./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8 --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 80bd490b89eb696c85e417e2f0348670cfb7c8195637276a01d1016d9277f95a --- 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-e04fb08 [2022-11-16 11:42:58,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:42:58,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:42:58,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:42:58,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:42:58,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:42:58,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:42:58,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:42:58,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:42:58,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:42:58,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:42:58,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:42:58,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:42:58,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:42:58,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:42:58,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:42:58,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:42:58,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:42:58,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:42:58,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:42:58,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:42:58,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:42:58,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:42:58,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:42:58,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:42:58,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:42:58,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:42:58,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:42:58,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:42:58,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:42:58,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:42:58,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:42:58,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:42:58,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:42:58,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:42:58,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:42:58,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:42:58,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:42:58,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:42:58,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:42:58,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:42:58,454 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-16 11:42:58,480 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:42:58,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:42:58,481 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:42:58,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:42:58,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:42:58,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:42:58,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:42:58,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:42:58,484 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:42:58,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:42:58,485 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:42:58,485 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:42:58,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:42:58,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:42:58,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:42:58,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:42:58,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:42:58,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:42:58,488 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 11:42:58,488 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:42:58,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:42:58,488 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:42:58,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:42:58,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:42:58,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:42:58,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:42:58,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:42:58,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:42:58,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:42:58,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:42:58,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:42:58,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:42:58,491 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:42:58,492 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:42:58,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:42:58,503 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_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80bd490b89eb696c85e417e2f0348670cfb7c8195637276a01d1016d9277f95a [2022-11-16 11:42:58,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:42:58,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:42:58,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:42:58,852 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:42:58,853 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:42:58,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i [2022-11-16 11:42:58,948 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/data/b105679fc/3c7333ba4c6e45cfaea9795eaa1bd140/FLAGd757ea81c [2022-11-16 11:42:59,598 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:42:59,599 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/sv-benchmarks/c/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i [2022-11-16 11:42:59,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/data/b105679fc/3c7333ba4c6e45cfaea9795eaa1bd140/FLAGd757ea81c [2022-11-16 11:42:59,832 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/data/b105679fc/3c7333ba4c6e45cfaea9795eaa1bd140 [2022-11-16 11:42:59,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:42:59,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:42:59,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:42:59,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:42:59,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:42:59,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:59" (1/1) ... [2022-11-16 11:42:59,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@737e579c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:59, skipping insertion in model container [2022-11-16 11:42:59,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:59" (1/1) ... [2022-11-16 11:42:59,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:42:59,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:43:00,250 WARN L229 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_86172f65-479a-44ce-83e2-0c533e622ddf/sv-benchmarks/c/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i[974,987] [2022-11-16 11:43:00,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:43:00,632 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:43:00,655 WARN L229 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_86172f65-479a-44ce-83e2-0c533e622ddf/sv-benchmarks/c/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i[974,987] [2022-11-16 11:43:00,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:43:00,782 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:43:00,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:00 WrapperNode [2022-11-16 