./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7faf759f4f4392e84815a483ab24e4497f918cd291dc733acf407d398902eccf --- 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-4e7fbc6 [2022-11-23 01:46:37,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:46:37,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:46:37,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:46:37,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:46:37,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:46:37,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:46:37,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:46:37,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:46:37,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:46:37,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:46:37,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:46:37,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:46:37,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:46:37,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:46:37,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:46:37,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:46:37,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:46:37,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:46:37,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:46:37,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:46:37,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:46:37,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:46:37,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:46:37,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:46:37,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:46:37,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:46:37,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:46:37,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:46:37,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:46:37,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:46:37,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:46:37,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:46:37,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:46:37,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:46:37,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:46:37,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:46:37,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:46:37,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:46:37,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:46:37,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:46:37,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-23 01:46:37,715 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:46:37,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:46:37,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:46:37,721 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:46:37,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:46:37,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:46:37,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:46:37,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:46:37,723 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:46:37,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:46:37,724 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 01:46:37,724 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:46:37,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:46:37,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 01:46:37,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:46:37,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:46:37,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:46:37,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:46:37,726 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 01:46:37,726 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 01:46:37,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:46:37,727 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:46:37,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:46:37,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:46:37,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:46:37,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:46:37,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:46:37,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:46:37,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:46:37,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:46:37,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:46:37,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 01:46:37,730 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:46:37,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:46:37,730 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:46:37,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:46:37,731 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7faf759f4f4392e84815a483ab24e4497f918cd291dc733acf407d398902eccf [2022-11-23 01:46:38,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:46:38,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:46:38,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:46:38,098 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:46:38,098 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:46:38,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2022-11-23 01:46:41,028 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:46:41,260 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:46:41,260 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2022-11-23 01:46:41,267 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/data/af86461b0/e5a23d0110ef4ad9a56003b0d6d3001a/FLAG7c6f1ada9 [2022-11-23 01:46:41,281 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/data/af86461b0/e5a23d0110ef4ad9a56003b0d6d3001a [2022-11-23 01:46:41,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:46:41,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:46:41,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:46:41,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:46:41,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:46:41,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:41" (1/1) ... [2022-11-23 01:46:41,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a7e71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:41, skipping insertion in model container [2022-11-23 01:46:41,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:41" (1/1) ... [2022-11-23 01:46:41,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:46:41,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:46:41,584 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_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2022-11-23 01:46:41,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:46:41,593 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:46:41,614 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_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2022-11-23 01:46:41,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:46:41,628 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:46:41,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:41 WrapperNode [2022-11-23 01:46:41,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:46:41,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:46:41,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:46:41,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:46:41,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:41" (1/1) ... [2022-11-23 01:46:41,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:41" (1/1) ... [2022-11-23 01:46:41,670 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2022-11-23 01:46:41,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:46:41,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:46:41,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:46:41,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:46:41,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:41" (1/1) ... [2022-11-23 01:46:41,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:41" (1/1) ... [2022-11-23 01:46:41,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:41" (1/1) ... [2022-11-23 01:46:41,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:41" (1/1) ... [2022-11-23 01:46:41,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:41" (1/1) ... [2022-11-23 01:46:41,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:41" (1/1) ... [2022-11-23 01:46:41,712 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:41" (1/1) ... [2022-11-23 01:46:41,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:41" (1/1) ... [2022-11-23 01:46:41,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:46:41,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:46:41,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:46:41,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:46:41,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:41" (1/1) ... [2022-11-23 01:46:41,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:46:41,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:41,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:41,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 01:46:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 01:46:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-23 01:46:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-23 01:46:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-23 01:46:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-23 01:46:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-23 01:46:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-23 01:46:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 01:46:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 01:46:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 01:46:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 01:46:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 01:46:41,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:46:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:46:41,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 01:46:41,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 01:46:41,791 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 01:46:41,884 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:46:41,886 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:46:42,076 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:46:42,134 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:46:42,135 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-23 01:46:42,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:42 BoogieIcfgContainer [2022-11-23 01:46:42,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:46:42,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 01:46:42,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 01:46:42,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 01:46:42,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:46:41" (1/3) ... [2022-11-23 01:46:42,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724a3033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:46:42, skipping insertion in model container [2022-11-23 01:46:42,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:41" (2/3) ... [2022-11-23 01:46:42,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724a3033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:46:42, skipping insertion in model container [2022-11-23 01:46:42,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:42" (3/3) ... [2022-11-23 01:46:42,145 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2022-11-23 01:46:42,153 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 01:46:42,163 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 01:46:42,164 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-23 01:46:42,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724a3033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:46:42, skipping insertion in model container [2022-11-23 01:46:42,165 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 01:46:42,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 01:46:42,166 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 01:46:42,166 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 01:46:42,167 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:42" (3/3) ... [2022-11-23 01:46:42,170 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 01:46:42,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-23 01:46:42,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-23 01:46:42,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-23 01:46:42,179 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-23 01:46:42,179 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 01:46:42,180 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 01:46:42,180 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 01:46:42,256 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 01:46:42,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 01:46:42,258 INFO L158 Benchmark]: Toolchain (without parser) took 972.70ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 69.5MB in the beginning and 150.7MB in the end (delta: -81.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:46:42,259 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:46:42,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.80ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 69.3MB in the beginning and 175.8MB in the end (delta: -106.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-11-23 01:46:42,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.91ms. Allocated memory is still 209.7MB. Free memory was 175.8MB in the beginning and 174.9MB in the end (delta: 928.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:46:42,267 INFO L158 Benchmark]: Boogie Preprocessor took 44.22ms. Allocated memory is still 209.7MB. Free memory was 174.9MB in the beginning and 172.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:46:42,267 INFO L158 Benchmark]: RCFGBuilder took 421.19ms. Allocated memory is still 209.7MB. Free memory was 172.8MB in the beginning and 156.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 01:46:42,268 INFO L158 Benchmark]: TraceAbstraction took 26.06ms. Allocated memory is still 209.7MB. Free memory was 156.0MB in the beginning and 153.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:46:42,278 INFO L158 Benchmark]: Witness Printer took 90.47ms. Allocated memory is still 209.7MB. Free memory was 153.7MB in the beginning and 150.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 01:46:42,282 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.80ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 69.3MB in the beginning and 175.8MB in the end (delta: -106.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.91ms. Allocated memory is still 209.7MB. Free memory was 175.8MB in the beginning and 174.9MB in the end (delta: 928.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.22ms. Allocated memory is still 209.7MB. Free memory was 174.9MB in the beginning and 172.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.19ms. Allocated memory is still 209.7MB. Free memory was 172.8MB in the beginning and 156.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 26.06ms. Allocated memory is still 209.7MB. Free memory was 156.0MB in the beginning and 153.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 90.47ms. Allocated memory is still 209.7MB. Free memory was 153.7MB in the beginning and 150.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-23 01:46:42,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bdc7a1d-afaa-434a-8d82-6963d50aeb11/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE