./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe019_power.opt.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_c1e17a71-0744-4c69-aab6-c07032fe08c9/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e17a71-0744-4c69-aab6-c07032fe08c9/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_c1e17a71-0744-4c69-aab6-c07032fe08c9/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e17a71-0744-4c69-aab6-c07032fe08c9/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe019_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e17a71-0744-4c69-aab6-c07032fe08c9/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_c1e17a71-0744-4c69-aab6-c07032fe08c9/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 57c8b47d74ada5c94291d16aafebbb644062493fff61510a323122bcd88ba5b1 --- 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 11:50:28,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:50:28,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:50:28,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:50:28,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:50:28,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:50:28,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:50:28,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:50:28,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:50:28,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:50:28,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:50:28,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:50:28,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:50:28,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:50:28,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:50:28,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:50:28,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:50:28,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:50:28,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:50:28,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:50:28,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:50:28,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:50:28,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:50:28,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:50:28,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:50:28,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:50:28,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:50:28,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:50:28,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:50:28,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:50:28,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:50:28,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:50:28,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:50:28,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:50:28,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:50:28,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:50:28,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:50:28,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:50:28,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:50:28,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:50:28,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:50:28,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e17a71-0744-4c69-aab6-c07032fe08c9/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 11:50:28,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:50:28,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:50:28,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:50:28,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:50:28,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:50:28,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:50:28,389 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:50:28,389 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:50:28,389 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:50:28,389 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:50:28,390 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:50:28,390 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:50:28,390 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:50:28,390 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:50:28,390 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:50:28,390 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:50:28,391 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:50:28,391 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:50:28,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:50:28,391 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:50:28,392 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:50:28,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:50:28,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:50:28,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:50:28,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:50:28,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:50:28,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:50:28,392 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 11:50:28,392 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:50:28,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:50:28,393 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:50:28,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:50:28,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:50:28,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:50:28,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:50:28,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:50:28,393 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:50:28,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:50:28,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:50:28,394 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:50:28,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:50:28,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:50:28,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:50:28,394 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_c1e17a71-0744-4c69-aab6-c07032fe08c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e17a71-0744-4c69-aab6-c07032fe08c9/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57c8b47d74ada5c94291d16aafebbb644062493fff61510a323122bcd88ba5b1 [2022-12-14 11:50:28,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:50:28,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:50:28,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:50:28,587 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:50:28,587 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:50:28,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e17a71-0744-4c69-aab6-c07032fe08c9/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/safe019_power.opt.i [2022-12-14 11:50:31,198 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:50:31,396 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:50:31,397 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e17a71-0744-4c69-aab6-c07032fe08c9/sv-benchmarks/c/pthread-wmm/safe019_power.opt.i [2022-12-14 11:50:31,408 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e17a71-0744-4c69-aab6-c07032fe08c9/bin/utaipan-gh47qXpMRh/data/5057e5adc/2a3c4a9a22b247a99a61eb89dde07048/FLAG49518ab56 [2022-12-14 11:50:31,419 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e17a71-0744-4c69-aab6-c07032fe08c9/bin/utaipan-gh47qXpMRh/data/5057e5adc/2a3c4a9a22b247a99a61eb89dde07048 [2022-12-14 11:50:31,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:50:31,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:50:31,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:50:31,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:50:31,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:50:31,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:50:31" (1/1) ... [2022-12-14 11:50:31,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b885ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:31, skipping insertion in model container [2022-12-14 11:50:31,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:50:31" (1/1) ... [2022-12-14 11:50:31,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:50:31,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:50:31,570 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_c1e17a71-0744-4c69-aab6-c07032fe08c9/sv-benchmarks/c/pthread-wmm/safe019_power.opt.i[994,1007] [2022-12-14 11:50:31,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,688 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,707 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,707 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,710 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,710 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,716 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,716 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,716 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,724 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,724 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,727 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:50:31,735 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:50:31,744 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_c1e17a71-0744-4c69-aab6-c07032fe08c9/sv-benchmarks/c/pthread-wmm/safe019_power.opt.i[994,1007] [2022-12-14 11:50:31,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,768 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,772 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,772 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,774 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,775 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,775 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,775 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,787 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,787 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,793 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,793 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,793 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,796 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,796 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,796 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,798 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:50:31,800 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:50:31,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:50:31,823 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:50:31,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:31 WrapperNode [2022-12-14 11:50:31,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:50:31,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:50:31,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:50:31,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:50:31,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:31" (1/1) ... [2022-12-14 11:50:31,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:31" (1/1) ... [2022-12-14 11:50:31,871 INFO L138 Inliner]: procedures = 177, calls = 88, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 574 [2022-12-14 11:50:31,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:50:31,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:50:31,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:50:31,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:50:31,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:31" (1/1) ... [2022-12-14 11:50:31,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:31" (1/1) ... [2022-12-14 11:50:31,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:31" (1/1) ... [2022-12-14 11:50:31,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:31" (1/1) ... [2022-12-14 11:50:31,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:31" (1/1) ... [2022-12-14 11:50:31,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:31" (1/1) ... [2022-12-14 11:50:31,919 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:31" (1/1) ... [2022-12-14 11:50:31,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:31" (1/1) ... [2022-12-14 11:50:31,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:50:31,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:50:31,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:50:31,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:50:31,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:31" (1/1) ... [2022-12-14 11:50:31,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:50:31,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e17a71-0744-4c69-aab6-c07032fe08c9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:50:31,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e17a71-0744-4c69-aab6-c07032fe08c9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:50:31,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e17a71-0744-4c69-aab6-c07032fe08c9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:50:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:50:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:50:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 11:50:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:50:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:50:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:50:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 11:50:32,034 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 11:50:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 11:50:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 11:50:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 11:50:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 11:50:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-14 11:50:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-14 11:50:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:50:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 11:50:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:50:32,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:50:32,038 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 11:50:32,220 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:50:32,222 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:50:33,604 INFO L276 CfgBuilder]: Performing block encoding