./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/test-semi1.wvr.c --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_5d902bc8-b0d6-4e78-b27c-eb10b6257215/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/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_5d902bc8-b0d6-4e78-b27c-eb10b6257215/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/test-semi1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/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_5d902bc8-b0d6-4e78-b27c-eb10b6257215/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 9a7d6fb4818c771ee6598f9c9b7d2b5b977c749bbed873b12531900cde741cb6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:41:07,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:41:07,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-28 23:41:07,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:41:07,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:41:07,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:41:07,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:41:07,396 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:41:07,397 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:41:07,398 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:41:07,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:41:07,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:41:07,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:41:07,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:41:07,400 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:41:07,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:41:07,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:41:07,402 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 23:41:07,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:41:07,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 23:41:07,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:41:07,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:41:07,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:41:07,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:41:07,407 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-28 23:41:07,407 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 23:41:07,408 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 23:41:07,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:41:07,409 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:41:07,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:41:07,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:41:07,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:41:07,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:41:07,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:41:07,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:41:07,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:41:07,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:41:07,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:41:07,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 23:41:07,412 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:41:07,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:41:07,413 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:41:07,413 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:41:07,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:41:07,413 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_5d902bc8-b0d6-4e78-b27c-eb10b6257215/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a7d6fb4818c771ee6598f9c9b7d2b5b977c749bbed873b12531900cde741cb6 [2023-11-28 23:41:07,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:41:07,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:41:07,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:41:07,644 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:41:07,645 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:41:07,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/test-semi1.wvr.c [2023-11-28 23:41:10,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:41:10,617 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:41:10,617 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/sv-benchmarks/c/weaver/test-semi1.wvr.c [2023-11-28 23:41:10,624 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/bin/uautomizer-verify-BQ2R08f2Ya/data/147b5c012/3fc745ca9de64ae788d02e20f723ccac/FLAGe57525b16 [2023-11-28 23:41:10,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/bin/uautomizer-verify-BQ2R08f2Ya/data/147b5c012/3fc745ca9de64ae788d02e20f723ccac [2023-11-28 23:41:10,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:41:10,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:41:10,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:41:10,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:41:10,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:41:10,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:41:10" (1/1) ... [2023-11-28 23:41:10,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5409a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10, skipping insertion in model container [2023-11-28 23:41:10,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:41:10" (1/1) ... [2023-11-28 23:41:10,673 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:41:10,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:41:10,858 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:41:10,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:41:10,885 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:41:10,885 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:41:10,893 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:41:10,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10 WrapperNode [2023-11-28 23:41:10,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:41:10,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:41:10,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:41:10,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:41:10,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10" (1/1) ... [2023-11-28 23:41:10,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10" (1/1) ... [2023-11-28 23:41:10,932 INFO L138 Inliner]: procedures = 21, calls = 27, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 77 [2023-11-28 23:41:10,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:41:10,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:41:10,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:41:10,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:41:10,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10" (1/1) ... [2023-11-28 23:41:10,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10" (1/1) ... [2023-11-28 23:41:10,946 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10" (1/1) ... [2023-11-28 23:41:10,960 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 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]. [2023-11-28 23:41:10,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10" (1/1) ... [2023-11-28 23:41:10,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10" (1/1) ... [2023-11-28 23:41:10,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10" (1/1) ... [2023-11-28 23:41:10,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10" (1/1) ... [2023-11-28 23:41:10,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10" (1/1) ... [2023-11-28 23:41:10,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10" (1/1) ... [2023-11-28 23:41:10,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:41:10,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:41:10,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:41:10,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:41:10,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10" (1/1) ... [2023-11-28 23:41:10,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:41:10,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:41:11,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:41:11,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:41:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:41:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-28 23:41:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-28 23:41:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-28 23:41:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-28 23:41:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 23:41:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-28 23:41:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-28 23:41:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 23:41:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-28 23:41:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-28 23:41:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-28 23:41:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-28 23:41:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-28 23:41:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:41:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:41:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-28 23:41:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-28 23:41:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-28 23:41:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 23:41:11,036 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-28 23:41:11,135 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:41:11,137 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:41:11,300 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:41:11,444 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:41:11,444 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-28 23:41:11,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:41:11 BoogieIcfgContainer [2023-11-28 23:41:11,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:41:11,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:41:11,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:41:11,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:41:11,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:41:10" (1/3) ... [2023-11-28 23:41:11,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db13fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:41:11, skipping insertion in model container [2023-11-28 23:41:11,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:10" (2/3) ... [2023-11-28 23:41:11,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db13fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:41:11, skipping insertion in model container [2023-11-28 23:41:11,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:41:11" (3/3) ... [2023-11-28 23:41:11,453 INFO L112 eAbstractionObserver]: Analyzing ICFG test-semi1.wvr.c [2023-11-28 23:41:11,460 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-28 23:41:11,468 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:41:11,468 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-28 23:41:11,468 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-28 23:41:11,513 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-28 23:41:11,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 21 transitions, 56 flow [2023-11-28 23:41:11,563 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2023-11-28 23:41:11,563 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-28 23:41:11,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 19 events. 0/19 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 29 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-28 23:41:11,565 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 21 transitions, 56 flow [2023-11-28 23:41:11,569 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 17 transitions, 43 flow [2023-11-28 23:41:11,579 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:41:11,586 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;@30a65bb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:41:11,586 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-28 23:41:11,591 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-28 23:41:11,591 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2023-11-28 23:41:11,591 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-28 23:41:11,591 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:41:11,592 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-28 23:41:11,593 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-28 23:41:11,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:41:11,597 INFO L85 PathProgramCache]: Analyzing trace with hash 7775092, now seen corresponding path program 1 times [2023-11-28 23:41:11,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:41:11,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504329574] [2023-11-28 23:41:11,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:41:11,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:41:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:41:11,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:41:11,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:41:11,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504329574] [2023-11-28 23:41:11,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504329574] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:41:11,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:41:11,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-28 23:41:11,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87807963] [2023-11-28 23:41:11,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:41:11,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:41:11,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:41:11,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:41:11,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:41:11,843 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 21 [2023-11-28 23:41:11,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 17 transitions, 43 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-28 23:41:11,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:41:11,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 21 [2023-11-28 23:41:11,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:41:11,906 INFO L124 PetriNetUnfolderBase]: 45/98 cut-off events. [2023-11-28 23:41:11,906 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-28 23:41:11,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 98 events. 45/98 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 351 event pairs, 45 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 168. Up to 94 conditions per place. [2023-11-28 23:41:11,910 INFO L140 encePairwiseOnDemand]: 18/21 looper letters, 12 selfloop transitions, 1 changer transitions 0/15 dead transitions. [2023-11-28 23:41:11,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 15 transitions, 65 flow [2023-11-28 23:41:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:41:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 23:41:11,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2023-11-28 23:41:11,923 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2023-11-28 23:41:11,923 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 27 transitions. [2023-11-28 23:41:11,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 27 transitions. [2023-11-28 23:41:11,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:41:11,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 27 transitions. [2023-11-28 23:41:11,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2023-11-28 23:41:11,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2023-11-28 23:41:11,932 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2023-11-28 23:41:11,933 INFO L175 Difference]: Start difference. First operand has 24 places, 17 transitions, 43 flow. Second operand 3 states and 27 transitions. [2023-11-28 23:41:11,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 15 transitions, 65 flow [2023-11-28 23:41:11,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 15 transitions, 60 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-28 23:41:11,938 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 36 flow [2023-11-28 23:41:11,940 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=36, PETRI_PLACES=21, PETRI_TRANSITIONS=15} [2023-11-28 23:41:11,943 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, -3 predicate places. [2023-11-28 23:41:11,944 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 36 flow [2023-11-28 23:41:11,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-28 23:41:11,944 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:41:11,944 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-28 23:41:11,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 23:41:11,945 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-28 23:41:11,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:41:11,945 INFO L85 PathProgramCache]: Analyzing trace with hash 7775093, now seen corresponding path program 1 times [2023-11-28 23:41:11,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:41:11,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63756165] [2023-11-28 23:41:11,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:41:11,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:41:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:41:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:41:12,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:41:12,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63756165] [2023-11-28 23:41:12,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63756165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:41:12,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:41:12,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-28 23:41:12,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433829809] [2023-11-28 23:41:12,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:41:12,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:41:12,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:41:12,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:41:12,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:41:12,029 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 21 [2023-11-28 23:41:12,029 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 15 transitions, 36 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-28 23:41:12,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:41:12,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 21 [2023-11-28 23:41:12,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:41:12,079 INFO L124 PetriNetUnfolderBase]: 30/69 cut-off events. [2023-11-28 23:41:12,079 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-28 23:41:12,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 69 events. 30/69 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 194 event pairs, 6 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 141. Up to 57 conditions per place. [2023-11-28 23:41:12,080 INFO L140 encePairwiseOnDemand]: 17/21 looper letters, 11 selfloop transitions, 2 changer transitions 4/19 dead transitions. [2023-11-28 23:41:12,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 19 transitions, 80 flow [2023-11-28 23:41:12,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:41:12,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 23:41:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2023-11-28 23:41:12,082 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49206349206349204 [2023-11-28 23:41:12,082 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 31 transitions. [2023-11-28 23:41:12,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 31 transitions. [2023-11-28 23:41:12,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:41:12,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 31 transitions. [2023-11-28 23:41:12,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-11-28 23:41:12,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2023-11-28 23:41:12,084 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2023-11-28 23:41:12,084 INFO L175 Difference]: Start difference. First operand has 21 places, 15 transitions, 36 flow. Second operand 3 states and 31 transitions. [2023-11-28 23:41:12,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 19 transitions, 80 flow [2023-11-28 23:41:12,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 19 transitions, 79 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 23:41:12,085 INFO L231 Difference]: Finished difference. Result has 22 places, 12 transitions, 37 flow [2023-11-28 23:41:12,086 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=33, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=37, PETRI_PLACES=22, PETRI_TRANSITIONS=12} [2023-11-28 23:41:12,086 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, -2 predicate places. [2023-11-28 23:41:12,087 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 12 transitions, 37 flow [2023-11-28 23:41:12,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-28 23:41:12,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:41:12,087 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:41:12,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 23:41:12,087 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-28 23:41:12,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:41:12,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1250253006, now seen corresponding path program 1 times [2023-11-28 23:41:12,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:41:12,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127550494] [2023-11-28 23:41:12,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:41:12,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:41:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:41:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:41:12,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:41:12,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127550494] [2023-11-28 23:41:12,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127550494] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:41:12,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:41:12,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:41:12,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053282925] [2023-11-28 23:41:12,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:41:12,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:41:12,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:41:12,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:41:12,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:41:12,191 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 21 [2023-11-28 23:41:12,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 12 transitions, 37 flow. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2023-11-28 23:41:12,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:41:12,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 21 [2023-11-28 23:41:12,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:41:12,222 INFO L124 PetriNetUnfolderBase]: 6/23 cut-off events. [2023-11-28 23:41:12,222 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-28 23:41:12,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 23 events. 6/23 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 33 event pairs, 0 based on Foata normal form. 6/28 useless extension candidates. Maximal degree in co-relation 57. Up to 16 conditions per place. [2023-11-28 23:41:12,222 INFO L140 encePairwiseOnDemand]: 18/21 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions. [2023-11-28 23:41:12,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 14 transitions, 65 flow [2023-11-28 23:41:12,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:41:12,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-28 23:41:12,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2023-11-28 23:41:12,224 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34523809523809523 [2023-11-28 23:41:12,224 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 29 transitions. [2023-11-28 23:41:12,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 29 transitions. [2023-11-28 23:41:12,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:41:12,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 29 transitions. [2023-11-28 23:41:12,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2023-11-28 23:41:12,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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) [2023-11-28 23:41:12,226 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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) [2023-11-28 23:41:12,226 INFO L175 Difference]: Start difference. First operand has 22 places, 12 transitions, 37 flow. Second operand 4 states and 29 transitions. [2023-11-28 23:41:12,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 14 transitions, 65 flow [2023-11-28 23:41:12,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 14 transitions, 59 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-28 23:41:12,227 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2023-11-28 23:41:12,227 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=27, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2023-11-28 23:41:12,228 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, -5 predicate places. [2023-11-28 23:41:12,228 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2023-11-28 23:41:12,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2023-11-28 23:41:12,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-28 23:41:12,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-28 23:41:12,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-28 23:41:12,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-28 23:41:12,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2023-11-28 23:41:12,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2023-11-28 23:41:12,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-28 23:41:12,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-28 23:41:12,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-28 23:41:12,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-28 23:41:12,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-28 23:41:12,233 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-28 23:41:12,238 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-28 23:41:12,238 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 23:41:12,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:41:12 BasicIcfg [2023-11-28 23:41:12,242 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 23:41:12,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 23:41:12,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 23:41:12,243 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 23:41:12,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:41:11" (3/4) ... [2023-11-28 23:41:12,245 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-28 23:41:12,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-28 23:41:12,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-28 23:41:12,252 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2023-11-28 23:41:12,252 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-28 23:41:12,253 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-28 23:41:12,253 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-28 23:41:12,327 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-28 23:41:12,328 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-28 23:41:12,328 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 23:41:12,329 INFO L158 Benchmark]: Toolchain (without parser) took 1686.61ms. Allocated memory is still 188.7MB. Free memory was 151.8MB in the beginning and 98.8MB in the end (delta: 52.9MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2023-11-28 23:41:12,329 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:41:12,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.39ms. Allocated memory is still 188.7MB. Free memory was 151.2MB in the beginning and 140.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-28 23:41:12,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.48ms. Allocated memory is still 188.7MB. Free memory was 140.6MB in the beginning and 139.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:41:12,330 INFO L158 Benchmark]: Boogie Preprocessor took 40.44ms. Allocated memory is still 188.7MB. Free memory was 139.2MB in the beginning and 137.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:41:12,331 INFO L158 Benchmark]: RCFGBuilder took 470.93ms. Allocated memory is still 188.7MB. Free memory was 137.1MB in the beginning and 110.4MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-28 23:41:12,331 INFO L158 Benchmark]: TraceAbstraction took 794.85ms. Allocated memory is still 188.7MB. Free memory was 109.8MB in the beginning and 103.0MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-28 23:41:12,332 INFO L158 Benchmark]: Witness Printer took 85.12ms. Allocated memory is still 188.7MB. Free memory was 103.0MB in the beginning and 98.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-28 23:41:12,334 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.39ms. Allocated memory is still 188.7MB. Free memory was 151.2MB in the beginning and 140.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.48ms. Allocated memory is still 188.7MB. Free memory was 140.6MB in the beginning and 139.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.44ms. Allocated memory is still 188.7MB. Free memory was 139.2MB in the beginning and 137.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 470.93ms. Allocated memory is still 188.7MB. Free memory was 137.1MB in the beginning and 110.4MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 794.85ms. Allocated memory is still 188.7MB. Free memory was 109.8MB in the beginning and 103.0MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Witness Printer took 85.12ms. Allocated memory is still 188.7MB. Free memory was 103.0MB in the beginning and 98.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: 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, 36 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: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 51 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=43occurred in iteration=0, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 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! [2023-11-28 23:41:12,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d902bc8-b0d6-4e78-b27c-eb10b6257215/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