./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a --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 e02ca79ae11b312cb156178ccd52c5da7b51884a938996d16b5a625457869bce --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 08:49:10,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 08:49:10,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 08:49:10,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 08:49:10,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 08:49:10,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 08:49:10,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 08:49:10,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 08:49:10,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 08:49:11,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 08:49:11,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 08:49:11,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 08:49:11,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 08:49:11,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 08:49:11,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 08:49:11,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 08:49:11,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 08:49:11,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 08:49:11,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 08:49:11,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 08:49:11,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 08:49:11,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 08:49:11,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 08:49:11,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 08:49:11,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 08:49:11,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 08:49:11,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 08:49:11,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 08:49:11,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 08:49:11,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 08:49:11,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 08:49:11,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 08:49:11,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 08:49:11,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 08:49:11,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 08:49:11,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 08:49:11,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 08:49:11,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 08:49:11,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 08:49:11,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 08:49:11,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 08:49:11,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-21 08:49:11,091 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 08:49:11,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 08:49:11,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 08:49:11,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 08:49:11,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 08:49:11,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 08:49:11,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 08:49:11,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 08:49:11,095 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 08:49:11,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 08:49:11,097 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 08:49:11,097 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 08:49:11,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 08:49:11,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 08:49:11,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 08:49:11,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 08:49:11,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 08:49:11,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 08:49:11,099 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 08:49:11,100 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 08:49:11,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 08:49:11,100 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 08:49:11,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 08:49:11,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 08:49:11,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 08:49:11,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 08:49:11,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 08:49:11,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 08:49:11,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 08:49:11,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 08:49:11,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 08:49:11,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 08:49:11,104 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 08:49:11,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 08:49:11,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 08:49:11,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e02ca79ae11b312cb156178ccd52c5da7b51884a938996d16b5a625457869bce [2022-11-21 08:49:11,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 08:49:11,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 08:49:11,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 08:49:11,433 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 08:49:11,434 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 08:49:11,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-21 08:49:14,446 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 08:49:14,743 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 08:49:14,744 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-21 08:49:14,755 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/data/33ffd1a5a/db8f6f49c123413e80e445e8c26ea77c/FLAGc4c6f0a38 [2022-11-21 08:49:14,775 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/data/33ffd1a5a/db8f6f49c123413e80e445e8c26ea77c [2022-11-21 08:49:14,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 08:49:14,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 08:49:14,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 08:49:14,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 08:49:14,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 08:49:14,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:49:14" (1/1) ... [2022-11-21 08:49:14,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c7e49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:49:14, skipping insertion in model container [2022-11-21 08:49:14,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:49:14" (1/1) ... [2022-11-21 08:49:14,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 08:49:14,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 08:49:14,988 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-11-21 08:49:15,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 08:49:15,187 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 08:49:15,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-11-21 08:49:15,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 08:49:15,318 INFO L208 MainTranslator]: Completed translation [2022-11-21 08:49:15,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:49:15 WrapperNode [2022-11-21 08:49:15,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 08:49:15,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 08:49:15,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 08:49:15,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 08:49:15,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:49:15" (1/1) ... [2022-11-21 08:49:15,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:49:15" (1/1) ... [2022-11-21 08:49:15,370 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2022-11-21 08:49:15,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 08:49:15,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 08:49:15,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 08:49:15,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 08:49:15,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:49:15" (1/1) ... [2022-11-21 08:49:15,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:49:15" (1/1) ... [2022-11-21 08:49:15,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:49:15" (1/1) ... [2022-11-21 08:49:15,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:49:15" (1/1) ... [2022-11-21 08:49:15,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:49:15" (1/1) ... [2022-11-21 08:49:15,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:49:15" (1/1) ... [2022-11-21 08:49:15,420 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:49:15" (1/1) ... [2022-11-21 08:49:15,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:49:15" (1/1) ... [2022-11-21 08:49:15,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 08:49:15,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 08:49:15,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 08:49:15,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 08:49:15,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:49:15" (1/1) ... [2022-11-21 08:49:15,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 08:49:15,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 08:49:15,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 08:49:15,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 08:49:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 08:49:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 08:49:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 08:49:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 08:49:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 08:49:15,525 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-21 08:49:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-21 08:49:15,525 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-21 08:49:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-21 08:49:15,525 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-21 08:49:15,526 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-21 08:49:15,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 08:49:15,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 08:49:15,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 08:49:15,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 08:49:15,528 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 08:49:15,707 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 08:49:15,713 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 08:49:15,897 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 08:49:15,925 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 08:49:15,925 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 08:49:15,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:49:15 BoogieIcfgContainer [2022-11-21 08:49:15,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 08:49:15,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 08:49:15,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 08:49:15,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 08:49:15,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:49:14" (1/3) ... [2022-11-21 08:49:15,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1002ab74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:49:15, skipping insertion in model container [2022-11-21 08:49:15,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:49:15" (2/3) ... [2022-11-21 08:49:15,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1002ab74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:49:15, skipping insertion in model container [2022-11-21 08:49:15,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:49:15" (3/3) ... [2022-11-21 08:49:15,938 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-21 08:49:15,946 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 08:49:15,954 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 08:49:15,954 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-21 08:49:15,954 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 08:49:16,014 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 08:49:16,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 205 flow [2022-11-21 08:49:16,110 INFO L130 PetriNetUnfolder]: 2/92 cut-off events. [2022-11-21 08:49:16,110 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 08:49:16,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 92 events. 2/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2022-11-21 08:49:16,124 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 95 transitions, 205 flow [2022-11-21 08:49:16,129 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 92 transitions, 193 flow [2022-11-21 08:49:16,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 08:49:16,145 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;@73ce1b39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 08:49:16,146 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-21 08:49:16,156 INFO L130 PetriNetUnfolder]: 0/31 cut-off events. [2022-11-21 08:49:16,156 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 08:49:16,156 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 08:49:16,157 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 08:49:16,157 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 08:49:16,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:49:16,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1091895938, now seen corresponding path program 1 times [2022-11-21 08:49:16,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 08:49:16,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126354731] [2022-11-21 08:49:16,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:49:16,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 08:49:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:49:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 08:49:16,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 08:49:16,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126354731] [2022-11-21 08:49:16,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126354731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 08:49:16,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 08:49:16,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 08:49:16,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461384414] [2022-11-21 08:49:16,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 08:49:16,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 08:49:16,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 08:49:16,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 08:49:16,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 08:49:16,579 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 95 [2022-11-21 08:49:16,582 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 92 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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) [2022-11-21 08:49:16,582 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 08:49:16,582 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 95 [2022-11-21 08:49:16,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 08:49:16,807 INFO L130 PetriNetUnfolder]: 104/365 cut-off events. [2022-11-21 08:49:16,807 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-21 08:49:16,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 365 events. 104/365 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 1705 event pairs, 69 based on Foata normal form. 31/299 useless extension candidates. Maximal degree in co-relation 550. Up to 187 conditions per place. [2022-11-21 08:49:16,816 INFO L137 encePairwiseOnDemand]: 83/95 looper letters, 16 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2022-11-21 08:49:16,816 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 95 transitions, 245 flow [2022-11-21 08:49:16,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 08:49:16,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 08:49:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 264 transitions. [2022-11-21 08:49:16,836 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9263157894736842 [2022-11-21 08:49:16,837 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 264 transitions. [2022-11-21 08:49:16,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 264 transitions. [2022-11-21 08:49:16,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 08:49:16,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 264 transitions. [2022-11-21 08:49:16,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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) [2022-11-21 08:49:16,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 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) [2022-11-21 08:49:16,857 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 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) [2022-11-21 08:49:16,859 INFO L175 Difference]: Start difference. First operand has 100 places, 92 transitions, 193 flow. Second operand 3 states and 264 transitions. [2022-11-21 08:49:16,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 95 transitions, 245 flow [2022-11-21 08:49:16,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 95 transitions, 240 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-21 08:49:16,874 INFO L231 Difference]: Finished difference. Result has 99 places, 92 transitions, 220 flow [2022-11-21 08:49:16,876 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=99, PETRI_TRANSITIONS=92} [2022-11-21 08:49:16,883 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, -1 predicate places. [2022-11-21 08:49:16,883 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 92 transitions, 220 flow [2022-11-21 08:49:16,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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) [2022-11-21 08:49:16,884 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 08:49:16,884 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 08:49:16,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 08:49:16,884 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 08:49:16,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:49:16,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1675122902, now seen corresponding path program 1 times [2022-11-21 08:49:16,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 08:49:16,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164387871] [2022-11-21 08:49:16,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:49:16,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 08:49:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:49:17,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 08:49:17,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 08:49:17,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164387871] [2022-11-21 08:49:17,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164387871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 08:49:17,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 08:49:17,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 08:49:17,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907171861] [2022-11-21 08:49:17,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 08:49:17,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 08:49:17,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 08:49:17,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 08:49:17,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 08:49:17,103 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 95 [2022-11-21 08:49:17,108 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 92 transitions, 220 flow. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 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) [2022-11-21 08:49:17,109 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 08:49:17,109 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 95 [2022-11-21 08:49:17,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 08:49:17,234 INFO L130 PetriNetUnfolder]: 54/232 cut-off events. [2022-11-21 08:49:17,235 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-11-21 08:49:17,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 232 events. 54/232 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1006 event pairs, 6 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 425. Up to 80 conditions per place. [2022-11-21 08:49:17,238 INFO L137 encePairwiseOnDemand]: 85/95 looper letters, 15 selfloop transitions, 10 changer transitions 3/103 dead transitions. [2022-11-21 08:49:17,238 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 103 transitions, 316 flow [2022-11-21 08:49:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 08:49:17,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-21 08:49:17,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 343 transitions. [2022-11-21 08:49:17,240 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9026315789473685 [2022-11-21 08:49:17,240 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 343 transitions. [2022-11-21 08:49:17,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 343 transitions. [2022-11-21 08:49:17,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 08:49:17,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 343 transitions. [2022-11-21 08:49:17,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 85.75) internal successors, (343), 4 states have internal predecessors, (343), 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) [2022-11-21 08:49:17,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 95.0) internal successors, (475), 5 states have internal predecessors, (475), 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) [2022-11-21 08:49:17,244 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 95.0) internal successors, (475), 5 states have internal predecessors, (475), 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) [2022-11-21 08:49:17,244 INFO L175 Difference]: Start difference. First operand has 99 places, 92 transitions, 220 flow. Second operand 4 states and 343 transitions. [2022-11-21 08:49:17,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 103 transitions, 316 flow [2022-11-21 08:49:17,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 103 transitions, 312 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 08:49:17,247 INFO L231 Difference]: Finished difference. Result has 103 places, 95 transitions, 276 flow [2022-11-21 08:49:17,248 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=276, PETRI_PLACES=103, PETRI_TRANSITIONS=95} [2022-11-21 08:49:17,248 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, 3 predicate places. [2022-11-21 08:49:17,249 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 95 transitions, 276 flow [2022-11-21 08:49:17,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 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) [2022-11-21 08:49:17,249 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 08:49:17,250 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 08:49:17,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 08:49:17,250 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 08:49:17,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:49:17,251 INFO L85 PathProgramCache]: Analyzing trace with hash 716594219, now seen corresponding path program 1 times [2022-11-21 08:49:17,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 08:49:17,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311592465] [2022-11-21 08:49:17,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:49:17,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 08:49:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:49:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 08:49:17,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 08:49:17,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311592465] [2022-11-21 08:49:17,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311592465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 08:49:17,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 08:49:17,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 08:49:17,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009353460] [2022-11-21 08:49:17,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 08:49:17,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 08:49:17,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 08:49:17,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 08:49:17,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 08:49:17,423 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 95 [2022-11-21 08:49:17,424 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 95 transitions, 276 flow. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 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) [2022-11-21 08:49:17,424 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 08:49:17,424 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 95 [2022-11-21 08:49:17,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 08:49:17,518 INFO L130 PetriNetUnfolder]: 20/148 cut-off events. [2022-11-21 08:49:17,519 INFO L131 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2022-11-21 08:49:17,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 148 events. 20/148 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 417 event pairs, 0 based on Foata normal form. 20/165 useless extension candidates. Maximal degree in co-relation 253. Up to 42 conditions per place. [2022-11-21 08:49:17,525 INFO L137 encePairwiseOnDemand]: 88/95 looper letters, 13 selfloop transitions, 4 changer transitions 0/92 dead transitions. [2022-11-21 08:49:17,526 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 92 transitions, 278 flow [2022-11-21 08:49:17,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 08:49:17,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-21 08:49:17,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 332 transitions. [2022-11-21 08:49:17,530 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8736842105263158 [2022-11-21 08:49:17,530 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 332 transitions. [2022-11-21 08:49:17,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 332 transitions. [2022-11-21 08:49:17,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 08:49:17,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 332 transitions. [2022-11-21 08:49:17,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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) [2022-11-21 08:49:17,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 95.0) internal successors, (475), 5 states have internal predecessors, (475), 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) [2022-11-21 08:49:17,553 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 95.0) internal successors, (475), 5 states have internal predecessors, (475), 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) [2022-11-21 08:49:17,553 INFO L175 Difference]: Start difference. First operand has 103 places, 95 transitions, 276 flow. Second operand 4 states and 332 transitions. [2022-11-21 08:49:17,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 92 transitions, 278 flow [2022-11-21 08:49:17,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 92 transitions, 260 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-11-21 08:49:17,562 INFO L231 Difference]: Finished difference. Result has 100 places, 89 transitions, 224 flow [2022-11-21 08:49:17,562 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=224, PETRI_PLACES=100, PETRI_TRANSITIONS=89} [2022-11-21 08:49:17,564 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, 0 predicate places. [2022-11-21 08:49:17,564 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 89 transitions, 224 flow [2022-11-21 08:49:17,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 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) [2022-11-21 08:49:17,565 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 08:49:17,565 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 08:49:17,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 08:49:17,566 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 08:49:17,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:49:17,567 INFO L85 PathProgramCache]: Analyzing trace with hash -931327956, now seen corresponding path program 1 times [2022-11-21 08:49:17,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 08:49:17,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687172612] [2022-11-21 08:49:17,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:49:17,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 08:49:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:49:17,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 08:49:17,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 08:49:17,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687172612] [2022-11-21 08:49:17,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687172612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 08:49:17,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 08:49:17,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 08:49:17,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260317621] [2022-11-21 08:49:17,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 08:49:17,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 08:49:17,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 08:49:17,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 08:49:17,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 08:49:17,739 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 95 [2022-11-21 08:49:17,740 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 89 transitions, 224 flow. Second operand has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 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) [2022-11-21 08:49:17,740 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 08:49:17,740 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 95 [2022-11-21 08:49:17,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 08:49:17,791 INFO L130 PetriNetUnfolder]: 17/196 cut-off events. [2022-11-21 08:49:17,791 INFO L131 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2022-11-21 08:49:17,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 196 events. 17/196 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 574 event pairs, 0 based on Foata normal form. 6/196 useless extension candidates. Maximal degree in co-relation 261. Up to 18 conditions per place. [2022-11-21 08:49:17,793 INFO L137 encePairwiseOnDemand]: 88/95 looper letters, 0 selfloop transitions, 0 changer transitions 91/91 dead transitions. [2022-11-21 08:49:17,793 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 91 transitions, 254 flow [2022-11-21 08:49:17,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 08:49:17,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 08:49:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 409 transitions. [2022-11-21 08:49:17,795 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8610526315789474 [2022-11-21 08:49:17,795 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 409 transitions. [2022-11-21 08:49:17,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 409 transitions. [2022-11-21 08:49:17,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 08:49:17,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 409 transitions. [2022-11-21 08:49:17,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 81.8) internal successors, (409), 5 states have internal predecessors, (409), 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) [2022-11-21 08:49:17,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 95.0) internal successors, (570), 6 states have internal predecessors, (570), 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) [2022-11-21 08:49:17,799 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 95.0) internal successors, (570), 6 states have internal predecessors, (570), 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) [2022-11-21 08:49:17,799 INFO L175 Difference]: Start difference. First operand has 100 places, 89 transitions, 224 flow. Second operand 5 states and 409 transitions. [2022-11-21 08:49:17,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 91 transitions, 254 flow [2022-11-21 08:49:17,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 91 transitions, 239 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 08:49:17,801 INFO L231 Difference]: Finished difference. Result has 97 places, 0 transitions, 0 flow [2022-11-21 08:49:17,801 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=97, PETRI_TRANSITIONS=0} [2022-11-21 08:49:17,802 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, -3 predicate places. [2022-11-21 08:49:17,802 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 0 transitions, 0 flow [2022-11-21 08:49:17,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 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) [2022-11-21 08:49:17,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-21 08:49:17,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-21 08:49:17,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-21 08:49:17,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-21 08:49:17,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-21 08:49:17,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-21 08:49:17,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-21 08:49:17,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-21 08:49:17,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-21 08:49:17,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-21 08:49:17,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-21 08:49:17,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-21 08:49:17,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-21 08:49:17,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-21 08:49:17,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-21 08:49:17,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 08:49:17,810 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-21 08:49:17,816 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 08:49:17,816 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 08:49:17,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 08:49:17 BasicIcfg [2022-11-21 08:49:17,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 08:49:17,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 08:49:17,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 08:49:17,823 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 08:49:17,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:49:15" (3/4) ... [2022-11-21 08:49:17,825 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 08:49:17,831 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-21 08:49:17,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-21 08:49:17,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-21 08:49:17,839 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-21 08:49:17,840 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 08:49:17,840 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 08:49:17,840 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 08:49:17,883 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 08:49:17,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 08:49:17,887 INFO L158 Benchmark]: Toolchain (without parser) took 3107.36ms. Allocated memory is still 176.2MB. Free memory was 142.0MB in the beginning and 107.3MB in the end (delta: 34.7MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-11-21 08:49:17,888 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 08:49:17,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.13ms. Allocated memory is still 176.2MB. Free memory was 142.0MB in the beginning and 121.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 08:49:17,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.55ms. Allocated memory is still 176.2MB. Free memory was 121.6MB in the beginning and 119.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 08:49:17,894 INFO L158 Benchmark]: Boogie Preprocessor took 66.67ms. Allocated memory is still 176.2MB. Free memory was 119.6MB in the beginning and 118.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 08:49:17,894 INFO L158 Benchmark]: RCFGBuilder took 489.60ms. Allocated memory is still 176.2MB. Free memory was 118.1MB in the beginning and 102.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 08:49:17,895 INFO L158 Benchmark]: TraceAbstraction took 1890.73ms. Allocated memory is still 176.2MB. Free memory was 102.2MB in the beginning and 109.4MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 08:49:17,895 INFO L158 Benchmark]: Witness Printer took 64.62ms. Allocated memory is still 176.2MB. Free memory was 109.4MB in the beginning and 107.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 08:49:17,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.13ms. Allocated memory is still 176.2MB. Free memory was 142.0MB in the beginning and 121.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.55ms. Allocated memory is still 176.2MB. Free memory was 121.6MB in the beginning and 119.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.67ms. Allocated memory is still 176.2MB. Free memory was 119.6MB in the beginning and 118.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 489.60ms. Allocated memory is still 176.2MB. Free memory was 118.1MB in the beginning and 102.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1890.73ms. Allocated memory is still 176.2MB. Free memory was 102.2MB in the beginning and 109.4MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 64.62ms. Allocated memory is still 176.2MB. Free memory was 109.4MB in the beginning and 107.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 731]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 731]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 746]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 746]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 758]: 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, 123 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 10 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=276occurred in iteration=2, InterpolantAutomatonStates: 16, 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, 0.6s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 389 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 08:49:17,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04117ef8-7222-450f-9c49-98eb10075988/bin/uautomizer-vX5HgA9Q3a/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