./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/17_szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/17_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d000bd3a81a7401f4ccb21c2696e2644e9236d2ccbd2094291c987ec91aaa92 --- 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-2329fc7 [2022-12-14 13:46:34,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:46:34,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:46:34,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:46:34,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:46:34,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:46:34,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:46:34,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:46:34,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:46:34,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:46:34,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:46:34,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:46:34,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:46:34,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:46:34,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:46:34,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:46:34,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:46:34,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:46:34,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:46:34,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:46:34,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:46:34,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:46:34,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:46:34,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:46:34,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:46:34,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:46:34,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:46:34,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:46:34,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:46:34,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:46:34,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:46:34,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:46:34,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:46:34,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:46:34,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:46:34,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:46:34,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:46:34,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:46:34,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:46:34,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:46:34,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:46:34,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 13:46:34,335 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:46:34,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:46:34,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:46:34,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:46:34,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:46:34,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:46:34,337 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:46:34,337 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:46:34,337 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:46:34,337 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:46:34,338 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:46:34,338 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:46:34,338 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:46:34,338 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:46:34,339 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:46:34,339 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:46:34,339 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:46:34,339 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:46:34,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:46:34,341 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 13:46:34,341 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 13:46:34,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:46:34,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 13:46:34,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:46:34,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:46:34,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:46:34,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:46:34,342 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 13:46:34,342 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 13:46:34,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:46:34,342 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:46:34,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:46:34,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:46:34,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:46:34,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:46:34,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:46:34,343 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:46:34,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:46:34,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:46:34,344 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:46:34,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:46:34,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:46:34,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:46:34,344 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_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d000bd3a81a7401f4ccb21c2696e2644e9236d2ccbd2094291c987ec91aaa92 [2022-12-14 13:46:34,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:46:34,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:46:34,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:46:34,527 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:46:34,527 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:46:34,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/17_szymanski.i [2022-12-14 13:46:37,094 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:46:37,302 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:46:37,302 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/sv-benchmarks/c/pthread-ext/17_szymanski.i [2022-12-14 13:46:37,311 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh/data/7797ad0c0/77dee44c272249dda74af6aa8041ac8d/FLAG6b662e6cd [2022-12-14 13:46:37,322 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh/data/7797ad0c0/77dee44c272249dda74af6aa8041ac8d [2022-12-14 13:46:37,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:46:37,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:46:37,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:46:37,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:46:37,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:46:37,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:46:37" (1/1) ... [2022-12-14 13:46:37,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a73424e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:46:37, skipping insertion in model container [2022-12-14 13:46:37,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:46:37" (1/1) ... [2022-12-14 13:46:37,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:46:37,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:46:37,561 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_efd33444-d4b2-478a-80d3-394cfd88c494/sv-benchmarks/c/pthread-ext/17_szymanski.i[30132,30145] [2022-12-14 13:46:37,564 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_efd33444-d4b2-478a-80d3-394cfd88c494/sv-benchmarks/c/pthread-ext/17_szymanski.i[30481,30494] [2022-12-14 13:46:37,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:46:37,575 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:46:37,599 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_efd33444-d4b2-478a-80d3-394cfd88c494/sv-benchmarks/c/pthread-ext/17_szymanski.i[30132,30145] [2022-12-14 13:46:37,602 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_efd33444-d4b2-478a-80d3-394cfd88c494/sv-benchmarks/c/pthread-ext/17_szymanski.i[30481,30494] [2022-12-14 