./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 --- 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 23:35:32,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:35:32,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:35:32,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:35:32,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:35:32,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:35:32,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:35:32,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:35:32,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:35:32,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:35:32,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:35:32,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:35:32,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:35:32,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:35:32,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:35:32,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:35:32,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:35:32,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:35:32,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:35:32,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:35:32,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:35:32,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:35:32,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:35:32,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:35:32,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:35:32,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:35:32,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:35:32,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:35:32,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:35:32,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:35:32,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:35:32,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:35:32,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:35:32,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:35:32,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:35:32,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:35:32,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:35:32,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:35:32,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:35:32,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:35:32,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:35:32,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 23:35:32,644 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:35:32,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:35:32,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:35:32,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:35:32,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:35:32,645 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:35:32,646 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:35:32,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:35:32,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:35:32,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:35:32,646 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 23:35:32,646 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 23:35:32,646 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 23:35:32,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:35:32,647 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:35:32,647 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:35:32,647 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:35:32,647 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:35:32,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:35:32,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:35:32,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:35:32,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:35:32,647 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:35:32,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:35:32,648 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_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 [2022-12-14 23:35:32,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:35:32,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:35:32,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:35:32,858 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:35:32,859 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:35:32,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2022-12-14 23:35:35,482 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:35:35,641 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:35:35,641 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2022-12-14 23:35:35,646 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/data/ea3d51e6a/4743c5fca6534532bba1ea4942f55e62/FLAG8f7ed3e0f [2022-12-14 23:35:35,657 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/data/ea3d51e6a/4743c5fca6534532bba1ea4942f55e62 [2022-12-14 23:35:35,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:35:35,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:35:35,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:35:35,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:35:35,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:35:35,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:35:35" (1/1) ... [2022-12-14 23:35:35,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc31ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:35, skipping insertion in model container [2022-12-14 23:35:35,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:35:35" (1/1) ... [2022-12-14 23:35:35,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:35:35,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:35:35,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:35:35,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:35:35,793 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:35:35,794 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:35:35,799 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_80f0fb35-5fae-480a-9b65-bdb8cc63128d/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-12-14 23:35:35,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:35:35,812 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:35:35,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:35:35,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:35:35,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:35:35,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:35:35,826 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_80f0fb35-5fae-480a-9b65-bdb8cc63128d/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-12-14 23:35:35,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:35:35,839 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:35:35,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:35 WrapperNode [2022-12-14 23:35:35,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:35:35,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:35:35,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:35:35,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:35:35,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:35" (1/1) ... [2022-12-14 23:35:35,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:35" (1/1) ... [2022-12-14 23:35:35,868 INFO L138 Inliner]: procedures = 24, calls = 33, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 128 [2022-12-14 23:35:35,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:35:35,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:35:35,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:35:35,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:35:35,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:35" (1/1) ... [2022-12-14 23:35:35,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:35" (1/1) ... [2022-12-14 23:35:35,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:35" (1/1) ... [2022-12-14 23:35:35,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:35" (1/1) ... [2022-12-14 23:35:35,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:35" (1/1) ... [2022-12-14 23:35:35,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:35" (1/1) ... [2022-12-14 23:35:35,886 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:35" (1/1) ... [2022-12-14 23:35:35,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:35" (1/1) ... [2022-12-14 23:35:35,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:35:35,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:35:35,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:35:35,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:35:35,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:35" (1/1) ... [2022-12-14 23:35:35,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:35:35,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:35:35,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:35:35,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:35:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:35:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 23:35:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 23:35:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 23:35:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 23:35:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:35:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:35:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:35:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 23:35:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 23:35:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 23:35:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:35:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:35:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:35:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:35:35,953 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 23:35:36,041 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:35:36,044 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:35:36,299 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:35:36,362 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:35:36,362 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 23:35:36,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:35:36 BoogieIcfgContainer [2022-12-14 23:35:36,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:35:36,364 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:35:36,364 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:35:36,372 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:35:36,372 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:35:36" (1/1) ... [2022-12-14 23:35:36,373 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 23:35:36,376 INFO L158 Benchmark]: Toolchain (without parser) took 715.84ms. Allocated memory is still 146.8MB. Free memory was 115.5MB in the beginning and 75.1MB in the end (delta: 40.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-14 23:35:36,376 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:35:36,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.65ms. Allocated memory is still 146.8MB. Free memory was 115.5MB in the beginning and 103.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 23:35:36,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.55ms. Allocated memory is still 146.8MB. Free memory was 103.8MB in the beginning and 102.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:35:36,377 INFO L158 Benchmark]: Boogie Preprocessor took 19.74ms. Allocated memory is still 146.8MB. Free memory was 101.7MB in the beginning and 100.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:35:36,378 INFO L158 Benchmark]: RCFGBuilder took 475.01ms. Allocated memory is still 146.8MB. Free memory was 100.2MB in the beginning and 76.0MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 23:35:36,378 INFO L158 Benchmark]: CodeCheck took 10.46ms. Allocated memory is still 146.8MB. Free memory was 76.0MB in the beginning and 75.1MB in the end (delta: 855.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:35:36,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.65ms. Allocated memory is still 146.8MB. Free memory was 115.5MB in the beginning and 103.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.55ms. Allocated memory is still 146.8MB. Free memory was 103.8MB in the beginning and 102.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.74ms. Allocated memory is still 146.8MB. Free memory was 101.7MB in the beginning and 100.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.01ms. Allocated memory is still 146.8MB. Free memory was 100.2MB in the beginning and 76.0MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 10.46ms. Allocated memory is still 146.8MB. Free memory was 76.0MB in the beginning and 75.1MB in the end (delta: 855.