./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix009.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix009.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya --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 f715026b68e9c0bb30969d2f1713e0cf615763357ccfdf3c82e016d450119958 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:26:45,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:26:45,357 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 01:26:45,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:26:45,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:26:45,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:26:45,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:26:45,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:26:45,388 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:26:45,389 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:26:45,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:26:45,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:26:45,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:26:45,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:26:45,392 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:26:45,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:26:45,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:26:45,393 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:26:45,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:26:45,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:26:45,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:26:45,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:26:45,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:26:45,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:26:45,397 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 01:26:45,398 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:26:45,398 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:26:45,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:26:45,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:26:45,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:26:45,400 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:26:45,400 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:26:45,400 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:26:45,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:26:45,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:26:45,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:26:45,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:26:45,401 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:26:45,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:26:45,402 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:26:45,402 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:26:45,402 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:26:45,402 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:26:45,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:26:45,403 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_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f715026b68e9c0bb30969d2f1713e0cf615763357ccfdf3c82e016d450119958 [2023-11-29 01:26:45,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:26:45,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:26:45,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:26:45,662 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:26:45,662 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:26:45,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread-wmm/mix009.opt.i [2023-11-29 01:26:48,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:26:48,692 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:26:48,692 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/sv-benchmarks/c/pthread-wmm/mix009.opt.i [2023-11-29 01:26:48,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/data/a72a18614/2868bf6cd0f34633a7cffca1160a4482/FLAGcf7bc6a58 [2023-11-29 01:26:48,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/data/a72a18614/2868bf6cd0f34633a7cffca1160a4482 [2023-11-29 01:26:48,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:26:48,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:26:48,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:26:48,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:26:48,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:26:48,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:26:48" (1/1) ... [2023-11-29 01:26:48,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3727ad7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:48, skipping insertion in model container [2023-11-29 01:26:48,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:26:48" (1/1) ... [2023-11-29 01:26:48,785 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:26:49,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:26:49,114 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:26:49,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:26:49,200 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:26:49,200 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:26:49,208 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:26:49,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:49 WrapperNode [2023-11-29 01:26:49,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:26:49,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:26:49,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:26:49,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:26:49,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:49" (1/1) ... [2023-11-29 01:26:49,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:49" (1/1) ... [2023-11-29 01:26:49,262 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 143 [2023-11-29 01:26:49,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:26:49,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:26:49,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:26:49,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:26:49,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:49" (1/1) ... [2023-11-29 01:26:49,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:49" (1/1) ... [2023-11-29 01:26:49,280 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:49" (1/1) ... [2023-11-29 01:26:49,298 INFO L175 MemorySlicer]: Split 4 memory accesses to 3 slices as follows [2, 1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2023-11-29 01:26:49,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:49" (1/1) ... [2023-11-29 01:26:49,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:49" (1/1) ... [2023-11-29 01:26:49,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:49" (1/1) ... [2023-11-29 01:26:49,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:49" (1/1) ... [2023-11-29 01:26:49,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:49" (1/1) ... [2023-11-29 01:26:49,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:49" (1/1) ... [2023-11-29 01:26:49,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:26:49,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:26:49,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:26:49,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:26:49,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:49" (1/1) ... [2023-11-29 01:26:49,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:26:49,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:26:49,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:26:49,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:26:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:26:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:26:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 01:26:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 01:26:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:26:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:26:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:26:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-29 01:26:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-29 01:26:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-29 01:26:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-29 01:26:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:26:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:26:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 01:26:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 01:26:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:26:49,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:26:49,386 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 01:26:49,506 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:26:49,508 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:26:49,777 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:26:50,011 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:26:50,011 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 01:26:50,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:26:50 BoogieIcfgContainer [2023-11-29 01:26:50,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:26:50,015 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:26:50,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:26:50,019 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:26:50,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:26:48" (1/3) ... [2023-11-29 01:26:50,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb68857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:26:50, skipping insertion in model container [2023-11-29 01:26:50,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:26:49" (2/3) ... [2023-11-29 01:26:50,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb68857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:26:50, skipping insertion in model container [2023-11-29 01:26:50,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:26:50" (3/3) ... [2023-11-29 01:26:50,022 INFO L112 eAbstractionObserver]: Analyzing ICFG mix009.opt.i [2023-11-29 01:26:50,032 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 01:26:50,044 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:26:50,044 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-29 01:26:50,045 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 01:26:50,094 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 01:26:50,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 31 transitions, 70 flow [2023-11-29 01:26:50,159 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2023-11-29 01:26:50,160 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:26:50,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 29 events. 0/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 60 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-29 01:26:50,162 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 31 transitions, 70 flow [2023-11-29 01:26:50,166 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 29 transitions, 64 flow [2023-11-29 01:26:50,176 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:26:50,183 INFO L357 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, mHoare=true, 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;@2f314011, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:26:50,184 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-29 01:26:50,195 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 01:26:50,195 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2023-11-29 01:26:50,195 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:26:50,195 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:50,196 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:26:50,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-29 01:26:50,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:50,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1850941343, now seen corresponding path program 1 times [2023-11-29 01:26:50,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:50,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715110807] [2023-11-29 01:26:50,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:50,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:50,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:50,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715110807] [2023-11-29 01:26:50,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715110807] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:50,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:50,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 01:26:50,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097174521] [2023-11-29 01:26:50,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:50,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:50,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:50,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:50,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:50,572 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 31 [2023-11-29 01:26:50,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 29 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2023-11-29 01:26:50,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:50,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 31 [2023-11-29 01:26:50,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:50,786 INFO L124 PetriNetUnfolderBase]: 264/495 cut-off events. [2023-11-29 01:26:50,786 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 01:26:50,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 961 conditions, 495 events. 264/495 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2729 event pairs, 264 based on Foata normal form. 0/428 useless extension candidates. Maximal degree in co-relation 951. Up to 450 conditions per place. [2023-11-29 01:26:50,796 INFO L140 encePairwiseOnDemand]: 28/31 looper letters, 17 selfloop transitions, 1 changer transitions 0/27 dead transitions. [2023-11-29 01:26:50,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 27 transitions, 96 flow [2023-11-29 01:26:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:50,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:50,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2023-11-29 01:26:50,809 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5698924731182796 [2023-11-29 01:26:50,810 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 53 transitions. [2023-11-29 01:26:50,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 53 transitions. [2023-11-29 01:26:50,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:50,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 53 transitions. [2023-11-29 01:26:50,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-11-29 01:26:50,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 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) [2023-11-29 01:26:50,820 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 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) [2023-11-29 01:26:50,822 INFO L175 Difference]: Start difference. First operand has 36 places, 29 transitions, 64 flow. Second operand 3 states and 53 transitions. [2023-11-29 01:26:50,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 27 transitions, 96 flow [2023-11-29 01:26:50,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 27 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:50,827 INFO L231 Difference]: Finished difference. Result has 34 places, 27 transitions, 60 flow [2023-11-29 01:26:50,830 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=34, PETRI_TRANSITIONS=27} [2023-11-29 01:26:50,833 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -2 predicate places. [2023-11-29 01:26:50,834 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 27 transitions, 60 flow [2023-11-29 01:26:50,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2023-11-29 01:26:50,834 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:50,834 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:26:50,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:26:50,835 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-29 01:26:50,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:50,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1850941342, now seen corresponding path program 1 times [2023-11-29 01:26:50,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:50,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079107052] [2023-11-29 01:26:50,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:50,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:50,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:50,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079107052] [2023-11-29 01:26:50,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079107052] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:50,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:50,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 01:26:50,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290948060] [2023-11-29 01:26:50,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:50,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:26:50,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:50,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:26:50,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:26:50,930 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 31 [2023-11-29 01:26:50,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 27 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2023-11-29 01:26:50,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:50,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 31 [2023-11-29 01:26:50,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:51,095 INFO L124 PetriNetUnfolderBase]: 199/373 cut-off events. [2023-11-29 01:26:51,097 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:26:51,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 735 conditions, 373 events. 199/373 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1733 event pairs, 65 based on Foata normal form. 0/348 useless extension candidates. Maximal degree in co-relation 729. Up to 259 conditions per place. [2023-11-29 01:26:51,104 INFO L140 encePairwiseOnDemand]: 26/31 looper letters, 25 selfloop transitions, 3 changer transitions 2/39 dead transitions. [2023-11-29 01:26:51,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 39 transitions, 146 flow [2023-11-29 01:26:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:26:51,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:26:51,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 65 transitions. [2023-11-29 01:26:51,109 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6989247311827957 [2023-11-29 01:26:51,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 65 transitions. [2023-11-29 01:26:51,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 65 transitions. [2023-11-29 01:26:51,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:51,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 65 transitions. [2023-11-29 01:26:51,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2023-11-29 01:26:51,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 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) [2023-11-29 01:26:51,113 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 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) [2023-11-29 01:26:51,113 INFO L175 Difference]: Start difference. First operand has 34 places, 27 transitions, 60 flow. Second operand 3 states and 65 transitions. [2023-11-29 01:26:51,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 39 transitions, 146 flow [2023-11-29 01:26:51,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 39 transitions, 145 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:26:51,115 INFO L231 Difference]: Finished difference. Result has 36 places, 27 transitions, 72 flow [2023-11-29 01:26:51,115 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=59, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=36, PETRI_TRANSITIONS=27} [2023-11-29 01:26:51,116 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, 0 predicate places. [2023-11-29 01:26:51,116 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 27 transitions, 72 flow [2023-11-29 01:26:51,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2023-11-29 01:26:51,117 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:26:51,117 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:26:51,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:26:51,117 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-29 01:26:51,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:26:51,118 INFO L85 PathProgramCache]: Analyzing trace with hash -518303920, now seen corresponding path program 1 times [2023-11-29 01:26:51,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:26:51,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841949751] [2023-11-29 01:26:51,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:26:51,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:26:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:26:51,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:26:51,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:26:51,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841949751] [2023-11-29 01:26:51,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841949751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:26:51,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:26:51,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:26:51,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526526467] [2023-11-29 01:26:51,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:26:51,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:26:51,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:26:51,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:26:51,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:26:51,252 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 31 [2023-11-29 01:26:51,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2023-11-29 01:26:51,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:26:51,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 31 [2023-11-29 01:26:51,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:26:51,366 INFO L124 PetriNetUnfolderBase]: 137/271 cut-off events. [2023-11-29 01:26:51,366 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2023-11-29 01:26:51,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 597 conditions, 271 events. 137/271 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1293 event pairs, 45 based on Foata normal form. 20/286 useless extension candidates. Maximal degree in co-relation 589. Up to 156 conditions per place. [2023-11-29 01:26:51,368 INFO L140 encePairwiseOnDemand]: 26/31 looper letters, 0 selfloop transitions, 0 changer transitions 35/35 dead transitions. [2023-11-29 01:26:51,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 35 transitions, 138 flow [2023-11-29 01:26:51,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:26:51,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-29 01:26:51,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 72 transitions. [2023-11-29 01:26:51,369 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5806451612903226 [2023-11-29 01:26:51,370 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 72 transitions. [2023-11-29 01:26:51,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 72 transitions. [2023-11-29 01:26:51,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:26:51,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 72 transitions. [2023-11-29 01:26:51,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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) [2023-11-29 01:26:51,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 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) [2023-11-29 01:26:51,372 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 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) [2023-11-29 01:26:51,372 INFO L175 Difference]: Start difference. First operand has 36 places, 27 transitions, 72 flow. Second operand 4 states and 72 transitions. [2023-11-29 01:26:51,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 35 transitions, 138 flow [2023-11-29 01:26:51,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 35 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:26:51,373 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2023-11-29 01:26:51,374 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2023-11-29 01:26:51,374 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -1 predicate places. [2023-11-29 01:26:51,375 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow [2023-11-29 01:26:51,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2023-11-29 01:26:51,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-29 01:26:51,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-29 01:26:51,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-29 01:26:51,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-29 01:26:51,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2023-11-29 01:26:51,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2023-11-29 01:26:51,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-29 01:26:51,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-29 01:26:51,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-29 01:26:51,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-29 01:26:51,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:26:51,380 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 01:26:51,386 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 01:26:51,386 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:26:51,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:26:51 BasicIcfg [2023-11-29 01:26:51,391 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:26:51,392 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:26:51,392 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:26:51,392 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:26:51,393 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:26:50" (3/4) ... [2023-11-29 01:26:51,394 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 01:26:51,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-29 01:26:51,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-29 01:26:51,402 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2023-11-29 01:26:51,403 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-29 01:26:51,403 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 01:26:51,403 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 01:26:51,492 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:26:51,493 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 01:26:51,493 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:26:51,494 INFO L158 Benchmark]: Toolchain (without parser) took 2767.16ms. Allocated memory was 176.2MB in the beginning and 276.8MB in the end (delta: 100.7MB). Free memory was 139.7MB in the beginning and 170.9MB in the end (delta: -31.2MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2023-11-29 01:26:51,494 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory was 137.5MB in the beginning and 137.5MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:26:51,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.34ms. Allocated memory is still 176.2MB. Free memory was 139.7MB in the beginning and 116.1MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 01:26:51,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.32ms. Allocated memory is still 176.2MB. Free memory was 116.1MB in the beginning and 113.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:26:51,495 INFO L158 Benchmark]: Boogie Preprocessor took 56.16ms. Allocated memory is still 176.2MB. Free memory was 113.3MB in the beginning and 109.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:26:51,496 INFO L158 Benchmark]: RCFGBuilder took 692.11ms. Allocated memory was 176.2MB in the beginning and 276.8MB in the end (delta: 100.7MB). Free memory was 109.8MB in the beginning and 227.5MB in the end (delta: -117.7MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2023-11-29 01:26:51,496 INFO L158 Benchmark]: TraceAbstraction took 1375.98ms. Allocated memory is still 276.8MB. Free memory was 227.5MB in the beginning and 176.2MB in the end (delta: 51.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-29 01:26:51,496 INFO L158 Benchmark]: Witness Printer took 101.02ms. Allocated memory is still 276.8MB. Free memory was 176.2MB in the beginning and 170.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 01:26:51,498 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory was 137.5MB in the beginning and 137.5MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.34ms. Allocated memory is still 176.2MB. Free memory was 139.7MB in the beginning and 116.1MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.32ms. Allocated memory is still 176.2MB. Free memory was 116.1MB in the beginning and 113.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.16ms. Allocated memory is still 176.2MB. Free memory was 113.3MB in the beginning and 109.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 692.11ms. Allocated memory was 176.2MB in the beginning and 276.8MB in the end (delta: 100.7MB). Free memory was 109.8MB in the beginning and 227.5MB in the end (delta: -117.7MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1375.98ms. Allocated memory is still 276.8MB. Free memory was 227.5MB in the beginning and 176.2MB in the end (delta: 51.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 101.02ms. Allocated memory is still 276.8MB. Free memory was 176.2MB in the beginning and 170.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 772]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 772]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: 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 5 procedures, 55 locations, 10 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: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 2 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=2, InterpolantAutomatonStates: 10, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 01:26:51,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee9ac397-2acb-4817-a7c2-da7d618618d1/bin/uautomizer-verify-BQ2R08f2Ya/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