:15,430 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2024-11-13 16:02:15,433 INFO L175 Difference]: Start difference. First operand has 59 places, 46 transitions, 104 flow. Second operand 3 states and 110 transitions. [2024-11-13 16:02:15,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 66 transitions, 261 flow [2024-11-13 16:02:15,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 66 transitions, 254 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 16:02:15,458 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 147 flow [2024-11-13 16:02:15,460 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2024-11-13 16:02:15,467 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2024-11-13 16:02:15,468 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 147 flow [2024-11-13 16:02:15,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-11-13 16:02:15,468 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:02:15,472 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:02:15,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:02:15,472 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-13 16:02:15,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:02:15,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1753315245, now seen corresponding path program 1 times [2024-11-13 16:02:15,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:02:15,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127866494] [2024-11-13 16:02:15,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:02:15,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:02:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:15,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:02:15,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:02:15,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127866494] [2024-11-13 16:02:15,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127866494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:02:15,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:02:15,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:02:15,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429544532] [2024-11-13 16:02:15,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:02:15,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:02:15,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:02:15,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:02:15,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:02:15,865 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-13 16:02:15,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 147 flow. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-11-13 16:02:15,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:02:15,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-13 16:02:15,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:02:19,211 INFO L124 PetriNetUnfolderBase]: 12417/16801 cut-off events. [2024-11-13 16:02:19,211 INFO L125 PetriNetUnfolderBase]: For 1222/1222 co-relation queries the response was YES. [2024-11-13 16:02:19,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39638 conditions, 16801 events. 12417/16801 cut-off events. For 1222/1222 co-relation queries the response was YES. Maximal size of possible extension queue 900. Compared 100784 event pairs, 4275 based on Foata normal form. 0/14103 useless extension candidates. Maximal degree in co-relation 39627. Up to 16022 conditions per place. [2024-11-13 16:02:19,352 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 45 selfloop transitions, 5 changer transitions 0/62 dead transitions. [2024-11-13 16:02:19,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 62 transitions, 269 flow [2024-11-13 16:02:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:02:19,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 16:02:19,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 118 transitions. [2024-11-13 16:02:19,358 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.59 [2024-11-13 16:02:19,359 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 147 flow. Second operand 4 states and 118 transitions. [2024-11-13 16:02:19,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 62 transitions, 269 flow [2024-11-13 16:02:19,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 62 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:02:19,363 INFO L231 Difference]: Finished difference. Result has 56 places, 46 transitions, 136 flow [2024-11-13 16:02:19,363 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=136, PETRI_PLACES=56, PETRI_TRANSITIONS=46} [2024-11-13 16:02:19,364 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2024-11-13 16:02:19,364 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 46 transitions, 136 flow [2024-11-13 16:02:19,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-11-13 16:02:19,365 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:02:19,366 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:02:19,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:02:19,366 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-13 16:02:19,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:02:19,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1753315246, now seen corresponding path program 1 times [2024-11-13 16:02:19,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:02:19,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899782779] [2024-11-13 16:02:19,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:02:19,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:02:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:19,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:02:19,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:02:19,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899782779] [2024-11-13 16:02:19,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899782779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:02:19,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:02:19,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:02:19,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582342153] [2024-11-13 16:02:19,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:02:19,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:02:19,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:02:19,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:02:19,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:02:19,630 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-13 16:02:19,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 46 transitions, 136 flow. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-11-13 16:02:19,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:02:19,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-13 16:02:19,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:02:21,603 INFO L124 PetriNetUnfolderBase]: 8671/11899 cut-off events. [2024-11-13 16:02:21,604 INFO L125 PetriNetUnfolderBase]: For 1734/1734 co-relation queries the response was YES. [2024-11-13 16:02:21,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27467 conditions, 11899 events. 8671/11899 cut-off events. For 1734/1734 co-relation queries the response was YES. Maximal size of possible extension queue 585. Compared 69574 event pairs, 1503 based on Foata normal form. 0/10761 useless extension candidates. Maximal degree in co-relation 27455. Up to 8721 conditions per place. [2024-11-13 16:02:21,713 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 63 selfloop transitions, 9 changer transitions 0/84 dead transitions. [2024-11-13 16:02:21,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 84 transitions, 374 flow [2024-11-13 16:02:21,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:02:21,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 16:02:21,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 140 transitions. [2024-11-13 16:02:21,720 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7 [2024-11-13 16:02:21,720 INFO L175 Difference]: Start difference. First operand has 56 places, 46 transitions, 136 flow. Second operand 4 states and 140 transitions. [2024-11-13 16:02:21,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 84 transitions, 374 flow [2024-11-13 16:02:21,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 84 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:02:21,726 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 188 flow [2024-11-13 16:02:21,727 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=188, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2024-11-13 16:02:21,728 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2024-11-13 16:02:21,729 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 188 flow [2024-11-13 16:02:21,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-11-13 16:02:21,730 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:02:21,730 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:02:21,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:02:21,731 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-13 16:02:21,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:02:21,732 INFO L85 PathProgramCache]: Analyzing trace with hash 560275930, now seen corresponding path program 1 times [2024-11-13 16:02:21,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:02:21,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381277505] [2024-11-13 16:02:21,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:02:21,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:02:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:21,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:02:21,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:02:21,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381277505] [2024-11-13 16:02:21,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381277505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:02:21,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:02:21,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:02:21,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802611161] [2024-11-13 16:02:21,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:02:21,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:02:21,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:02:21,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:02:21,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:02:22,009 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-13 16:02:22,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 188 flow. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-11-13 16:02:22,010 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:02:22,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-13 16:02:22,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:02:23,571 INFO L124 PetriNetUnfolderBase]: 6607/9091 cut-off events. [2024-11-13 16:02:23,571 INFO L125 PetriNetUnfolderBase]: For 4308/4308 co-relation queries the response was YES. [2024-11-13 16:02:23,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23620 conditions, 9091 events. 6607/9091 cut-off events. For 4308/4308 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 52203 event pairs, 563 based on Foata normal form. 0/8817 useless extension candidates. Maximal degree in co-relation 23607. Up to 3176 conditions per place. [2024-11-13 16:02:23,648 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 75 selfloop transitions, 13 changer transitions 4/104 dead transitions. [2024-11-13 16:02:23,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 104 transitions, 508 flow [2024-11-13 16:02:23,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:02:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 16:02:23,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 176 transitions. [2024-11-13 16:02:23,650 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.704 [2024-11-13 16:02:23,650 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 188 flow. Second operand 5 states and 176 transitions. [2024-11-13 16:02:23,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 104 transitions, 508 flow [2024-11-13 16:02:23,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 104 transitions, 490 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-13 16:02:23,659 INFO L231 Difference]: Finished difference. Result has 61 places, 50 transitions, 212 flow [2024-11-13 16:02:23,659 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=212, PETRI_PLACES=61, PETRI_TRANSITIONS=50} [2024-11-13 16:02:23,660 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, 2 predicate places. [2024-11-13 16:02:23,660 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 212 flow [2024-11-13 16:02:23,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-11-13 16:02:23,660 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:02:23,661 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:02:23,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:02:23,661 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-13 16:02:23,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:02:23,661 INFO L85 PathProgramCache]: Analyzing trace with hash 68657497, now seen corresponding path program 1 times [2024-11-13 16:02:23,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:02:23,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633032111] [2024-11-13 16:02:23,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:02:23,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:02:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:24,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:02:24,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:02:24,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633032111] [2024-11-13 16:02:24,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633032111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:02:24,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:02:24,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:02:24,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507818839] [2024-11-13 16:02:24,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:02:24,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:02:24,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:02:24,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:02:24,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:02:24,128 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-13 16:02:24,129 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 212 flow. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-11-13 16:02:24,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:02:24,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-13 16:02:24,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:02:25,531 INFO L124 PetriNetUnfolderBase]: 5935/8179 cut-off events. [2024-11-13 16:02:25,532 INFO L125 PetriNetUnfolderBase]: For 7404/7404 co-relation queries the response was YES. [2024-11-13 16:02:25,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21945 conditions, 8179 events. 5935/8179 cut-off events. For 7404/7404 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 48104 event pairs, 443 based on Foata normal form. 160/8225 useless extension candidates. Maximal degree in co-relation 21931. Up to 3176 conditions per place. [2024-11-13 16:02:25,557 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 0 selfloop transitions, 0 changer transitions 96/96 dead transitions. [2024-11-13 16:02:25,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 96 transitions, 460 flow [2024-11-13 16:02:25,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:02:25,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:02:25,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 184 transitions. [2024-11-13 16:02:25,559 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6133333333333333 [2024-11-13 16:02:25,559 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 212 flow. Second operand 6 states and 184 transitions. [2024-11-13 16:02:25,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 96 transitions, 460 flow [2024-11-13 16:02:25,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 96 transitions, 405 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-13 16:02:25,677 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2024-11-13 16:02:25,677 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=56, PETRI_TRANSITIONS=0} [2024-11-13 16:02:25,678 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2024-11-13 16:02:25,678 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2024-11-13 16:02:25,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-11-13 16:02:25,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-13 16:02:25,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-13 16:02:25,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-13 16:02:25,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-13 16:02:25,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-13 16:02:25,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-13 16:02:25,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-13 16:02:25,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-13 16:02:25,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-13 16:02:25,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-13 16:02:25,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-13 16:02:25,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-13 16:02:25,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-13 16:02:25,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-13 16:02:25,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-13 16:02:25,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-13 16:02:25,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-13 16:02:25,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-13 16:02:25,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-13 16:02:25,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-13 16:02:25,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:02:25,688 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 16:02:25,695 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 16:02:25,696 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:02:25,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:02:25 BasicIcfg [2024-11-13 16:02:25,705 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:02:25,706 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:02:25,706 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:02:25,706 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:02:25,707 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:08" (3/4) ... [2024-11-13 16:02:25,710 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:02:25,713 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-13 16:02:25,713 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-13 16:02:25,714 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-13 16:02:25,714 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-13 16:02:25,721 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2024-11-13 16:02:25,723 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-13 16:02:25,723 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 16:02:25,723 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:02:25,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:02:25,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 16:02:25,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:02:25,833 INFO L158 Benchmark]: Toolchain (without parser) took 20212.37ms. Allocated memory was 142.6MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 98.7MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 697.1MB. Max. memory is 16.1GB. [2024-11-13 16:02:25,834 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:02:25,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 831.22ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 74.6MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:02:25,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.02ms. Allocated memory is still 142.6MB. Free memory was 74.6MB in the beginning and 72.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:02:25,836 INFO L158 Benchmark]: Boogie Preprocessor took 92.70ms. Allocated memory is still 142.6MB. Free memory was 72.4MB in the beginning and 68.7MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:02:25,837 INFO L158 Benchmark]: RCFGBuilder took 1394.08ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 76.8MB in the end (delta: -8.1MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-11-13 16:02:25,837 INFO L158 Benchmark]: TraceAbstraction took 17683.24ms. Allocated memory was 142.6MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 76.8MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-13 16:02:25,838 INFO L158 Benchmark]: Witness Printer took 126.33ms. Allocated memory is still 2.9GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:02:25,840 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 831.22ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 74.6MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.02ms. Allocated memory is still 142.6MB. Free memory was 74.6MB in the beginning and 72.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 92.70ms. Allocated memory is still 142.6MB. Free memory was 72.4MB in the beginning and 68.7MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1394.08ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 76.8MB in the end (delta: -8.1MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * TraceAbstraction took 17683.24ms. Allocated memory was 142.6MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 76.8MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 126.33ms. Allocated memory is still 2.9GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 91 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 17.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 299 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 289 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 459 IncrementalHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 2 mSDtfsCounter, 459 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=212occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 237 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 16:02:25,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1534e31b-bbf9-4fd6-a29d-7d39d39cd25e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE