./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.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_103f4d74-2987-4e23-9e59-ac24323aab5d/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103f4d74-2987-4e23-9e59-ac24323aab5d/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_103f4d74-2987-4e23-9e59-ac24323aab5d/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103f4d74-2987-4e23-9e59-ac24323aab5d/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103f4d74-2987-4e23-9e59-ac24323aab5d/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_103f4d74-2987-4e23-9e59-ac24323aab5d/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 11eadb3d3dbb959cb5d260936a4e759de0e9c0b331e2b23d922151dc0bfe3fa5 --- 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 16:37:37,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:37:37,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:37:37,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:37:37,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:37:37,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:37:37,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:37:37,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:37:37,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:37:37,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:37:37,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:37:37,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:37:37,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:37:37,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:37:37,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:37:37,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:37:37,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:37:37,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:37:37,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:37:37,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:37:37,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:37:37,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:37:37,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:37:37,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:37:37,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:37:37,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:37:37,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:37:37,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:37:37,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:37:37,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:37:37,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:37:37,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:37:37,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:37:37,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:37:37,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:37:37,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:37:37,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:37:37,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:37:37,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:37:37,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:37:37,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:37:37,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103f4d74-2987-4e23-9e59-ac24323aab5d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-21 16:37:37,550 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:37:37,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:37:37,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:37:37,551 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:37:37,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:37:37,552 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:37:37,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:37:37,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:37:37,554 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:37:37,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:37:37,555 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:37:37,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:37:37,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:37:37,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:37:37,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:37:37,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:37:37,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:37:37,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:37:37,557 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 16:37:37,557 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:37:37,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:37:37,557 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:37:37,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:37:37,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:37:37,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:37:37,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:37:37,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:37:37,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:37:37,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:37:37,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:37:37,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:37:37,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:37:37,560 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:37:37,561 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:37:37,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:37:37,561 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_103f4d74-2987-4e23-9e59-ac24323aab5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103f4d74-2987-4e23-9e59-ac24323aab5d/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11eadb3d3dbb959cb5d260936a4e759de0e9c0b331e2b23d922151dc0bfe3fa5 [2022-11-21 16:37:37,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:37:37,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:37:37,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:37:37,939 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:37:37,939 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:37:37,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103f4d74-2987-4e23-9e59-ac24323aab5d/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-11-21 16:37:41,070 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:37:41,442 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:37:41,443 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103f4d74-2987-4e23-9e59-ac24323aab5d/sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-11-21 16:37:41,455 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103f4d74-2987-4e23-9e59-ac24323aab5d/bin/uautomizer-vX5HgA9Q3a/data/622d7c16b/d81e05f94c9a41c0accfc3919e7c5fe2/FLAG66c10b149 [2022-11-21 16:37:41,474 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103f4d74-2987-4e23-9e59-ac24323aab5d/bin/uautomizer-vX5HgA9Q3a/data/622d7c16b/d81e05f94c9a41c0accfc3919e7c5fe2 [2022-11-21 16:37:41,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:37:41,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:37:41,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:41,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:37:41,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:37:41,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:41" (1/1) ... [2022-11-21 16:37:41,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@239263a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:41, skipping insertion in model container [2022-11-21 16:37:41,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:41" (1/1) ... [2022-11-21 16:37:41,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:37:41,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:37:41,713 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_103f4d74-2987-4e23-9e59-ac24323aab5d/sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2022-11-21 16:37:41,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:37:41,941 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:37:41,951 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_103f4d74-2987-4e23-9e59-ac24323aab5d/sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2022-11-21 16:37:42,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:37:42,062 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:37:42,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:42 WrapperNode [2022-11-21 16:37:42,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:42,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:37:42,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:37:42,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:37:42,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:42" (1/1) ... [2022-11-21 16:37:42,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:42" (1/1) ... [2022-11-21 16:37:42,121 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 130 [2022-11-21 16:37:42,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:37:42,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:37:42,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:37:42,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:37:42,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:42" (1/1) ... [2022-11-21 16:37:42,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:42" (1/1) ... [2022-11-21 16:37:42,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:42" (1/1) ... [2022-11-21 16:37:42,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:42" (1/1) ... [2022-11-21 16:37:42,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:42" (1/1) ... [2022-11-21 16:37:42,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:42" (1/1) ... [2022-11-21 16:37:42,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:42" (1/1) ... [2022-11-21 16:37:42,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:42" (1/1) ... [2022-11-21 16:37:42,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:37:42,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:37:42,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:37:42,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:37:42,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:42" (1/1) ... [2022-11-21 16:37:42,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:37:42,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103f4d74-2987-4e23-9e59-ac24323aab5d/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:37:42,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103f4d74-2987-4e23-9e59-ac24323aab5d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:37:42,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103f4d74-2987-4e23-9e59-ac24323aab5d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:37:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:37:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 16:37:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:37:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:37:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:37:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-21 16:37:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-21 16:37:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-21 16:37:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-21 16:37:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-21 16:37:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-21 16:37:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:37:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 16:37:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:37:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:37:42,276 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 16:37:42,413 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:37:42,415 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:37:42,871 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:37:43,097 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:37:43,097 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:37:43,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:43 BoogieIcfgContainer [2022-11-21 16:37:43,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:37:43,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:37:43,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:37:43,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:37:43,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:37:41" (1/3) ... [2022-11-21 16:37:43,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33734ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:43, skipping insertion in model container [2022-11-21 16:37:43,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:42" (2/3) ... [2022-11-21 16:37:43,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33734ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:43, skipping insertion in model container [2022-11-21 16:37:43,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:43" (3/3) ... [2022-11-21 16:37:43,116 INFO L112 eAbstractionObserver]: Analyzing ICFG safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-11-21 16:37:43,129 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:37:43,176 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:37:43,176 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-21 16:37:43,177 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:37:43,227 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 16:37:43,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 117 transitions, 249 flow [2022-11-21 16:37:43,320 INFO L130 PetriNetUnfolder]: 2/114 cut-off events. [2022-11-21 16:37:43,320 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:37:43,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2022-11-21 16:37:43,327 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 117 transitions, 249 flow [2022-11-21 16:37:43,331 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 114 transitions, 237 flow [2022-11-21 16:37:43,341 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:37:43,347 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;@5a572b3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:37:43,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-21 16:37:43,361 INFO L130 PetriNetUnfolder]: 0/50 cut-off events. [2022-11-21 16:37:43,361 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:37:43,361 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:43,362 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] [2022-11-21 16:37:43,363 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 16:37:43,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:43,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1138116517, now seen corresponding path program 1 times [2022-11-21 16:37:43,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:43,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736978428] [2022-11-21 16:37:43,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:43,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:43,783 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 16:37:43,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:43,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736978428] [2022-11-21 16:37:43,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736978428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:43,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:43,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:43,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777191586] [2022-11-21 16:37:43,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:43,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:43,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:43,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:43,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:43,831 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 117 [2022-11-21 16:37:43,834 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 16:37:43,834 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:43,834 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 117 [2022-11-21 16:37:43,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:44,173 INFO L130 PetriNetUnfolder]: 319/763 cut-off events. [2022-11-21 16:37:44,174 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 16:37:44,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1324 conditions, 763 events. 319/763 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4740 event pairs, 74 based on Foata normal form. 118/702 useless extension candidates. Maximal degree in co-relation 1272. Up to 492 conditions per place. [2022-11-21 16:37:44,192 INFO L137 encePairwiseOnDemand]: 105/117 looper letters, 24 selfloop transitions, 4 changer transitions 0/121 dead transitions. [2022-11-21 16:37:44,193 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 121 transitions, 313 flow [2022-11-21 16:37:44,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:44,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2022-11-21 16:37:44,215 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9287749287749287 [2022-11-21 16:37:44,216 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 326 transitions. [2022-11-21 16:37:44,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 326 transitions. [2022-11-21 16:37:44,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:44,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 326 transitions. [2022-11-21 16:37:44,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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 16:37:44,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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 16:37:44,237 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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 16:37:44,239 INFO L175 Difference]: Start difference. First operand has 122 places, 114 transitions, 237 flow. Second operand 3 states and 326 transitions. [2022-11-21 16:37:44,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 121 transitions, 313 flow [2022-11-21 16:37:44,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 121 transitions, 308 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-21 16:37:44,255 INFO L231 Difference]: Finished difference. Result has 121 places, 114 transitions, 264 flow [2022-11-21 16:37:44,258 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=121, PETRI_TRANSITIONS=114} [2022-11-21 16:37:44,263 INFO L288 CegarLoopForPetriNet]: 122 programPoint places, -1 predicate places. [2022-11-21 16:37:44,263 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 114 transitions, 264 flow [2022-11-21 16:37:44,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 16:37:44,264 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:44,265 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:44,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:37:44,266 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 16:37:44,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:44,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1939302279, now seen corresponding path program 1 times [2022-11-21 16:37:44,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:44,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362165535] [2022-11-21 16:37:44,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:44,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:44,484 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 16:37:44,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:44,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362165535] [2022-11-21 16:37:44,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362165535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:44,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:44,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:37:44,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107742735] [2022-11-21 16:37:44,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:44,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:37:44,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:44,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:37:44,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:37:44,489 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 117 [2022-11-21 16:37:44,493 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 114 transitions, 264 flow. Second operand has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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 16:37:44,494 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:44,494 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 117 [2022-11-21 16:37:44,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:44,781 INFO L130 PetriNetUnfolder]: 209/641 cut-off events. [2022-11-21 16:37:44,781 INFO L131 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2022-11-21 16:37:44,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1245 conditions, 641 events. 209/641 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3754 event pairs, 96 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 1193. Up to 215 conditions per place. [2022-11-21 16:37:44,788 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 27 selfloop transitions, 10 changer transitions 3/133 dead transitions. [2022-11-21 16:37:44,788 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 133 transitions, 400 flow [2022-11-21 16:37:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:37:44,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-21 16:37:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 427 transitions. [2022-11-21 16:37:44,790 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9123931623931624 [2022-11-21 16:37:44,791 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 427 transitions. [2022-11-21 16:37:44,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 427 transitions. [2022-11-21 16:37:44,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:44,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 427 transitions. [2022-11-21 16:37:44,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 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 16:37:44,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 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 16:37:44,795 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 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 16:37:44,796 INFO L175 Difference]: Start difference. First operand has 121 places, 114 transitions, 264 flow. Second operand 4 states and 427 transitions. [2022-11-21 16:37:44,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 133 transitions, 400 flow [2022-11-21 16:37:44,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 133 transitions, 396 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:37:44,800 INFO L231 Difference]: Finished difference. Result has 125 places, 117 transitions, 320 flow [2022-11-21 16:37:44,800 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=320, PETRI_PLACES=125, PETRI_TRANSITIONS=117} [2022-11-21 16:37:44,801 INFO L288 CegarLoopForPetriNet]: 122 programPoint places, 3 predicate places. [2022-11-21 16:37:44,801 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 117 transitions, 320 flow [2022-11-21 16:37:44,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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 16:37:44,802 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:44,802 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:44,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:37:44,802 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 16:37:44,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:44,803 INFO L85 PathProgramCache]: Analyzing trace with hash -400949624, now seen corresponding path program 1 times [2022-11-21 16:37:44,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:44,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558899909] [2022-11-21 16:37:44,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:44,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:44,996 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 16:37:44,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:44,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558899909] [2022-11-21 16:37:44,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558899909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:44,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:44,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:37:44,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229769207] [2022-11-21 16:37:44,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:45,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:37:45,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:45,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:37:45,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:37:45,004 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 117 [2022-11-21 16:37:45,005 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 117 transitions, 320 flow. Second operand has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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 16:37:45,005 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:45,005 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 117 [2022-11-21 16:37:45,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:45,200 INFO L130 PetriNetUnfolder]: 121/451 cut-off events. [2022-11-21 16:37:45,200 INFO L131 PetriNetUnfolder]: For 423/423 co-relation queries the response was YES. [2022-11-21 16:37:45,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 891 conditions, 451 events. 121/451 cut-off events. For 423/423 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2144 event pairs, 66 based on Foata normal form. 47/470 useless extension candidates. Maximal degree in co-relation 836. Up to 169 conditions per place. [2022-11-21 16:37:45,207 INFO L137 encePairwiseOnDemand]: 110/117 looper letters, 21 selfloop transitions, 4 changer transitions 0/118 dead transitions. [2022-11-21 16:37:45,207 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 118 transitions, 346 flow [2022-11-21 16:37:45,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:37:45,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-21 16:37:45,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 412 transitions. [2022-11-21 16:37:45,210 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8803418803418803 [2022-11-21 16:37:45,210 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 412 transitions. [2022-11-21 16:37:45,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 412 transitions. [2022-11-21 16:37:45,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:45,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 412 transitions. [2022-11-21 16:37:45,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 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 16:37:45,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 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 16:37:45,215 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 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 16:37:45,215 INFO L175 Difference]: Start difference. First operand has 125 places, 117 transitions, 320 flow. Second operand 4 states and 412 transitions. [2022-11-21 16:37:45,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 118 transitions, 346 flow [2022-11-21 16:37:45,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 118 transitions, 328 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-11-21 16:37:45,222 INFO L231 Difference]: Finished difference. Result has 122 places, 111 transitions, 268 flow [2022-11-21 16:37:45,222 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=268, PETRI_PLACES=122, PETRI_TRANSITIONS=111} [2022-11-21 16:37:45,224 INFO L288 CegarLoopForPetriNet]: 122 programPoint places, 0 predicate places. [2022-11-21 16:37:45,224 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 111 transitions, 268 flow [2022-11-21 16:37:45,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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 16:37:45,224 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:45,225 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:45,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:37:45,225 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 16:37:45,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:45,227 INFO L85 PathProgramCache]: Analyzing trace with hash -279685804, now seen corresponding path program 1 times [2022-11-21 16:37:45,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:45,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763521731] [2022-11-21 16:37:45,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:45,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:45,487 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 16:37:45,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:45,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763521731] [2022-11-21 16:37:45,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763521731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:45,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:45,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:37:45,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22446352] [2022-11-21 16:37:45,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:45,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:37:45,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:45,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:37:45,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:37:45,491 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 117 [2022-11-21 16:37:45,492 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 111 transitions, 268 flow. Second operand has 5 states, 5 states have (on average 98.0) internal successors, (490), 5 states have internal predecessors, (490), 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 16:37:45,492 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:45,492 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 117 [2022-11-21 16:37:45,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:45,635 INFO L130 PetriNetUnfolder]: 115/396 cut-off events. [2022-11-21 16:37:45,635 INFO L131 PetriNetUnfolder]: For 201/201 co-relation queries the response was YES. [2022-11-21 16:37:45,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 396 events. 115/396 cut-off events. For 201/201 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1889 event pairs, 17 based on Foata normal form. 9/392 useless extension candidates. Maximal degree in co-relation 709. Up to 94 conditions per place. [2022-11-21 16:37:45,638 INFO L137 encePairwiseOnDemand]: 110/117 looper letters, 0 selfloop transitions, 0 changer transitions 121/121 dead transitions. [2022-11-21 16:37:45,638 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 121 transitions, 338 flow [2022-11-21 16:37:45,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:37:45,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 16:37:45,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 511 transitions. [2022-11-21 16:37:45,640 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8735042735042735 [2022-11-21 16:37:45,641 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 511 transitions. [2022-11-21 16:37:45,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 511 transitions. [2022-11-21 16:37:45,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:45,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 511 transitions. [2022-11-21 16:37:45,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 102.2) internal successors, (511), 5 states have internal predecessors, (511), 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 16:37:45,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 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 16:37:45,645 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 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 16:37:45,645 INFO L175 Difference]: Start difference. First operand has 122 places, 111 transitions, 268 flow. Second operand 5 states and 511 transitions. [2022-11-21 16:37:45,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 121 transitions, 338 flow [2022-11-21 16:37:45,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 121 transitions, 323 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:37:45,648 INFO L231 Difference]: Finished difference. Result has 119 places, 0 transitions, 0 flow [2022-11-21 16:37:45,648 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=119, PETRI_TRANSITIONS=0} [2022-11-21 16:37:45,649 INFO L288 CegarLoopForPetriNet]: 122 programPoint places, -3 predicate places. [2022-11-21 16:37:45,649 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 0 transitions, 0 flow [2022-11-21 16:37:45,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 98.0) internal successors, (490), 5 states have internal predecessors, (490), 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 16:37:45,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-21 16:37:45,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-21 16:37:45,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-21 16:37:45,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-21 16:37:45,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-21 16:37:45,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-21 16:37:45,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-21 16:37:45,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-21 16:37:45,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-21 16:37:45,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-21 16:37:45,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-21 16:37:45,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-21 16:37:45,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-21 16:37:45,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-21 16:37:45,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-21 16:37:45,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:37:45,656 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-21 16:37:45,662 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 16:37:45,662 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:37:45,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:37:45 BasicIcfg [2022-11-21 16:37:45,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:37:45,668 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:37:45,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:37:45,669 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:37:45,669 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:43" (3/4) ... [2022-11-21 16:37:45,672 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:37:45,677 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-21 16:37:45,677 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-21 16:37:45,677 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-21 16:37:45,681 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-21 16:37:45,682 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 16:37:45,682 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:37:45,682 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:37:45,718 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103f4d74-2987-4e23-9e59-ac24323aab5d/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:37:45,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:37:45,719 INFO L158 Benchmark]: Toolchain (without parser) took 4237.40ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 110.3MB in the beginning and 106.0MB in the end (delta: 4.3MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2022-11-21 16:37:45,719 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:37:45,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.95ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 87.9MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 16:37:45,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.37ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 85.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:37:45,720 INFO L158 Benchmark]: Boogie Preprocessor took 47.67ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 83.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:37:45,720 INFO L158 Benchmark]: RCFGBuilder took 929.59ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 111.4MB in the end (delta: -27.7MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2022-11-21 16:37:45,721 INFO L158 Benchmark]: TraceAbstraction took 2565.36ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 111.2MB in the beginning and 109.2MB in the end (delta: 2.0MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2022-11-21 16:37:45,721 INFO L158 Benchmark]: Witness Printer took 49.80ms. Allocated memory is still 180.4MB. Free memory was 109.2MB in the beginning and 106.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:37:45,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.95ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 87.9MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.37ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 85.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.67ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 83.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 929.59ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 111.4MB in the end (delta: -27.7MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2565.36ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 111.2MB in the beginning and 109.2MB in the end (delta: 2.0MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Witness Printer took 49.80ms. Allocated memory is still 180.4MB. Free memory was 109.2MB in the beginning and 106.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 812]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 812]: 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, 147 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: 2.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 151 IncrementalHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 10 mSDtfsCounter, 151 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=320occurred 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, 0.8s InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 623 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 16:37:45,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103f4d74-2987-4e23-9e59-ac24323aab5d/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