./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_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_a7f7d927-b266-4c1a-aae9-bc971506f72d/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f7d927-b266-4c1a-aae9-bc971506f72d/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_a7f7d927-b266-4c1a-aae9-bc971506f72d/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f7d927-b266-4c1a-aae9-bc971506f72d/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f7d927-b266-4c1a-aae9-bc971506f72d/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_a7f7d927-b266-4c1a-aae9-bc971506f72d/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 9565dcbef2b519c6326563c41ab6633c2e0b59b7d9ee2c8626de0cd3767b77b1 --- 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 16:23:19,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:23:19,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:23:19,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:23:19,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:23:19,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:23:19,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:23:19,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:23:19,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:23:19,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:23:19,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:23:19,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:23:19,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:23:19,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:23:19,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:23:19,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:23:19,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:23:19,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:23:19,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:23:19,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:23:19,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:23:19,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:23:19,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:23:19,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:23:19,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:23:19,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:23:19,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:23:19,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:23:19,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:23:19,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:23:19,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:23:19,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:23:19,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:23:19,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:23:19,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:23:19,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:23:19,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:23:19,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:23:19,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:23:19,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:23:19,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:23:19,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f7d927-b266-4c1a-aae9-bc971506f72d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-21 16:23:19,553 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:23:19,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:23:19,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:23:19,554 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:23:19,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:23:19,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:23:19,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:23:19,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:23:19,556 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:23:19,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:23:19,556 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:23:19,557 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:23:19,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:23:19,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:23:19,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:23:19,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:23:19,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:23:19,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:23:19,558 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 16:23:19,559 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:23:19,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:23:19,559 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:23:19,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:23:19,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:23:19,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:23:19,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:23:19,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:23:19,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:23:19,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:23:19,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:23:19,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:23:19,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:23:19,562 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:23:19,562 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:23:19,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:23:19,563 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_a7f7d927-b266-4c1a-aae9-bc971506f72d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f7d927-b266-4c1a-aae9-bc971506f72d/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9565dcbef2b519c6326563c41ab6633c2e0b59b7d9ee2c8626de0cd3767b77b1 [2022-11-21 16:23:19,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:23:19,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:23:19,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:23:19,891 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:23:19,891 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:23:19,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f7d927-b266-4c1a-aae9-bc971506f72d/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i [2022-11-21 16:23:23,059 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:23:23,327 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:23:23,327 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f7d927-b266-4c1a-aae9-bc971506f72d/sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i [2022-11-21 16:23:23,341 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f7d927-b266-4c1a-aae9-bc971506f72d/bin/uautomizer-vX5HgA9Q3a/data/3acd54469/e8b6e02cfe3d4230a36838d65e84f37d/FLAG7930b4f82 [2022-11-21 16:23:23,359 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f7d927-b266-4c1a-aae9-bc971506f72d/bin/uautomizer-vX5HgA9Q3a/data/3acd54469/e8b6e02cfe3d4230a36838d65e84f37d [2022-11-21 16:23:23,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:23:23,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:23:23,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:23:23,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:23:23,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:23:23,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:23:23" (1/1) ... [2022-11-21 16:23:23,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649a4c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:23, skipping insertion in model container [2022-11-21 16:23:23,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:23:23" (1/1) ... [2022-11-21 16:23:23,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:23:23,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:23:23,602 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_a7f7d927-b266-4c1a-aae9-bc971506f72d/sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i[966,979] [2022-11-21 16:23:23,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:23:23,903 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:23:23,921 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_a7f7d927-b266-4c1a-aae9-bc971506f72d/sv-benchmarks/c/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i[966,979] [2022-11-21 16:23:23,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:23:24,051 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:23:24,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:24 WrapperNode [2022-11-21 16:23:24,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:23:24,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:23:24,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:23:24,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:23:24,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:24" (1/1) ... [2022-11-21 16:23:24,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:24" (1/1) ... [2022-11-21 16:23:24,150 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 160 [2022-11-21 16:23:24,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:23:24,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:23:24,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:23:24,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:23:24,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:24" (1/1) ... [2022-11-21 16:23:24,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:24" (1/1) ... [2022-11-21 16:23:24,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:24" (1/1) ... [2022-11-21 16:23:24,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:24" (1/1) ... [2022-11-21 16:23:24,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:24" (1/1) ... [2022-11-21 16:23:24,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:24" (1/1) ... [2022-11-21 16:23:24,223 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:24" (1/1) ... [2022-11-21 16:23:24,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:24" (1/1) ... [2022-11-21 16:23:24,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:23:24,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:23:24,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:23:24,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:23:24,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:24" (1/1) ... [2022-11-21 16:23:24,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:23:24,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f7d927-b266-4c1a-aae9-bc971506f72d/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:23:24,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f7d927-b266-4c1a-aae9-bc971506f72d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:23:24,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f7d927-b266-4c1a-aae9-bc971506f72d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:23:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:23:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 16:23:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:23:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:23:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:23:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-21 16:23:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-21 16:23:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-21 16:23:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-21 16:23:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-21 16:23:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-21 16:23:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-21 16:23:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-21 16:23:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:23:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 16:23:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:23:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:23:24,352 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 16:23:24,565 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:23:24,579 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:23:25,024 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:23:25,251 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:23:25,251 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:23:25,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:23:25 BoogieIcfgContainer [2022-11-21 16:23:25,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:23:25,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:23:25,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:23:25,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:23:25,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:23:23" (1/3) ... [2022-11-21 16:23:25,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2085c3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:23:25, skipping insertion in model container [2022-11-21 16:23:25,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:24" (2/3) ... [2022-11-21 16:23:25,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2085c3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:23:25, skipping insertion in model container [2022-11-21 16:23:25,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:23:25" (3/3) ... [2022-11-21 16:23:25,270 INFO L112 eAbstractionObserver]: Analyzing ICFG mix030_power.opt_pso.opt_rmo.opt.i [2022-11-21 16:23:25,280 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:23:25,292 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:23:25,293 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-21 16:23:25,293 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:23:25,386 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 16:23:25,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 141 transitions, 302 flow [2022-11-21 16:23:25,549 INFO L130 PetriNetUnfolder]: 2/137 cut-off events. [2022-11-21 16:23:25,550 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:23:25,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 137 events. 2/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 91 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2022-11-21 16:23:25,558 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 141 transitions, 302 flow [2022-11-21 16:23:25,568 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 137 transitions, 286 flow [2022-11-21 16:23:25,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:23:25,597 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;@680434ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:23:25,598 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-21 16:23:25,628 INFO L130 PetriNetUnfolder]: 0/53 cut-off events. [2022-11-21 16:23:25,629 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:23:25,629 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:23:25,631 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] [2022-11-21 16:23:25,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-21 16:23:25,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:23:25,639 INFO L85 PathProgramCache]: Analyzing trace with hash -951990219, now seen corresponding path program 1 times [2022-11-21 16:23:25,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:23:25,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124932204] [2022-11-21 16:23:25,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:23:25,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:23:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:26,177 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 16:23:26,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:23:26,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124932204] [2022-11-21 16:23:26,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124932204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:23:26,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:23:26,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:23:26,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179331754] [2022-11-21 16:23:26,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:23:26,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:23:26,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:23:26,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:23:26,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:23:26,238 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2022-11-21 16:23:26,242 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 137 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 16:23:26,242 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:23:26,242 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2022-11-21 16:23:26,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:23:28,062 INFO L130 PetriNetUnfolder]: 3757/6619 cut-off events. [2022-11-21 16:23:28,062 INFO L131 PetriNetUnfolder]: For 79/79 co-relation queries the response was YES. [2022-11-21 16:23:28,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12107 conditions, 6619 events. 3757/6619 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 51847 event pairs, 1224 based on Foata normal form. 474/4830 useless extension candidates. Maximal degree in co-relation 12051. Up to 5190 conditions per place. [2022-11-21 16:23:28,152 INFO L137 encePairwiseOnDemand]: 126/141 looper letters, 33 selfloop transitions, 5 changer transitions 0/148 dead transitions. [2022-11-21 16:23:28,152 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 148 transitions, 393 flow [2022-11-21 16:23:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:23:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:23:28,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 392 transitions. [2022-11-21 16:23:28,173 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9267139479905437 [2022-11-21 16:23:28,174 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 392 transitions. [2022-11-21 16:23:28,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 392 transitions. [2022-11-21 16:23:28,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:23:28,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 392 transitions. [2022-11-21 16:23:28,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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 16:23:28,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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 16:23:28,196 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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 16:23:28,199 INFO L175 Difference]: Start difference. First operand has 148 places, 137 transitions, 286 flow. Second operand 3 states and 392 transitions. [2022-11-21 16:23:28,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 148 transitions, 393 flow [2022-11-21 16:23:28,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 148 transitions, 386 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:23:28,210 INFO L231 Difference]: Finished difference. Result has 146 places, 138 transitions, 323 flow [2022-11-21 16:23:28,212 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=146, PETRI_TRANSITIONS=138} [2022-11-21 16:23:28,219 INFO L288 CegarLoopForPetriNet]: 148 programPoint places, -2 predicate places. [2022-11-21 16:23:28,220 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 138 transitions, 323 flow [2022-11-21 16:23:28,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 16:23:28,220 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:23:28,221 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] [2022-11-21 16:23:28,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:23:28,221 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-21 16:23:28,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:23:28,222 INFO L85 PathProgramCache]: Analyzing trace with hash 592373517, now seen corresponding path program 1 times [2022-11-21 16:23:28,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:23:28,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221491037] [2022-11-21 16:23:28,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:23:28,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:23:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:28,539 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 16:23:28,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:23:28,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221491037] [2022-11-21 16:23:28,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221491037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:23:28,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:23:28,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:23:28,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46195481] [2022-11-21 16:23:28,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:23:28,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:23:28,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:23:28,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:23:28,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:23:28,552 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2022-11-21 16:23:28,553 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 138 transitions, 323 flow. Second operand has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 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 16:23:28,554 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:23:28,554 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2022-11-21 16:23:28,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:23:29,670 INFO L130 PetriNetUnfolder]: 2205/4541 cut-off events. [2022-11-21 16:23:29,670 INFO L131 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2022-11-21 16:23:29,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9887 conditions, 4541 events. 2205/4541 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 38127 event pairs, 280 based on Foata normal form. 0/3440 useless extension candidates. Maximal degree in co-relation 9832. Up to 1750 conditions per place. [2022-11-21 16:23:29,738 INFO L137 encePairwiseOnDemand]: 128/141 looper letters, 42 selfloop transitions, 13 changer transitions 0/165 dead transitions. [2022-11-21 16:23:29,738 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 165 transitions, 513 flow [2022-11-21 16:23:29,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:23:29,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-21 16:23:29,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2022-11-21 16:23:29,742 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9131205673758865 [2022-11-21 16:23:29,742 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 515 transitions. [2022-11-21 16:23:29,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 515 transitions. [2022-11-21 16:23:29,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:23:29,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 515 transitions. [2022-11-21 16:23:29,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 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 16:23:29,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 141.0) internal successors, (705), 5 states have internal predecessors, (705), 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 16:23:29,748 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 141.0) internal successors, (705), 5 states have internal predecessors, (705), 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 16:23:29,748 INFO L175 Difference]: Start difference. First operand has 146 places, 138 transitions, 323 flow. Second operand 4 states and 515 transitions. [2022-11-21 16:23:29,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 165 transitions, 513 flow [2022-11-21 16:23:29,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 165 transitions, 508 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:23:29,755 INFO L231 Difference]: Finished difference. Result has 150 places, 146 transitions, 421 flow [2022-11-21 16:23:29,756 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=421, PETRI_PLACES=150, PETRI_TRANSITIONS=146} [2022-11-21 16:23:29,756 INFO L288 CegarLoopForPetriNet]: 148 programPoint places, 2 predicate places. [2022-11-21 16:23:29,757 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 146 transitions, 421 flow [2022-11-21 16:23:29,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 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 16:23:29,757 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:23:29,758 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] [2022-11-21 16:23:29,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:23:29,758 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-21 16:23:29,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:23:29,759 INFO L85 PathProgramCache]: Analyzing trace with hash 592373518, now seen corresponding path program 1 times [2022-11-21 16:23:29,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:23:29,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363228284] [2022-11-21 16:23:29,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:23:29,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:23:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:29,996 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 16:23:29,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:23:29,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363228284] [2022-11-21 16:23:29,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363228284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:23:29,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:23:29,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:23:29,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129746320] [2022-11-21 16:23:29,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:23:30,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:23:30,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:23:30,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:23:30,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:23:30,003 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2022-11-21 16:23:30,004 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 146 transitions, 421 flow. Second operand has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 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 16:23:30,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:23:30,004 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2022-11-21 16:23:30,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:23:30,789 INFO L130 PetriNetUnfolder]: 952/3923 cut-off events. [2022-11-21 16:23:30,790 INFO L131 PetriNetUnfolder]: For 2695/2695 co-relation queries the response was YES. [2022-11-21 16:23:30,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6915 conditions, 3923 events. 952/3923 cut-off events. For 2695/2695 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 37493 event pairs, 585 based on Foata normal form. 361/3898 useless extension candidates. Maximal degree in co-relation 6857. Up to 1277 conditions per place. [2022-11-21 16:23:30,827 INFO L137 encePairwiseOnDemand]: 132/141 looper letters, 33 selfloop transitions, 5 changer transitions 0/148 dead transitions. [2022-11-21 16:23:30,827 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 148 transitions, 467 flow [2022-11-21 16:23:30,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:23:30,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-21 16:23:30,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 494 transitions. [2022-11-21 16:23:30,831 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.875886524822695 [2022-11-21 16:23:30,831 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 494 transitions. [2022-11-21 16:23:30,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 494 transitions. [2022-11-21 16:23:30,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:23:30,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 494 transitions. [2022-11-21 16:23:30,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 123.5) internal successors, (494), 4 states have internal predecessors, (494), 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 16:23:30,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 141.0) internal successors, (705), 5 states have internal predecessors, (705), 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 16:23:30,836 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 141.0) internal successors, (705), 5 states have internal predecessors, (705), 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 16:23:30,836 INFO L175 Difference]: Start difference. First operand has 150 places, 146 transitions, 421 flow. Second operand 4 states and 494 transitions. [2022-11-21 16:23:30,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 148 transitions, 467 flow [2022-11-21 16:23:30,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 148 transitions, 444 flow, removed 4 selfloop flow, removed 3 redundant places. [2022-11-21 16:23:30,846 INFO L231 Difference]: Finished difference. Result has 146 places, 138 transitions, 352 flow [2022-11-21 16:23:30,846 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=352, PETRI_PLACES=146, PETRI_TRANSITIONS=138} [2022-11-21 16:23:30,847 INFO L288 CegarLoopForPetriNet]: 148 programPoint places, -2 predicate places. [2022-11-21 16:23:30,848 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 138 transitions, 352 flow [2022-11-21 16:23:30,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 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 16:23:30,848 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:23:30,849 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, 1, 1, 1, 1] [2022-11-21 16:23:30,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:23:30,849 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-21 16:23:30,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:23:30,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1349476371, now seen corresponding path program 1 times [2022-11-21 16:23:30,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:23:30,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094140102] [2022-11-21 16:23:30,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:23:30,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:23:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:31,168 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 16:23:31,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:23:31,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094140102] [2022-11-21 16:23:31,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094140102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:23:31,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:23:31,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:23:31,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796605735] [2022-11-21 16:23:31,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:23:31,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:23:31,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:23:31,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:23:31,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:23:31,172 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2022-11-21 16:23:31,173 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 138 transitions, 352 flow. Second operand has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 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 16:23:31,173 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:23:31,173 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2022-11-21 16:23:31,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:23:31,722 INFO L130 PetriNetUnfolder]: 739/2349 cut-off events. [2022-11-21 16:23:31,723 INFO L131 PetriNetUnfolder]: For 934/934 co-relation queries the response was YES. [2022-11-21 16:23:31,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4339 conditions, 2349 events. 739/2349 cut-off events. For 934/934 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 18828 event pairs, 185 based on Foata normal form. 0/2224 useless extension candidates. Maximal degree in co-relation 4282. Up to 389 conditions per place. [2022-11-21 16:23:31,745 INFO L137 encePairwiseOnDemand]: 132/141 looper letters, 42 selfloop transitions, 13 changer transitions 4/169 dead transitions. [2022-11-21 16:23:31,745 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 169 transitions, 560 flow [2022-11-21 16:23:31,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:23:31,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 16:23:31,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 633 transitions. [2022-11-21 16:23:31,748 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8978723404255319 [2022-11-21 16:23:31,804 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 633 transitions. [2022-11-21 16:23:31,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 633 transitions. [2022-11-21 16:23:31,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:23:31,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 633 transitions. [2022-11-21 16:23:31,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 126.6) internal successors, (633), 5 states have internal predecessors, (633), 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 16:23:31,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 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 16:23:31,808 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 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 16:23:31,809 INFO L175 Difference]: Start difference. First operand has 146 places, 138 transitions, 352 flow. Second operand 5 states and 633 transitions. [2022-11-21 16:23:31,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 169 transitions, 560 flow [2022-11-21 16:23:31,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 169 transitions, 554 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:23:31,813 INFO L231 Difference]: Finished difference. Result has 149 places, 138 transitions, 388 flow [2022-11-21 16:23:31,813 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=388, PETRI_PLACES=149, PETRI_TRANSITIONS=138} [2022-11-21 16:23:31,814 INFO L288 CegarLoopForPetriNet]: 148 programPoint places, 1 predicate places. [2022-11-21 16:23:31,814 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 138 transitions, 388 flow [2022-11-21 16:23:31,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 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 16:23:31,815 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:23:31,815 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:23:31,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:23:31,816 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-21 16:23:31,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:23:31,816 INFO L85 PathProgramCache]: Analyzing trace with hash -912665767, now seen corresponding path program 1 times [2022-11-21 16:23:31,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:23:31,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276826828] [2022-11-21 16:23:31,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:23:31,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:23:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:32,011 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 16:23:32,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:23:32,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276826828] [2022-11-21 16:23:32,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276826828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:23:32,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:23:32,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:23:32,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161435620] [2022-11-21 16:23:32,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:23:32,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:23:32,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:23:32,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:23:32,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:23:32,014 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2022-11-21 16:23:32,015 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 138 transitions, 388 flow. Second operand has 6 states, 6 states have (on average 116.16666666666667) internal successors, (697), 6 states have internal predecessors, (697), 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 16:23:32,015 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:23:32,016 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2022-11-21 16:23:32,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:23:32,630 INFO L130 PetriNetUnfolder]: 712/2639 cut-off events. [2022-11-21 16:23:32,631 INFO L131 PetriNetUnfolder]: For 1920/1920 co-relation queries the response was YES. [2022-11-21 16:23:32,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5042 conditions, 2639 events. 712/2639 cut-off events. For 1920/1920 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 22304 event pairs, 185 based on Foata normal form. 16/2528 useless extension candidates. Maximal degree in co-relation 4984. Up to 389 conditions per place. [2022-11-21 16:23:32,648 INFO L137 encePairwiseOnDemand]: 132/141 looper letters, 0 selfloop transitions, 0 changer transitions 161/161 dead transitions. [2022-11-21 16:23:32,649 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 161 transitions, 524 flow [2022-11-21 16:23:32,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:23:32,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:23:32,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 739 transitions. [2022-11-21 16:23:32,652 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8735224586288416 [2022-11-21 16:23:32,653 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 739 transitions. [2022-11-21 16:23:32,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 739 transitions. [2022-11-21 16:23:32,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:23:32,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 739 transitions. [2022-11-21 16:23:32,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 123.16666666666667) internal successors, (739), 6 states have internal predecessors, (739), 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 16:23:32,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 141.0) internal successors, (987), 7 states have internal predecessors, (987), 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 16:23:32,660 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 141.0) internal successors, (987), 7 states have internal predecessors, (987), 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 16:23:32,660 INFO L175 Difference]: Start difference. First operand has 149 places, 138 transitions, 388 flow. Second operand 6 states and 739 transitions. [2022-11-21 