./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu --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 cec155e54548239c459fec40910e358deb5fad2ceffa658bfdeefddd1bc9e166 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:03:25,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:03:26,025 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 08:03:26,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:03:26,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:03:26,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:03:26,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:03:26,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:03:26,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:03:26,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:03:26,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:03:26,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:03:26,080 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:03:26,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:03:26,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:03:26,082 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:03:26,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:03:26,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:03:26,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:03:26,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:03:26,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:03:26,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:03:26,085 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:03:26,087 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:03:26,087 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:03:26,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:03:26,088 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:03:26,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:03:26,089 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:03:26,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:03:26,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:03:26,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:03:26,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:03:26,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:03:26,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:03:26,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:03:26,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:03:26,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:03:26,093 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:03:26,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:03:26,093 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:03:26,094 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_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cec155e54548239c459fec40910e358deb5fad2ceffa658bfdeefddd1bc9e166 [2023-11-19 08:03:26,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:03:26,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:03:26,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:03:26,504 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:03:26,504 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:03:26,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i [2023-11-19 08:03:29,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:03:30,026 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:03:30,027 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i [2023-11-19 08:03:30,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/data/98b0177b1/59ac95df6128400390553e93b8913e27/FLAG7d35379fc [2023-11-19 08:03:30,069 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/data/98b0177b1/59ac95df6128400390553e93b8913e27 [2023-11-19 08:03:30,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:03:30,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:03:30,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:03:30,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:03:30,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:03:30,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:30" (1/1) ... [2023-11-19 08:03:30,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8c162f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30, skipping insertion in model container [2023-11-19 08:03:30,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:30" (1/1) ... [2023-11-19 08:03:30,158 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:03:30,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:03:30,540 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:03:30,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:03:30,626 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:03:30,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30 WrapperNode [2023-11-19 08:03:30,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:03:30,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:03:30,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:03:30,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:03:30,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2023-11-19 08:03:30,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2023-11-19 08:03:30,681 INFO L138 Inliner]: procedures = 165, calls = 46, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 146 [2023-11-19 08:03:30,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:03:30,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:03:30,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:03:30,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:03:30,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2023-11-19 08:03:30,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2023-11-19 08:03:30,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2023-11-19 08:03:30,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2023-11-19 08:03:30,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2023-11-19 08:03:30,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2023-11-19 08:03:30,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2023-11-19 08:03:30,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2023-11-19 08:03:30,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:03:30,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:03:30,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:03:30,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:03:30,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2023-11-19 08:03:30,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:03:30,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:30,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:30,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:03:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-19 08:03:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-19 08:03:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:03:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 08:03:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:03:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:03:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2023-11-19 08:03:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2023-11-19 08:03:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 08:03:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 08:03:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:03:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:03:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:03:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:03:30,801 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 08:03:31,012 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:03:31,015 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:03:31,335 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:03:31,348 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:03:31,350 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:03:31,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:31 BoogieIcfgContainer [2023-11-19 08:03:31,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:03:31,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:03:31,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:03:31,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:03:31,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:03:30" (1/3) ... [2023-11-19 08:03:31,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4baa9e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:31, skipping insertion in model container [2023-11-19 08:03:31,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (2/3) ... [2023-11-19 08:03:31,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4baa9e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:31, skipping insertion in model container [2023-11-19 08:03:31,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:31" (3/3) ... [2023-11-19 08:03:31,380 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2023-11-19 08:03:31,387 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 08:03:31,395 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:03:31,396 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 08:03:31,396 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:03:31,536 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 08:03:31,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 191 places, 190 transitions, 392 flow [2023-11-19 08:03:31,664 INFO L124 PetriNetUnfolderBase]: 9/187 cut-off events. [2023-11-19 08:03:31,664 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:03:31,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 187 events. 9/187 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 383 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 152. Up to 2 conditions per place. [2023-11-19 08:03:31,674 INFO L82 GeneralOperation]: Start removeDead. Operand has 191 places, 190 transitions, 392 flow [2023-11-19 08:03:31,681 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 188 places, 187 transitions, 383 flow [2023-11-19 08:03:31,684 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:03:31,694 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 188 places, 187 transitions, 383 flow [2023-11-19 08:03:31,696 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 188 places, 187 transitions, 383 flow [2023-11-19 08:03:31,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 188 places, 187 transitions, 383 flow [2023-11-19 08:03:31,749 INFO L124 PetriNetUnfolderBase]: 9/187 cut-off events. [2023-11-19 08:03:31,749 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:03:31,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 187 events. 9/187 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 383 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 152. Up to 2 conditions per place. [2023-11-19 08:03:31,763 INFO L119 LiptonReduction]: Number of co-enabled transitions 14538 [2023-11-19 08:03:38,051 INFO L134 LiptonReduction]: Checked pairs total: 27021 [2023-11-19 08:03:38,052 INFO L136 LiptonReduction]: Total number of compositions: 189 [2023-11-19 08:03:38,069 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:03:38,077 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;@63ae86c5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:03:38,077 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-19 08:03:38,083 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 08:03:38,084 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2023-11-19 08:03:38,084 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:03:38,084 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:03:38,085 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 08:03:38,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2023-11-19 08:03:38,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:38,091 INFO L85 PathProgramCache]: Analyzing trace with hash 689023035, now seen corresponding path program 1 times [2023-11-19 08:03:38,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:38,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037425272] [2023-11-19 08:03:38,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:38,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:38,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:38,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:38,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037425272] [2023-11-19 08:03:38,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037425272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:38,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:38,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:03:38,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024930205] [2023-11-19 08:03:38,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:38,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:03:38,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:38,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:38,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:38,500 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 379 [2023-11-19 08:03:38,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2023-11-19 08:03:38,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:03:38,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 379 [2023-11-19 08:03:38,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:03:38,994 INFO L124 PetriNetUnfolderBase]: 1313/2348 cut-off events. [2023-11-19 08:03:38,995 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2023-11-19 08:03:39,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4373 conditions, 2348 events. 1313/2348 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 15248 event pairs, 269 based on Foata normal form. 0/2130 useless extension candidates. Maximal degree in co-relation 4362. Up to 1524 conditions per place. [2023-11-19 08:03:39,013 INFO L140 encePairwiseOnDemand]: 375/379 looper letters, 31 selfloop transitions, 1 changer transitions 8/48 dead transitions. [2023-11-19 08:03:39,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 48 transitions, 185 flow [2023-11-19 08:03:39,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:39,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:03:39,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 552 transitions. [2023-11-19 08:03:39,034 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48548812664907653 [2023-11-19 08:03:39,034 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 552 transitions. [2023-11-19 08:03:39,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 552 transitions. [2023-11-19 08:03:39,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:03:39,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 552 transitions. [2023-11-19 08:03:39,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 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) [2023-11-19 08:03:39,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 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) [2023-11-19 08:03:39,059 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 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) [2023-11-19 08:03:39,061 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 87 flow. Second operand 3 states and 552 transitions. [2023-11-19 08:03:39,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 48 transitions, 185 flow [2023-11-19 08:03:39,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 48 transitions, 180 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-19 08:03:39,069 INFO L231 Difference]: Finished difference. Result has 42 places, 26 transitions, 60 flow [2023-11-19 08:03:39,071 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=42, PETRI_TRANSITIONS=26} [2023-11-19 08:03:39,077 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, -4 predicate places. [2023-11-19 08:03:39,077 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 26 transitions, 60 flow [2023-11-19 08:03:39,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2023-11-19 08:03:39,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:03:39,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 08:03:39,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:03:39,079 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2023-11-19 08:03:39,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:39,080 INFO L85 PathProgramCache]: Analyzing trace with hash 689023036, now seen corresponding path program 1 times [2023-11-19 08:03:39,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:39,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919436655] [2023-11-19 08:03:39,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:39,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:39,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:39,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:39,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919436655] [2023-11-19 08:03:39,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919436655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:39,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:39,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:03:39,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140169403] [2023-11-19 08:03:39,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:39,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:03:39,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:39,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:39,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:39,206 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 379 [2023-11-19 08:03:39,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 26 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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) [2023-11-19 08:03:39,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:03:39,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 379 [2023-11-19 08:03:39,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:03:39,330 INFO L124 PetriNetUnfolderBase]: 269/485 cut-off events. [2023-11-19 08:03:39,331 INFO L125 PetriNetUnfolderBase]: For 79/79 co-relation queries the response was YES. [2023-11-19 08:03:39,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1016 conditions, 485 events. 269/485 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2175 event pairs, 125 based on Foata normal form. 80/547 useless extension candidates. Maximal degree in co-relation 1007. Up to 254 conditions per place. [2023-11-19 08:03:39,333 INFO L140 encePairwiseOnDemand]: 377/379 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions. [2023-11-19 08:03:39,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 39 transitions, 152 flow [2023-11-19 08:03:39,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:39,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:03:39,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 545 transitions. [2023-11-19 08:03:39,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4793315743183817 [2023-11-19 08:03:39,337 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 545 transitions. [2023-11-19 08:03:39,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 545 transitions. [2023-11-19 08:03:39,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:03:39,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 545 transitions. [2023-11-19 08:03:39,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 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) [2023-11-19 08:03:39,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 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) [2023-11-19 08:03:39,345 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 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) [2023-11-19 08:03:39,346 INFO L175 Difference]: Start difference. First operand has 42 places, 26 transitions, 60 flow. Second operand 3 states and 545 transitions. [2023-11-19 08:03:39,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 39 transitions, 152 flow [2023-11-19 08:03:39,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 39 transitions, 151 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:03:39,347 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2023-11-19 08:03:39,348 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2023-11-19 08:03:39,349 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, -11 predicate places. [2023-11-19 08:03:39,349 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow [2023-11-19 08:03:39,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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) [2023-11-19 08:03:39,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2023-11-19 08:03:39,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2023-11-19 08:03:39,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-19 08:03:39,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2023-11-19 08:03:39,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2023-11-19 08:03:39,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2023-11-19 08:03:39,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2023-11-19 08:03:39,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:03:39,355 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 08:03:39,361 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 08:03:39,362 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:03:39,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:03:39 BasicIcfg [2023-11-19 08:03:39,367 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:03:39,368 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:03:39,368 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:03:39,368 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:03:39,369 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:31" (3/4) ... [2023-11-19 08:03:39,371 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:03:39,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2023-11-19 08:03:39,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t3_fun [2023-11-19 08:03:39,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-19 08:03:39,381 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 08:03:39,382 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 08:03:39,382 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 08:03:39,383 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:03:39,511 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:03:39,512 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:03:39,512 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:03:39,516 INFO L158 Benchmark]: Toolchain (without parser) took 9435.36ms. Allocated memory was 188.7MB in the beginning and 230.7MB in the end (delta: 41.9MB). Free memory was 141.3MB in the beginning and 193.4MB in the end (delta: -52.1MB). Peak memory consumption was 126.2MB. Max. memory is 16.1GB. [2023-11-19 08:03:39,516 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 188.7MB. Free memory is still 163.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:03:39,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.82ms. Allocated memory is still 188.7MB. Free memory was 141.3MB in the beginning and 121.4MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 08:03:39,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.10ms. Allocated memory is still 188.7MB. Free memory was 121.4MB in the beginning and 119.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:03:39,518 INFO L158 Benchmark]: Boogie Preprocessor took 34.50ms. Allocated memory is still 188.7MB. Free memory was 119.0MB in the beginning and 117.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:03:39,518 INFO L158 Benchmark]: RCFGBuilder took 639.12ms. Allocated memory is still 188.7MB. Free memory was 117.2MB in the beginning and 98.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 08:03:39,519 INFO L158 Benchmark]: TraceAbstraction took 7993.22ms. Allocated memory was 188.7MB in the beginning and 230.7MB in the end (delta: 41.9MB). Free memory was 98.0MB in the beginning and 64.2MB in the end (delta: 33.8MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2023-11-19 08:03:39,519 INFO L158 Benchmark]: Witness Printer took 144.12ms. Allocated memory is still 230.7MB. Free memory was 64.2MB in the beginning and 193.4MB in the end (delta: -129.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-11-19 08:03:39,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 188.7MB. Free memory is still 163.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.82ms. Allocated memory is still 188.7MB. Free memory was 141.3MB in the beginning and 121.4MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.10ms. Allocated memory is still 188.7MB. Free memory was 121.4MB in the beginning and 119.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.50ms. Allocated memory is still 188.7MB. Free memory was 119.0MB in the beginning and 117.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 639.12ms. Allocated memory is still 188.7MB. Free memory was 117.2MB in the beginning and 98.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7993.22ms. Allocated memory was 188.7MB in the beginning and 230.7MB in the end (delta: 41.9MB). Free memory was 98.0MB in the beginning and 64.2MB in the end (delta: 33.8MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. * Witness Printer took 144.12ms. Allocated memory is still 230.7MB. Free memory was 64.2MB in the beginning and 193.4MB in the end (delta: -129.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.4s, 188 PlacesBefore, 46 PlacesAfterwards, 187 TransitionsBefore, 39 TransitionsAfterwards, 14538 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 112 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 34 ConcurrentYvCompositions, 6 ChoiceCompositions, 189 TotalNumberOfCompositions, 27021 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13706, independent: 13306, independent conditional: 0, independent unconditional: 13306, dependent: 400, dependent conditional: 0, dependent unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8348, independent: 8260, independent conditional: 0, independent unconditional: 8260, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13706, independent: 5046, independent conditional: 0, independent unconditional: 5046, dependent: 312, dependent conditional: 0, dependent unconditional: 312, unknown: 8348, unknown conditional: 0, unknown unconditional: 8348] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 171, Positive conditional cache size: 0, Positive unconditional cache size: 171, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 692]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 692]: 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 7 procedures, 271 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: 7.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 10 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.2s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 08:03:39,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26bc972-9cc5-4251-905f-7e9ff2a75b88/bin/uautomizer-verify-uCwYo4JHxu/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