13:46:37,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:46:37,624 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:46:37,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:46:37 WrapperNode [2022-12-14 13:46:37,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:46:37,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:46:37,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:46:37,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:46:37,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:46:37" (1/1) ... [2022-12-14 13:46:37,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:46:37" (1/1) ... [2022-12-14 13:46:37,654 INFO L138 Inliner]: procedures = 167, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 104 [2022-12-14 13:46:37,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:46:37,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:46:37,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:46:37,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:46:37,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:46:37" (1/1) ... [2022-12-14 13:46:37,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:46:37" (1/1) ... [2022-12-14 13:46:37,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:46:37" (1/1) ... [2022-12-14 13:46:37,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:46:37" (1/1) ... [2022-12-14 13:46:37,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:46:37" (1/1) ... [2022-12-14 13:46:37,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:46:37" (1/1) ... [2022-12-14 13:46:37,672 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:46:37" (1/1) ... [2022-12-14 13:46:37,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:46:37" (1/1) ... [2022-12-14 13:46:37,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:46:37,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:46:37,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:46:37,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:46:37,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:46:37" (1/1) ... [2022-12-14 13:46:37,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:46:37,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:46:37,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:46:37,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:46:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 13:46:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 13:46:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 13:46:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:46:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 13:46:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 13:46:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:46:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:46:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:46:37,734 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 13:46:37,834 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:46:37,836 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:46:38,043 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:46:38,051 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:46:38,052 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-12-14 13:46:38,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:46:38 BoogieIcfgContainer [2022-12-14 13:46:38,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:46:38,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:46:38,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:46:38,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:46:38,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:46:37" (1/3) ... [2022-12-14 13:46:38,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@398b23ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:46:38, skipping insertion in model container [2022-12-14 13:46:38,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:46:37" (2/3) ... [2022-12-14 13:46:38,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@398b23ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:46:38, skipping insertion in model container [2022-12-14 13:46:38,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:46:38" (3/3) ... [2022-12-14 13:46:38,059 INFO L112 eAbstractionObserver]: Analyzing ICFG 17_szymanski.i [2022-12-14 13:46:38,065 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 13:46:38,072 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:46:38,073 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-12-14 13:46:38,073 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 13:46:38,124 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 13:46:38,148 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 13:46:38,159 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 209 transitions, 423 flow [2022-12-14 13:46:38,161 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 209 transitions, 423 flow [2022-12-14 13:46:38,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 187 places, 209 transitions, 423 flow [2022-12-14 13:46:38,216 INFO L130 PetriNetUnfolder]: 26/208 cut-off events. [2022-12-14 13:46:38,216 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 13:46:38,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 208 events. 26/208 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 493 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 188. Up to 3 conditions per place. [2022-12-14 13:46:38,228 INFO L119 LiptonReduction]: Number of co-enabled transitions 17574 [2022-12-14 13:46:39,688 INFO L134 LiptonReduction]: Checked pairs total: 87373 [2022-12-14 13:46:39,689 INFO L136 LiptonReduction]: Total number of compositions: 103 [2022-12-14 13:46:39,696 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 111 places, 130 transitions, 265 flow [2022-12-14 13:46:39,788 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2810 states, 2615 states have (on average 2.573996175908222) internal successors, (6731), 2809 states have internal predecessors, (6731), 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) [2022-12-14 13:46:39,805 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:46:39,811 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=FINITE_AUTOMATA, 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;@76362810, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:46:39,811 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2022-12-14 13:46:39,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 2810 states, 2615 states have (on average 2.573996175908222) internal successors, (6731), 2809 states have internal predecessors, (6731), 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) [2022-12-14 13:46:39,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 13:46:39,825 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:46:39,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 13:46:39,826 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-12-14 13:46:39,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:46:39,831 INFO L85 PathProgramCache]: Analyzing trace with hash 735830554, now seen corresponding path program 1 times [2022-12-14 13:46:39,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:46:39,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641827390] [2022-12-14 13:46:39,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:46:39,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:46:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:46:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:46:39,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:46:39,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641827390] [2022-12-14 13:46:39,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641827390] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:46:39,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:46:39,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:46:39,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010804492] [2022-12-14 13:46:39,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:46:39,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:46:39,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:46:40,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:46:40,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:46:40,018 INFO L87 Difference]: Start difference. First operand has 2810 states, 2615 states have (on average 2.573996175908222) internal successors, (6731), 2809 states have internal predecessors, (6731), 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) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-14 13:46:40,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:46:40,150 INFO L93 Difference]: Finished difference Result 2756 states and 6140 transitions. [2022-12-14 13:46:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:46:40,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2022-12-14 13:46:40,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:46:40,177 INFO L225 Difference]: With dead ends: 2756 [2022-12-14 13:46:40,177 INFO L226 Difference]: Without dead ends: 2756 [2022-12-14 13:46:40,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:46:40,181 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 52 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:46:40,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 166 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:46:40,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2022-12-14 13:46:40,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 2756. [2022-12-14 13:46:40,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 2587 states have (on average 2.373405488983378) internal successors, (6140), 2755 states have internal predecessors, (6140), 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) [2022-12-14 13:46:40,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 6140 transitions. [2022-12-14 13:46:40,299 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 6140 transitions. Word has length 6 [2022-12-14 13:46:40,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:46:40,300 INFO L495 AbstractCegarLoop]: Abstraction has 2756 states and 6140 transitions. [2022-12-14 13:46:40,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-14 13:46:40,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 6140 transitions. [2022-12-14 13:46:40,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 13:46:40,300 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:46:40,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 13:46:40,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:46:40,301 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-12-14 13:46:40,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:46:40,302 INFO L85 PathProgramCache]: Analyzing trace with hash 730239033, now seen corresponding path program 1 times [2022-12-14 13:46:40,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:46:40,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905238386] [2022-12-14 13:46:40,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:46:40,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:46:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:46:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:46:40,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:46:40,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905238386] [2022-12-14 13:46:40,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905238386] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:46:40,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:46:40,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:46:40,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111576710] [2022-12-14 13:46:40,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:46:40,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:46:40,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:46:40,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:46:40,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:46:40,355 INFO L87 Difference]: Start difference. First operand 2756 states and 6140 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-14 13:46:40,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:46:40,453 INFO L93 Difference]: Finished difference Result 2803 states and 6240 transitions. [2022-12-14 13:46:40,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:46:40,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2022-12-14 13:46:40,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:46:40,467 INFO L225 Difference]: With dead ends: 2803 [2022-12-14 13:46:40,467 INFO L226 Difference]: Without dead ends: 2803 [2022-12-14 13:46:40,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:46:40,468 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 52 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:46:40,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 162 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:46:40,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2022-12-14 13:46:40,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2803. [2022-12-14 13:46:40,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2803 states, 2635 states have (on average 2.3681214421252372) internal successors, (6240), 2802 states have internal predecessors, (6240), 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) [2022-12-14 13:46:40,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 6240 transitions. [2022-12-14 13:46:40,530 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 6240 transitions. Word has length 6 [2022-12-14 13:46:40,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:46:40,530 INFO L495 AbstractCegarLoop]: Abstraction has 2803 states and 6240 transitions. [2022-12-14 13:46:40,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-14 13:46:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 6240 transitions. [2022-12-14 13:46:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 13:46:40,531 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:46:40,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:46:40,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 13:46:40,531 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-12-14 13:46:40,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:46:40,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1536257874, now seen corresponding path program 1 times [2022-12-14 13:46:40,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:46:40,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157193755] [2022-12-14 13:46:40,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:46:40,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:46:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:46:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:46:40,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:46:40,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157193755] [2022-12-14 13:46:40,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157193755] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:46:40,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:46:40,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:46:40,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873774201] [2022-12-14 13:46:40,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:46:40,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:46:40,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:46:40,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:46:40,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:46:40,576 INFO L87 Difference]: Start difference. First operand 2803 states and 6240 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-14 13:46:40,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:46:40,686 INFO L93 Difference]: Finished difference Result 5059 states and 11328 transitions. [2022-12-14 13:46:40,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:46:40,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) Word has length 8 [2022-12-14 13:46:40,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:46:40,706 INFO L225 Difference]: With dead ends: 5059 [2022-12-14 13:46:40,706 INFO L226 Difference]: Without dead ends: 5059 [2022-12-14 13:46:40,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:46:40,707 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 98 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:46:40,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 165 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:46:40,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5059 states. [2022-12-14 13:46:40,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5059 to 3079. [2022-12-14 13:46:40,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 2917 states have (on average 2.340761055879328) internal successors, (6828), 3078 states have internal predecessors, (6828), 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) [2022-12-14 13:46:40,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 6828 transitions. [2022-12-14 13:46:40,773 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 6828 transitions. Word has length 8 [2022-12-14 13:46:40,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:46:40,774 INFO L495 AbstractCegarLoop]: Abstraction has 3079 states and 6828 transitions. [2022-12-14 13:46:40,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-14 13:46:40,774 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 6828 transitions. [2022-12-14 13:46:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 13:46:40,774 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:46:40,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:46:40,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 13:46:40,775 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-12-14 13:46:40,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:46:40,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1680153085, now seen corresponding path program 1 times [2022-12-14 13:46:40,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:46:40,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399229782] [2022-12-14 13:46:40,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:46:40,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:46:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:46:40,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:46:40,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:46:40,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399229782] [2022-12-14 13:46:40,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399229782] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:46:40,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:46:40,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:46:40,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654596410] [2022-12-14 13:46:40,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:46:40,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:46:40,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:46:40,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:46:40,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:46:40,801 INFO L87 Difference]: Start difference. First operand 3079 states and 6828 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-14 13:46:40,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:46:40,914 INFO L93 Difference]: Finished difference Result 5161 states and 11532 transitions. [2022-12-14 13:46:40,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:46:40,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) Word has length 8 [2022-12-14 13:46:40,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:46:40,936 INFO L225 Difference]: With dead ends: 5161 [2022-12-14 13:46:40,937 INFO L226 Difference]: Without dead ends: 5161 [2022-12-14 13:46:40,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:46:40,938 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 98 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:46:40,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 166 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:46:40,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5161 states. [2022-12-14 13:46:41,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5161 to 3247. [2022-12-14 13:46:41,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3247 states, 3127 states have (on average 2.3025263831148064) internal successors, (7200), 3246 states have internal predecessors, (7200), 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) [2022-12-14 13:46:41,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 3247 states and 7200 transitions. [2022-12-14 13:46:41,028 INFO L78 Accepts]: Start accepts. Automaton has 3247 states and 7200 transitions. Word has length 8 [2022-12-14 13:46:41,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:46:41,028 INFO L495 AbstractCegarLoop]: Abstraction has 3247 states and 7200 transitions. [2022-12-14 13:46:41,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-14 13:46:41,028 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 7200 transitions. [2022-12-14 13:46:41,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 13:46:41,028 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:46:41,029 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:46:41,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 13:46:41,029 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-12-14 13:46:41,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:46:41,029 INFO L85 PathProgramCache]: Analyzing trace with hash 76353507, now seen corresponding path program 1 times [2022-12-14 13:46:41,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:46:41,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157277685] [2022-12-14 13:46:41,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:46:41,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:46:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 13:46:41,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 13:46:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 13:46:41,057 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 13:46:41,057 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 13:46:41,058 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2022-12-14 13:46:41,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2022-12-14 13:46:41,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2022-12-14 13:46:41,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2022-12-14 13:46:41,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2022-12-14 13:46:41,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2022-12-14 13:46:41,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2022-12-14 13:46:41,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2022-12-14 13:46:41,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2022-12-14 13:46:41,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2022-12-14 13:46:41,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2022-12-14 13:46:41,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2022-12-14 13:46:41,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2022-12-14 13:46:41,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2022-12-14 13:46:41,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2022-12-14 13:46:41,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2022-12-14 13:46:41,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2022-12-14 13:46:41,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2022-12-14 13:46:41,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2022-12-14 13:46:41,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2022-12-14 13:46:41,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2022-12-14 13:46:41,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2022-12-14 13:46:41,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2022-12-14 13:46:41,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2022-12-14 13:46:41,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2022-12-14 13:46:41,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2022-12-14 13:46:41,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 40 remaining) [2022-12-14 13:46:41,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2022-12-14 13:46:41,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2022-12-14 13:46:41,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2022-12-14 13:46:41,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2022-12-14 13:46:41,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2022-12-14 13:46:41,063 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2022-12-14 13:46:41,063 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2022-12-14 13:46:41,063 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2022-12-14 13:46:41,063 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2022-12-14 13:46:41,063 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2022-12-14 13:46:41,063 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2022-12-14 13:46:41,063 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2022-12-14 13:46:41,063 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2022-12-14 13:46:41,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 13:46:41,065 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-14 13:46:41,070 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 13:46:41,070 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 13:46:41,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 01:46:41 BasicIcfg [2022-12-14 13:46:41,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 13:46:41,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 13:46:41,086 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 13:46:41,086 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 13:46:41,086 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:46:38" (3/4) ... [2022-12-14 13:46:41,088 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 13:46:41,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 13:46:41,088 INFO L158 Benchmark]: Toolchain (without parser) took 3763.98ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 96.1MB in the beginning and 60.9MB in the end (delta: 35.2MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2022-12-14 13:46:41,089 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:46:41,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.42ms. Allocated memory is still 132.1MB. Free memory was 95.9MB in the beginning and 76.3MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 13:46:41,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.86ms. Allocated memory is still 132.1MB. Free memory was 76.3MB in the beginning and 74.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 13:46:41,089 INFO L158 Benchmark]: Boogie Preprocessor took 19.92ms. Allocated memory is still 132.1MB. Free memory was 74.1MB in the beginning and 72.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 13:46:41,089 INFO L158 Benchmark]: RCFGBuilder took 378.10ms. Allocated memory is still 132.1MB. Free memory was 72.5MB in the beginning and 97.3MB in the end (delta: -24.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-12-14 13:46:41,090 INFO L158 Benchmark]: TraceAbstraction took 3030.45ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 96.5MB in the beginning and 60.9MB in the end (delta: 35.6MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2022-12-14 13:46:41,090 INFO L158 Benchmark]: Witness Printer took 2.61ms. Allocated memory is still 159.4MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:46:41,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.42ms. Allocated memory is still 132.1MB. Free memory was 95.9MB in the beginning and 76.3MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.86ms. Allocated memory is still 132.1MB. Free memory was 76.3MB in the beginning and 74.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.92ms. Allocated memory is still 132.1MB. Free memory was 74.1MB in the beginning and 72.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.10ms. Allocated memory is still 132.1MB. Free memory was 72.5MB in the beginning and 97.3MB in the end (delta: -24.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3030.45ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 96.5MB in the beginning and 60.9MB in the end (delta: 35.6MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Witness Printer took 2.61ms. Allocated memory is still 159.4MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.5s, 187 PlacesBefore, 111 PlacesAfterwards, 209 TransitionsBefore, 130 TransitionsAfterwards, 17574 CoEnabledTransitionPairs, 6 FixpointIterations, 18 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 3 ChoiceCompositions, 103 TotalNumberOfCompositions, 87373 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24515, independent: 23358, independent conditional: 0, independent unconditional: 23358, dependent: 1157, dependent conditional: 0, dependent unconditional: 1157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10108, independent: 9893, independent conditional: 0, independent unconditional: 9893, dependent: 215, dependent conditional: 0, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10108, independent: 9749, independent conditional: 0, independent unconditional: 9749, dependent: 359, dependent conditional: 0, dependent unconditional: 359, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 359, independent: 144, independent conditional: 0, independent unconditional: 144, dependent: 215, dependent conditional: 0, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 253, independent: 76, independent conditional: 0, independent unconditional: 76, dependent: 177, dependent conditional: 0, dependent unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24515, independent: 13465, independent conditional: 0, independent unconditional: 13465, dependent: 942, dependent conditional: 0, dependent unconditional: 942, unknown: 10108, unknown conditional: 0, unknown unconditional: 10108] , Statistics on independence cache: Total cache size (in pairs): 2412, Positive cache size: 2271, Positive conditional cache size: 0, Positive unconditional cache size: 2271, Negative cache size: 141, Negative conditional cache size: 0, Negative unconditional cache size: 141, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 707]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int flag1 = 0, flag2 = 0; [L685] 0 int x; [L724] 0 pthread_t t; [L725] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [arg={0:0}, flag1=0, flag2=0, pthread_create(&t, 0, thr1, 0)=-1, t={3:0}, x=0] [L726] CALL 0 thr2(0) [L687] COND TRUE 1 1 [L688] 1 flag1 = 1 VAL [arg={0:0}, arg={0:0}, flag1=1, flag2=0, x=0] [L705] COND TRUE 0 1 [L706] 0 flag2 = 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, flag1=1, flag2=1, x=0] [L707] 0 flag1 >= 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, flag1=1, flag2=1, x=0] [L688] 1 flag1 = 1 VAL [arg={0:0}, arg={0:0}, flag1=1, flag1 = 1=50, flag2=1, x=0] [L707] 0 flag1 >= 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, flag1=1, flag1 = 1=50, flag2=1, x=0] Now there is a data race on ~flag1~0 between C: flag1 = 1 [688] and C: flag1 >= 3 [707] - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 713]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 717]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 718]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 717]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 725]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 260 locations, 40 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 300 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 300 mSDsluCounter, 659 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 224 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 519 IncrementalHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 435 mSDtfsCounter, 519 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3247occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 3894 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 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 RESULT: Ultimate proved your program to be incorrect! [2022-12-14 13:46:41,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd33444-d4b2-478a-80d3-394cfd88c494/bin/utaipan-gh47qXpMRh/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE