./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:14:29,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:14:29,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:14:29,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:14:29,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:14:29,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:14:29,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:14:29,811 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:14:29,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:14:29,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:14:29,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:14:29,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:14:29,815 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:14:29,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:14:29,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:14:29,817 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:14:29,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:14:29,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:14:29,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:14:29,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:14:29,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:14:29,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:14:29,822 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:14:29,822 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:14:29,823 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:14:29,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:14:29,824 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:14:29,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:14:29,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:14:29,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:14:29,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:14:29,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:14:29,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:14:29,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:14:29,828 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:14:29,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:14:29,829 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:14:29,829 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:14:29,829 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:14:29,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:14:29,830 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:14:29,830 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_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 [2023-11-06 22:14:30,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:14:30,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:14:30,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:14:30,162 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:14:30,163 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:14:30,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i [2023-11-06 22:14:33,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:14:34,071 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:14:34,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i [2023-11-06 22:14:34,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/data/3d3c74af2/2e30894654a5407ba841b695fcf4baa5/FLAG76bb8d261 [2023-11-06 22:14:34,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/data/3d3c74af2/2e30894654a5407ba841b695fcf4baa5 [2023-11-06 22:14:34,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:14:34,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:14:34,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:14:34,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:14:34,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:14:34,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:14:34" (1/1) ... [2023-11-06 22:14:34,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691a0adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:34, skipping insertion in model container [2023-11-06 22:14:34,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:14:34" (1/1) ... [2023-11-06 22:14:34,204 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:14:34,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:14:34,901 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:14:34,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:14:35,127 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:14:35,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:35 WrapperNode [2023-11-06 22:14:35,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:14:35,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:14:35,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:14:35,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:14:35,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:35" (1/1) ... [2023-11-06 22:14:35,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:35" (1/1) ... [2023-11-06 22:14:35,201 INFO L138 Inliner]: procedures = 263, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2023-11-06 22:14:35,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:14:35,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:14:35,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:14:35,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:14:35,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:35" (1/1) ... [2023-11-06 22:14:35,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:35" (1/1) ... [2023-11-06 22:14:35,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:35" (1/1) ... [2023-11-06 22:14:35,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:35" (1/1) ... [2023-11-06 22:14:35,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:35" (1/1) ... [2023-11-06 22:14:35,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:35" (1/1) ... [2023-11-06 22:14:35,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:35" (1/1) ... [2023-11-06 22:14:35,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:35" (1/1) ... [2023-11-06 22:14:35,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:14:35,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:14:35,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:14:35,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:14:35,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:35" (1/1) ... [2023-11-06 22:14:35,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:14:35,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:35,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:35,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:14:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:14:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:14:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:14:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:14:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:14:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:14:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-06 22:14:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-06 22:14:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:14:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:14:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:14:35,383 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:14:35,631 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:14:35,633 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:14:35,898 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:14:35,911 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:14:35,911 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:14:35,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:14:35 BoogieIcfgContainer [2023-11-06 22:14:35,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:14:35,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:14:35,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:14:35,921 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:14:35,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:14:34" (1/3) ... [2023-11-06 22:14:35,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60067afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:14:35, skipping insertion in model container [2023-11-06 22:14:35,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:35" (2/3) ... [2023-11-06 22:14:35,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60067afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:14:35, skipping insertion in model container [2023-11-06 22:14:35,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:14:35" (3/3) ... [2023-11-06 22:14:35,927 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_15-funarg_nr.i [2023-11-06 22:14:35,939 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:14:35,952 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:14:35,953 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-06 22:14:35,954 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:14:36,060 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-06 22:14:36,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 79 transitions, 165 flow [2023-11-06 22:14:36,159 INFO L124 PetriNetUnfolderBase]: 0/78 cut-off events. [2023-11-06 22:14:36,159 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:14:36,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 78 events. 0/78 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-06 22:14:36,164 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 79 transitions, 165 flow [2023-11-06 22:14:36,169 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 70 transitions, 143 flow [2023-11-06 22:14:36,174 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:14:36,187 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 70 transitions, 143 flow [2023-11-06 22:14:36,191 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 70 transitions, 143 flow [2023-11-06 22:14:36,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 70 transitions, 143 flow [2023-11-06 22:14:36,218 INFO L124 PetriNetUnfolderBase]: 0/70 cut-off events. [2023-11-06 22:14:36,219 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:14:36,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 70 events. 0/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-06 22:14:36,221 INFO L119 LiptonReduction]: Number of co-enabled transitions 528 [2023-11-06 22:14:39,809 INFO L134 LiptonReduction]: Checked pairs total: 994 [2023-11-06 22:14:39,809 INFO L136 LiptonReduction]: Total number of compositions: 65 [2023-11-06 22:14:39,830 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:14:39,838 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=LoopsAndPotentialCycles, 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;@387000c6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:14:39,839 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-06 22:14:39,843 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:14:39,843 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-11-06 22:14:39,843 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:14:39,844 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:14:39,844 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-06 22:14:39,845 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-06 22:14:39,852 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:39,852 INFO L85 PathProgramCache]: Analyzing trace with hash 263070, now seen corresponding path program 1 times [2023-11-06 22:14:39,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:39,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846301281] [2023-11-06 22:14:39,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:39,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:40,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:14:40,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:40,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846301281] [2023-11-06 22:14:40,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846301281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:40,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:40,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 22:14:40,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672116549] [2023-11-06 22:14:40,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:40,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:14:40,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:40,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:14:40,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:14:40,222 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 144 [2023-11-06 22:14:40,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 14 transitions, 31 flow. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2023-11-06 22:14:40,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:14:40,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 144 [2023-11-06 22:14:40,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:14:40,268 INFO L124 PetriNetUnfolderBase]: 15/46 cut-off events. [2023-11-06 22:14:40,268 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:14:40,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 46 events. 15/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 125 event pairs, 15 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 82. Up to 40 conditions per place. [2023-11-06 22:14:40,271 INFO L140 encePairwiseOnDemand]: 141/144 looper letters, 9 selfloop transitions, 1 changer transitions 0/12 dead transitions. [2023-11-06 22:14:40,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 12 transitions, 47 flow [2023-11-06 22:14:40,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:14:40,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:14:40,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 234 transitions. [2023-11-06 22:14:40,296 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5416666666666666 [2023-11-06 22:14:40,297 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 234 transitions. [2023-11-06 22:14:40,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 234 transitions. [2023-11-06 22:14:40,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:14:40,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 234 transitions. [2023-11-06 22:14:40,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2023-11-06 22:14:40,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 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) [2023-11-06 22:14:40,314 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 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) [2023-11-06 22:14:40,317 INFO L175 Difference]: Start difference. First operand has 18 places, 14 transitions, 31 flow. Second operand 3 states and 234 transitions. [2023-11-06 22:14:40,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 12 transitions, 47 flow [2023-11-06 22:14:40,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 12 transitions, 46 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:14:40,322 INFO L231 Difference]: Finished difference. Result has 17 places, 12 transitions, 28 flow [2023-11-06 22:14:40,325 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=28, PETRI_PLACES=17, PETRI_TRANSITIONS=12} [2023-11-06 22:14:40,329 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, -1 predicate places. [2023-11-06 22:14:40,329 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 12 transitions, 28 flow [2023-11-06 22:14:40,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2023-11-06 22:14:40,330 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:14:40,330 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-06 22:14:40,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:14:40,331 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-06 22:14:40,331 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:40,332 INFO L85 PathProgramCache]: Analyzing trace with hash 263075, now seen corresponding path program 1 times [2023-11-06 22:14:40,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:40,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808714107] [2023-11-06 22:14:40,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:40,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:14:40,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:40,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808714107] [2023-11-06 22:14:40,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808714107] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:40,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:40,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 22:14:40,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455414416] [2023-11-06 22:14:40,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:40,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:14:40,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:40,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:14:40,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:14:40,456 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 144 [2023-11-06 22:14:40,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 12 transitions, 28 flow. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2023-11-06 22:14:40,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:14:40,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 144 [2023-11-06 22:14:40,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:14:40,501 INFO L124 PetriNetUnfolderBase]: 13/38 cut-off events. [2023-11-06 22:14:40,502 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:14:40,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 38 events. 13/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 86 event pairs, 5 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 74. Up to 22 conditions per place. [2023-11-06 22:14:40,503 INFO L140 encePairwiseOnDemand]: 140/144 looper letters, 8 selfloop transitions, 2 changer transitions 4/15 dead transitions. [2023-11-06 22:14:40,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 15 transitions, 62 flow [2023-11-06 22:14:40,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:14:40,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:14:40,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2023-11-06 22:14:40,507 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5439814814814815 [2023-11-06 22:14:40,507 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 235 transitions. [2023-11-06 22:14:40,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 235 transitions. [2023-11-06 22:14:40,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:14:40,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 235 transitions. [2023-11-06 22:14:40,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2023-11-06 22:14:40,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 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) [2023-11-06 22:14:40,515 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 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) [2023-11-06 22:14:40,515 INFO L175 Difference]: Start difference. First operand has 17 places, 12 transitions, 28 flow. Second operand 3 states and 235 transitions. [2023-11-06 22:14:40,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 15 transitions, 62 flow [2023-11-06 22:14:40,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 15 transitions, 61 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:14:40,517 INFO L231 Difference]: Finished difference. Result has 18 places, 9 transitions, 29 flow [2023-11-06 22:14:40,517 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=25, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=29, PETRI_PLACES=18, PETRI_TRANSITIONS=9} [2023-11-06 22:14:40,518 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 0 predicate places. [2023-11-06 22:14:40,519 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 9 transitions, 29 flow [2023-11-06 22:14:40,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2023-11-06 22:14:40,520 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:14:40,520 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:40,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:14:40,521 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-06 22:14:40,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:40,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1774065669, now seen corresponding path program 1 times [2023-11-06 22:14:40,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:40,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254682937] [2023-11-06 22:14:40,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:40,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:40,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:14:40,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:40,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254682937] [2023-11-06 22:14:40,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254682937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:40,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:40,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:14:40,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688362170] [2023-11-06 22:14:40,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:40,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:14:40,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:40,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:14:40,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:14:40,743 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 144 [2023-11-06 22:14:40,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 9 transitions, 29 flow. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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) [2023-11-06 22:14:40,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:14:40,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 144 [2023-11-06 22:14:40,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:14:40,787 INFO L124 PetriNetUnfolderBase]: 1/15 cut-off events. [2023-11-06 22:14:40,787 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:14:40,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 15 events. 1/15 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 1 based on Foata normal form. 4/19 useless extension candidates. Maximal degree in co-relation 33. Up to 7 conditions per place. [2023-11-06 22:14:40,788 INFO L140 encePairwiseOnDemand]: 139/144 looper letters, 3 selfloop transitions, 5 changer transitions 0/9 dead transitions. [2023-11-06 22:14:40,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 9 transitions, 45 flow [2023-11-06 22:14:40,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:14:40,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:14:40,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 221 transitions. [2023-11-06 22:14:40,791 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5115740740740741 [2023-11-06 22:14:40,792 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 221 transitions. [2023-11-06 22:14:40,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 221 transitions. [2023-11-06 22:14:40,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:14:40,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 221 transitions. [2023-11-06 22:14:40,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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) [2023-11-06 22:14:40,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 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) [2023-11-06 22:14:40,809 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 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) [2023-11-06 22:14:40,809 INFO L175 Difference]: Start difference. First operand has 18 places, 9 transitions, 29 flow. Second operand 3 states and 221 transitions. [2023-11-06 22:14:40,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 9 transitions, 45 flow [2023-11-06 22:14:40,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 9 transitions, 41 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:14:40,811 INFO L231 Difference]: Finished difference. Result has 16 places, 9 transitions, 35 flow [2023-11-06 22:14:40,811 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=25, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=9, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=35, PETRI_PLACES=16, PETRI_TRANSITIONS=9} [2023-11-06 22:14:40,812 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, -2 predicate places. [2023-11-06 22:14:40,812 INFO L495 AbstractCegarLoop]: Abstraction has has 16 places, 9 transitions, 35 flow [2023-11-06 22:14:40,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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) [2023-11-06 22:14:40,813 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:14:40,813 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:40,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:14:40,814 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-06 22:14:40,815 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:40,815 INFO L85 PathProgramCache]: Analyzing trace with hash -47960683, now seen corresponding path program 1 times [2023-11-06 22:14:40,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:40,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401238395] [2023-11-06 22:14:40,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:40,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:14:41,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:41,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401238395] [2023-11-06 22:14:41,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401238395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:41,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:41,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:14:41,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107117616] [2023-11-06 22:14:41,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:41,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:14:41,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:41,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:14:41,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:14:41,092 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 144 [2023-11-06 22:14:41,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 9 transitions, 35 flow. Second operand has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 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) [2023-11-06 22:14:41,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:14:41,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 144 [2023-11-06 22:14:41,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:14:41,127 INFO L124 PetriNetUnfolderBase]: 1/14 cut-off events. [2023-11-06 22:14:41,128 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:14:41,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 14 events. 1/14 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 1/15 useless extension candidates. Maximal degree in co-relation 38. Up to 6 conditions per place. [2023-11-06 22:14:41,129 INFO L140 encePairwiseOnDemand]: 141/144 looper letters, 0 selfloop transitions, 0 changer transitions 10/10 dead transitions. [2023-11-06 22:14:41,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 10 transitions, 57 flow [2023-11-06 22:14:41,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:14:41,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:14:41,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 302 transitions. [2023-11-06 22:14:41,136 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5243055555555556 [2023-11-06 22:14:41,138 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 302 transitions. [2023-11-06 22:14:41,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 302 transitions. [2023-11-06 22:14:41,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:14:41,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 302 transitions. [2023-11-06 22:14:41,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 75.5) internal successors, (302), 4 states have internal predecessors, (302), 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) [2023-11-06 22:14:41,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 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) [2023-11-06 22:14:41,151 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 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) [2023-11-06 22:14:41,151 INFO L175 Difference]: Start difference. First operand has 16 places, 9 transitions, 35 flow. Second operand 4 states and 302 transitions. [2023-11-06 22:14:41,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 10 transitions, 57 flow [2023-11-06 22:14:41,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 10 transitions, 48 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:14:41,153 INFO L231 Difference]: Finished difference. Result has 16 places, 0 transitions, 0 flow [2023-11-06 22:14:41,153 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=16, PETRI_TRANSITIONS=0} [2023-11-06 22:14:41,154 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, -2 predicate places. [2023-11-06 22:14:41,156 INFO L495 AbstractCegarLoop]: Abstraction has has 16 places, 0 transitions, 0 flow [2023-11-06 22:14:41,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 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) [2023-11-06 22:14:41,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2023-11-06 22:14:41,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2023-11-06 22:14:41,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-06 22:14:41,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2023-11-06 22:14:41,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2023-11-06 22:14:41,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2023-11-06 22:14:41,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2023-11-06 22:14:41,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:14:41,167 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:14:41,179 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:14:41,180 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:14:41,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:14:41 BasicIcfg [2023-11-06 22:14:41,193 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:14:41,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:14:41,194 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:14:41,194 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:14:41,195 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:14:35" (3/4) ... [2023-11-06 22:14:41,198 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:14:41,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-06 22:14:41,216 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-06 22:14:41,217 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:14:41,217 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:14:41,295 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:14:41,301 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:14:41,301 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:14:41,302 INFO L158 Benchmark]: Toolchain (without parser) took 7181.38ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 106.6MB in the beginning and 122.0MB in the end (delta: -15.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-11-06 22:14:41,304 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:14:41,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1006.87ms. Allocated memory is still 151.0MB. Free memory was 106.3MB in the beginning and 122.7MB in the end (delta: -16.4MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-11-06 22:14:41,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.32ms. Allocated memory is still 151.0MB. Free memory was 122.7MB in the beginning and 120.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:14:41,309 INFO L158 Benchmark]: Boogie Preprocessor took 75.10ms. Allocated memory is still 151.0MB. Free memory was 120.3MB in the beginning and 118.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:14:41,310 INFO L158 Benchmark]: RCFGBuilder took 635.71ms. Allocated memory is still 151.0MB. Free memory was 118.7MB in the beginning and 105.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:14:41,310 INFO L158 Benchmark]: TraceAbstraction took 5276.26ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 105.0MB in the beginning and 125.2MB in the end (delta: -20.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-11-06 22:14:41,311 INFO L158 Benchmark]: Witness Printer took 107.62ms. Allocated memory is still 182.5MB. Free memory was 125.2MB in the beginning and 122.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:14:41,313 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1006.87ms. Allocated memory is still 151.0MB. Free memory was 106.3MB in the beginning and 122.7MB in the end (delta: -16.4MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.32ms. Allocated memory is still 151.0MB. Free memory was 122.7MB in the beginning and 120.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.10ms. Allocated memory is still 151.0MB. Free memory was 120.3MB in the beginning and 118.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 635.71ms. Allocated memory is still 151.0MB. Free memory was 118.7MB in the beginning and 105.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5276.26ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 105.0MB in the beginning and 125.2MB in the end (delta: -20.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Witness Printer took 107.62ms. Allocated memory is still 182.5MB. Free memory was 125.2MB in the beginning and 122.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.6s, 74 PlacesBefore, 18 PlacesAfterwards, 70 TransitionsBefore, 14 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 65 TotalNumberOfCompositions, 994 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 586, independent: 499, independent conditional: 0, independent unconditional: 499, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 304, independent: 285, independent conditional: 0, independent unconditional: 285, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 586, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 304, unknown conditional: 0, unknown unconditional: 304] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 928]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 928]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: 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 3 procedures, 93 locations, 7 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: 5.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 10 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=3, InterpolantAutomatonStates: 13, 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, 0.5s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2023-11-06 22:14:41,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c048eb-78f9-4f8f-a5a9-96dc6a72e0d2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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