11:43:00,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:43:00,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:43:00,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:43:00,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:43:00,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:00" (1/1) ... [2022-11-16 11:43:00,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:00" (1/1) ... [2022-11-16 11:43:00,871 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 151 [2022-11-16 11:43:00,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:43:00,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:43:00,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:43:00,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:43:00,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:00" (1/1) ... [2022-11-16 11:43:00,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:00" (1/1) ... [2022-11-16 11:43:00,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:00" (1/1) ... [2022-11-16 11:43:00,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:00" (1/1) ... [2022-11-16 11:43:00,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:00" (1/1) ... [2022-11-16 11:43:00,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:00" (1/1) ... [2022-11-16 11:43:00,946 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:00" (1/1) ... [2022-11-16 11:43:00,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:00" (1/1) ... [2022-11-16 11:43:00,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:43:00,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:43:00,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:43:00,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:43:00,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:00" (1/1) ... [2022-11-16 11:43:00,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:43:00,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:43:01,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:43:01,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:43:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:43:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:43:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:43:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:43:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:43:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-16 11:43:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-16 11:43:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-16 11:43:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-16 11:43:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-16 11:43:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-16 11:43:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:43:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:43:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:43:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:43:01,097 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:43:01,398 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:43:01,403 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:43:01,855 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:43:02,205 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:43:02,206 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:43:02,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:43:02 BoogieIcfgContainer [2022-11-16 11:43:02,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:43:02,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:43:02,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:43:02,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:43:02,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:42:59" (1/3) ... [2022-11-16 11:43:02,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4131d999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:02, skipping insertion in model container [2022-11-16 11:43:02,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:00" (2/3) ... [2022-11-16 11:43:02,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4131d999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:02, skipping insertion in model container [2022-11-16 11:43:02,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:43:02" (3/3) ... [2022-11-16 11:43:02,223 INFO L112 eAbstractionObserver]: Analyzing ICFG mix003_power.opt_pso.opt_rmo.opt_tso.opt.i [2022-11-16 11:43:02,232 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:43:02,245 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:43:02,245 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-16 11:43:02,245 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:43:02,344 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:43:02,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 130 places, 122 transitions, 259 flow [2022-11-16 11:43:02,494 INFO L130 PetriNetUnfolder]: 2/119 cut-off events. [2022-11-16 11:43:02,494 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:43:02,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 119 events. 2/119 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2022-11-16 11:43:02,513 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 122 transitions, 259 flow [2022-11-16 11:43:02,521 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 119 transitions, 247 flow [2022-11-16 11:43:02,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:43:02,555 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;@23e52855, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:43:02,556 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-16 11:43:02,582 INFO L130 PetriNetUnfolder]: 0/53 cut-off events. [2022-11-16 11:43:02,582 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:43:02,583 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:02,583 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] [2022-11-16 11:43:02,584 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 11:43:02,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:02,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2126396461, now seen corresponding path program 1 times [2022-11-16 11:43:02,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:02,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984449515] [2022-11-16 11:43:02,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:02,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:03,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:03,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984449515] [2022-11-16 11:43:03,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984449515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:03,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:03,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:43:03,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659983918] [2022-11-16 11:43:03,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:03,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:43:03,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:03,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:43:03,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:43:03,204 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 122 [2022-11-16 11:43:03,212 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 119 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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) [2022-11-16 11:43:03,212 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:03,213 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 122 [2022-11-16 11:43:03,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:43:03,744 INFO L130 PetriNetUnfolder]: 372/875 cut-off events. [2022-11-16 11:43:03,744 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-16 11:43:03,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 875 events. 372/875 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5682 event pairs, 81 based on Foata normal form. 139/824 useless extension candidates. Maximal degree in co-relation 1464. Up to 562 conditions per place. [2022-11-16 11:43:03,765 INFO L137 encePairwiseOnDemand]: 110/122 looper letters, 26 selfloop transitions, 4 changer transitions 0/127 dead transitions. [2022-11-16 11:43:03,767 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 127 transitions, 329 flow [2022-11-16 11:43:03,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:43:03,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:43:03,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 340 transitions. [2022-11-16 11:43:03,792 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9289617486338798 [2022-11-16 11:43:03,793 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 340 transitions. [2022-11-16 11:43:03,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 340 transitions. [2022-11-16 11:43:03,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:03,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 340 transitions. [2022-11-16 11:43:03,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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) [2022-11-16 11:43:03,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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) [2022-11-16 11:43:03,821 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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) [2022-11-16 11:43:03,823 INFO L175 Difference]: Start difference. First operand has 127 places, 119 transitions, 247 flow. Second operand 3 states and 340 transitions. [2022-11-16 11:43:03,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 127 transitions, 329 flow [2022-11-16 11:43:03,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 127 transitions, 324 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-16 11:43:03,836 INFO L231 Difference]: Finished difference. Result has 126 places, 119 transitions, 274 flow [2022-11-16 11:43:03,839 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=126, PETRI_TRANSITIONS=119} [2022-11-16 11:43:03,847 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -1 predicate places. [2022-11-16 11:43:03,847 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 119 transitions, 274 flow [2022-11-16 11:43:03,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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) [2022-11-16 11:43:03,848 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:03,850 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] [2022-11-16 11:43:03,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:43:03,850 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 11:43:03,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:03,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1554554824, now seen corresponding path program 1 times [2022-11-16 11:43:03,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:03,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359567279] [2022-11-16 11:43:03,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:03,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:04,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:04,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:04,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359567279] [2022-11-16 11:43:04,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359567279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:04,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:04,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:43:04,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631574326] [2022-11-16 11:43:04,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:04,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:43:04,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:04,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:43:04,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:43:04,172 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 122 [2022-11-16 11:43:04,173 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 119 transitions, 274 flow. Second operand has 4 states, 4 states have (on average 101.5) internal successors, (406), 4 states have internal predecessors, (406), 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) [2022-11-16 11:43:04,173 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:04,173 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 122 [2022-11-16 11:43:04,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:43:04,503 INFO L130 PetriNetUnfolder]: 252/687 cut-off events. [2022-11-16 11:43:04,503 INFO L131 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2022-11-16 11:43:04,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1388 conditions, 687 events. 252/687 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 4255 event pairs, 33 based on Foata normal form. 0/595 useless extension candidates. Maximal degree in co-relation 1333. Up to 258 conditions per place. [2022-11-16 11:43:04,515 INFO L137 encePairwiseOnDemand]: 112/122 looper letters, 30 selfloop transitions, 10 changer transitions 3/140 dead transitions. [2022-11-16 11:43:04,515 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 140 transitions, 420 flow [2022-11-16 11:43:04,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:43:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-16 11:43:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 446 transitions. [2022-11-16 11:43:04,520 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9139344262295082 [2022-11-16 11:43:04,520 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 446 transitions. [2022-11-16 11:43:04,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 446 transitions. [2022-11-16 11:43:04,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:04,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 446 transitions. [2022-11-16 11:43:04,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 111.5) internal successors, (446), 4 states have internal predecessors, (446), 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) [2022-11-16 11:43:04,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 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) [2022-11-16 11:43:04,528 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 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) [2022-11-16 11:43:04,529 INFO L175 Difference]: Start difference. First operand has 126 places, 119 transitions, 274 flow. Second operand 4 states and 446 transitions. [2022-11-16 11:43:04,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 140 transitions, 420 flow [2022-11-16 11:43:04,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 140 transitions, 416 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:43:04,536 INFO L231 Difference]: Finished difference. Result has 130 places, 122 transitions, 330 flow [2022-11-16 11:43:04,537 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=330, PETRI_PLACES=130, PETRI_TRANSITIONS=122} [2022-11-16 11:43:04,538 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, 3 predicate places. [2022-11-16 11:43:04,538 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 122 transitions, 330 flow [2022-11-16 11:43:04,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 101.5) internal successors, (406), 4 states have internal predecessors, (406), 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) [2022-11-16 11:43:04,539 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:04,539 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] [2022-11-16 11:43:04,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:43:04,540 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 11:43:04,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:04,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1554554825, now seen corresponding path program 1 times [2022-11-16 11:43:04,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:04,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725934996] [2022-11-16 11:43:04,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:04,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:04,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:04,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725934996] [2022-11-16 11:43:04,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725934996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:04,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:04,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:43:04,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256123230] [2022-11-16 11:43:04,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:04,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:43:04,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:04,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:43:04,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:43:04,775 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 122 [2022-11-16 11:43:04,776 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 122 transitions, 330 flow. Second operand has 4 states, 4 states have (on average 101.5) internal successors, (406), 4 states have internal predecessors, (406), 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) [2022-11-16 11:43:04,776 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:04,776 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 122 [2022-11-16 11:43:04,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:43:05,032 INFO L130 PetriNetUnfolder]: 154/491 cut-off events. [2022-11-16 11:43:05,032 INFO L131 PetriNetUnfolder]: For 334/334 co-relation queries the response was YES. [2022-11-16 11:43:05,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1018 conditions, 491 events. 154/491 cut-off events. For 334/334 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2659 event pairs, 24 based on Foata normal form. 53/532 useless extension candidates. Maximal degree in co-relation 960. Up to 207 conditions per place. [2022-11-16 11:43:05,039 INFO L137 encePairwiseOnDemand]: 115/122 looper letters, 23 selfloop transitions, 4 changer transitions 0/124 dead transitions. [2022-11-16 11:43:05,040 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 124 transitions, 362 flow [2022-11-16 11:43:05,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:43:05,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-16 11:43:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 430 transitions. [2022-11-16 11:43:05,044 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8811475409836066 [2022-11-16 11:43:05,045 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 430 transitions. [2022-11-16 11:43:05,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 430 transitions. [2022-11-16 11:43:05,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:05,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 430 transitions. [2022-11-16 11:43:05,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 107.5) internal successors, (430), 4 states have internal predecessors, (430), 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) [2022-11-16 11:43:05,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 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) [2022-11-16 11:43:05,050 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 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) [2022-11-16 11:43:05,050 INFO L175 Difference]: Start difference. First operand has 130 places, 122 transitions, 330 flow. Second operand 4 states and 430 transitions. [2022-11-16 11:43:05,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 124 transitions, 362 flow [2022-11-16 11:43:05,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 124 transitions, 344 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-11-16 11:43:05,061 INFO L231 Difference]: Finished difference. Result has 127 places, 116 transitions, 278 flow [2022-11-16 11:43:05,062 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=278, PETRI_PLACES=127, PETRI_TRANSITIONS=116} [2022-11-16 11:43:05,065 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, 0 predicate places. [2022-11-16 11:43:05,065 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 116 transitions, 278 flow [2022-11-16 11:43:05,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 101.5) internal successors, (406), 4 states have internal predecessors, (406), 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) [2022-11-16 11:43:05,066 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:05,066 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] [2022-11-16 11:43:05,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:43:05,067 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 11:43:05,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:05,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1285714247, now seen corresponding path program 1 times [2022-11-16 11:43:05,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:05,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843578040] [2022-11-16 11:43:05,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:05,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:05,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:05,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:05,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843578040] [2022-11-16 11:43:05,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843578040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:05,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:05,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:43:05,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800646816] [2022-11-16 11:43:05,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:05,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:43:05,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:05,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:43:05,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:43:05,331 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 122 [2022-11-16 11:43:05,332 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 116 transitions, 278 flow. Second operand has 5 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) [2022-11-16 11:43:05,332 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:05,333 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 122 [2022-11-16 11:43:05,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:43:05,571 INFO L130 PetriNetUnfolder]: 148/474 cut-off events. [2022-11-16 11:43:05,571 INFO L131 PetriNetUnfolder]: For 275/275 co-relation queries the response was YES. [2022-11-16 11:43:05,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 925 conditions, 474 events. 148/474 cut-off events. For 275/275 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2272 event pairs, 54 based on Foata normal form. 9/461 useless extension candidates. Maximal degree in co-relation 868. Up to 121 conditions per place. [2022-11-16 11:43:05,574 INFO L137 encePairwiseOnDemand]: 115/122 looper letters, 0 selfloop transitions, 0 changer transitions 128/128 dead transitions. [2022-11-16 11:43:05,574 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 128 transitions, 358 flow [2022-11-16 11:43:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:43:05,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-16 11:43:05,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 534 transitions. [2022-11-16 11:43:05,577 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8754098360655738 [2022-11-16 11:43:05,577 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 534 transitions. [2022-11-16 11:43:05,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 534 transitions. [2022-11-16 11:43:05,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:05,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 534 transitions. [2022-11-16 11:43:05,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 106.8) internal successors, (534), 5 states have internal predecessors, (534), 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) [2022-11-16 11:43:05,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 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) [2022-11-16 11:43:05,585 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 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) [2022-11-16 11:43:05,586 INFO L175 Difference]: Start difference. First operand has 127 places, 116 transitions, 278 flow. Second operand 5 states and 534 transitions. [2022-11-16 11:43:05,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 128 transitions, 358 flow [2022-11-16 11:43:05,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 128 transitions, 343 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:43:05,590 INFO L231 Difference]: Finished difference. Result has 124 places, 0 transitions, 0 flow [2022-11-16 11:43:05,596 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=124, PETRI_TRANSITIONS=0} [2022-11-16 11:43:05,597 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -3 predicate places. [2022-11-16 11:43:05,598 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 0 transitions, 0 flow [2022-11-16 11:43:05,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 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) [2022-11-16 11:43:05,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-16 11:43:05,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-16 11:43:05,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-16 11:43:05,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-16 11:43:05,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-16 11:43:05,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-16 11:43:05,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-16 11:43:05,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-16 11:43:05,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-16 11:43:05,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-16 11:43:05,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-16 11:43:05,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-16 11:43:05,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-16 11:43:05,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-16 11:43:05,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-16 11:43:05,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:43:05,608 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-16 11:43:05,615 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:43:05,615 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:43:05,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:43:05 BasicIcfg [2022-11-16 11:43:05,628 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:43:05,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:43:05,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:43:05,630 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:43:05,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:43:02" (3/4) ... [2022-11-16 11:43:05,634 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:43:05,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-16 11:43:05,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-16 11:43:05,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-16 11:43:05,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-16 11:43:05,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:43:05,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:43:05,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:43:05,706 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:43:05,706 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:43:05,707 INFO L158 Benchmark]: Toolchain (without parser) took 5870.62ms. Allocated memory was 117.4MB in the beginning and 186.6MB in the end (delta: 69.2MB). Free memory was 73.0MB in the beginning and 111.9MB in the end (delta: -38.9MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-11-16 11:43:05,707 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:43:05,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 944.02ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 79.0MB in the end (delta: -6.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:43:05,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.64ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:43:05,709 INFO L158 Benchmark]: Boogie Preprocessor took 80.18ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 74.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:43:05,709 INFO L158 Benchmark]: RCFGBuilder took 1256.47ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 82.8MB in the end (delta: -8.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-16 11:43:05,709 INFO L158 Benchmark]: TraceAbstraction took 3412.14ms. Allocated memory was 117.4MB in the beginning and 186.6MB in the end (delta: 69.2MB). Free memory was 82.2MB in the beginning and 115.0MB in the end (delta: -32.8MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2022-11-16 11:43:05,710 INFO L158 Benchmark]: Witness Printer took 77.08ms. Allocated memory is still 186.6MB. Free memory was 115.0MB in the beginning and 111.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:43:05,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 944.02ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 79.0MB in the end (delta: -6.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.64ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.18ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 74.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1256.47ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 82.8MB in the end (delta: -8.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3412.14ms. Allocated memory was 117.4MB in the beginning and 186.6MB in the end (delta: 69.2MB). Free memory was 82.2MB in the beginning and 115.0MB in the end (delta: -32.8MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Witness Printer took 77.08ms. Allocated memory is still 186.6MB. Free memory was 115.0MB in the beginning and 111.9MB 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: 757]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 757]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 788]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 788]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: 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, 154 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: 3.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 10 mSDtfsCounter, 165 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=330occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 559 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! [2022-11-16 11:43:05,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86172f65-479a-44ce-83e2-0c533e622ddf/bin/uautomizer-tPACEb0tL8/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