16:23:32,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 161 transitions, 524 flow [2022-11-21 16:23:32,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 161 transitions, 469 flow, removed 8 selfloop flow, removed 6 redundant places. [2022-11-21 16:23:32,671 INFO L231 Difference]: Finished difference. Result has 144 places, 0 transitions, 0 flow [2022-11-21 16:23:32,671 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=144, PETRI_TRANSITIONS=0} [2022-11-21 16:23:32,672 INFO L288 CegarLoopForPetriNet]: 148 programPoint places, -4 predicate places. [2022-11-21 16:23:32,672 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 0 transitions, 0 flow [2022-11-21 16:23:32,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 116.16666666666667) internal successors, (697), 6 states have internal predecessors, (697), 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 16:23:32,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-21 16:23:32,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-21 16:23:32,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-21 16:23:32,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-21 16:23:32,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-21 16:23:32,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-21 16:23:32,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-21 16:23:32,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-21 16:23:32,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-11-21 16:23:32,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-11-21 16:23:32,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-11-21 16:23:32,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-11-21 16:23:32,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-21 16:23:32,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-21 16:23:32,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-21 16:23:32,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-21 16:23:32,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-21 16:23:32,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-21 16:23:32,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-21 16:23:32,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-21 16:23:32,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:23:32,683 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-21 16:23:32,690 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 16:23:32,690 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:23:32,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:23:32 BasicIcfg [2022-11-21 16:23:32,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:23:32,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:23:32,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:23:32,698 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:23:32,699 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:23:25" (3/4) ... [2022-11-21 16:23:32,702 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:23:32,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-21 16:23:32,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-21 16:23:32,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-21 16:23:32,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-11-21 16:23:32,716 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2022-11-21 16:23:32,716 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 16:23:32,717 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 16:23:32,717 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:23:32,769 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f7d927-b266-4c1a-aae9-bc971506f72d/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:23:32,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:23:32,771 INFO L158 Benchmark]: Toolchain (without parser) took 9404.95ms. Allocated memory was 151.0MB in the beginning and 734.0MB in the end (delta: 583.0MB). Free memory was 105.2MB in the beginning and 520.4MB in the end (delta: -415.2MB). Peak memory consumption was 170.2MB. Max. memory is 16.1GB. [2022-11-21 16:23:32,771 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 151.0MB. Free memory was 93.8MB in the beginning and 93.6MB in the end (delta: 190.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:23:32,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.81ms. Allocated memory is still 151.0MB. Free memory was 104.8MB in the beginning and 81.4MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-21 16:23:32,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.86ms. Allocated memory is still 151.0MB. Free memory was 81.4MB in the beginning and 78.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:23:32,773 INFO L158 Benchmark]: Boogie Preprocessor took 79.78ms. Allocated memory is still 151.0MB. Free memory was 78.5MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:23:32,773 INFO L158 Benchmark]: RCFGBuilder took 1015.43ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 76.4MB in the beginning and 153.1MB in the end (delta: -76.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-11-21 16:23:32,774 INFO L158 Benchmark]: TraceAbstraction took 7437.00ms. Allocated memory was 201.3MB in the beginning and 734.0MB in the end (delta: 532.7MB). Free memory was 152.3MB in the beginning and 523.6MB in the end (delta: -371.2MB). Peak memory consumption was 263.7MB. Max. memory is 16.1GB. [2022-11-21 16:23:32,775 INFO L158 Benchmark]: Witness Printer took 71.91ms. Allocated memory is still 734.0MB. Free memory was 523.6MB in the beginning and 520.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:23:32,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 151.0MB. Free memory was 93.8MB in the beginning and 93.6MB in the end (delta: 190.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.81ms. Allocated memory is still 151.0MB. Free memory was 104.8MB in the beginning and 81.4MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.86ms. Allocated memory is still 151.0MB. Free memory was 81.4MB in the beginning and 78.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.78ms. Allocated memory is still 151.0MB. Free memory was 78.5MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1015.43ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 76.4MB in the beginning and 153.1MB in the end (delta: -76.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7437.00ms. Allocated memory was 201.3MB in the beginning and 734.0MB in the end (delta: 532.7MB). Free memory was 152.3MB in the beginning and 523.6MB in the end (delta: -371.2MB). Peak memory consumption was 263.7MB. Max. memory is 16.1GB. * Witness Printer took 71.91ms. Allocated memory is still 734.0MB. Free memory was 523.6MB in the beginning and 520.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 776]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 776]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 806]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 806]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: 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 9 procedures, 184 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 288 IncrementalHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 17 mSDtfsCounter, 288 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=421occurred in iteration=2, InterpolantAutomatonStates: 22, 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, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 335 NumberOfCodeBlocks, 335 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 330 ConstructedInterpolants, 0 QuantifiedInterpolants, 910 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 16:23:32,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f7d927-b266-4c1a-aae9-bc971506f72d/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