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:35:36,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 --- 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 23:35:37,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:35:37,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:35:37,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:35:37,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:35:37,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:35:37,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:35:37,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:35:37,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:35:37,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:35:37,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:35:37,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:35:37,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:35:37,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:35:37,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:35:37,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:35:37,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:35:37,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:35:37,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:35:37,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:35:37,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:35:37,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:35:37,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:35:37,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:35:37,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:35:37,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:35:37,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:35:37,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:35:37,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:35:37,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:35:37,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:35:37,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:35:37,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:35:37,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:35:37,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:35:37,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:35:37,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:35:37,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:35:37,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:35:37,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:35:37,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:35:37,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-12-14 23:35:37,893 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:35:37,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:35:37,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:35:37,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:35:37,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:35:37,894 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:35:37,894 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:35:37,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:35:37,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:35:37,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:35:37,895 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 23:35:37,895 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 23:35:37,895 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 23:35:37,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:35:37,896 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 23:35:37,896 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 23:35:37,896 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 23:35:37,896 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:35:37,896 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:35:37,896 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:35:37,896 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:35:37,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:35:37,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:35:37,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:35:37,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:35:37,897 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 23:35:37,897 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 23:35:37,897 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 23:35:37,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 23:35:37,898 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 [2022-12-14 23:35:38,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:35:38,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:35:38,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:35:38,132 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:35:38,133 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:35:38,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2022-12-14 23:35:40,628 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:35:40,754 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:35:40,754 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2022-12-14 23:35:40,760 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/data/baf11cf0b/f2c562256bb8482ea1eccc9c0e2b3174/FLAG390ba7720 [2022-12-14 23:35:40,770 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/data/baf11cf0b/f2c562256bb8482ea1eccc9c0e2b3174 [2022-12-14 23:35:40,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:35:40,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:35:40,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:35:40,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:35:40,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:35:40,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:35:40" (1/1) ... [2022-12-14 23:35:40,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e4d3ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:40, skipping insertion in model container [2022-12-14 23:35:40,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:35:40" (1/1) ... [2022-12-14 23:35:40,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:35:40,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:35:40,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:35:40,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:35:40,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:35:40,909 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:35:40,914 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_80f0fb35-5fae-480a-9b65-bdb8cc63128d/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-12-14 23:35:40,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:35:40,931 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 23:35:40,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:35:40,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:35:40,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:35:40,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:35:40,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:35:40,941 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_80f0fb35-5fae-480a-9b65-bdb8cc63128d/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-12-14 23:35:40,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:35:40,947 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:35:40,957 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:35:40,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:35:40,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:35:40,968 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:35:40,971 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_80f0fb35-5fae-480a-9b65-bdb8cc63128d/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-12-14 23:35:40,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:35:40,986 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:35:40,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:40 WrapperNode [2022-12-14 23:35:40,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:35:40,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:35:40,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:35:40,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:35:40,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:40" (1/1) ... [2022-12-14 23:35:41,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:40" (1/1) ... [2022-12-14 23:35:41,017 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 125 [2022-12-14 23:35:41,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:35:41,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:35:41,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:35:41,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:35:41,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:40" (1/1) ... [2022-12-14 23:35:41,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:40" (1/1) ... [2022-12-14 23:35:41,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:40" (1/1) ... [2022-12-14 23:35:41,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:40" (1/1) ... [2022-12-14 23:35:41,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:40" (1/1) ... [2022-12-14 23:35:41,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:40" (1/1) ... [2022-12-14 23:35:41,038 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:40" (1/1) ... [2022-12-14 23:35:41,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:40" (1/1) ... [2022-12-14 23:35:41,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:35:41,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:35:41,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:35:41,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:35:41,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:40" (1/1) ... [2022-12-14 23:35:41,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:35:41,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:35:41,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:35:41,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:35:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:35:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 23:35:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:35:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 23:35:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 23:35:41,107 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 23:35:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 23:35:41,107 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 23:35:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 23:35:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 23:35:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 23:35:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:35:41,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:35:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:35:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 23:35:41,110 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 23:35:41,200 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:35:41,202 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:35:41,528 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:35:41,620 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:35:41,620 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 23:35:41,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:35:41 BoogieIcfgContainer [2022-12-14 23:35:41,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:35:41,623 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:35:41,623 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:35:41,633 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:35:41,633 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:35:41" (1/1) ... [2022-12-14 23:35:41,634 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 23:35:41,637 INFO L158 Benchmark]: Toolchain (without parser) took 863.12ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 36.1MB in the beginning and 42.3MB in the end (delta: -6.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2022-12-14 23:35:41,638 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:35:41,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.69ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 36.0MB in the beginning and 58.6MB in the end (delta: -22.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-12-14 23:35:41,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.26ms. Allocated memory is still 79.7MB. Free memory was 58.6MB in the beginning and 56.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:35:41,639 INFO L158 Benchmark]: Boogie Preprocessor took 23.25ms. Allocated memory is still 79.7MB. Free memory was 56.5MB in the beginning and 54.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:35:41,640 INFO L158 Benchmark]: RCFGBuilder took 580.90ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 43.2MB in the end (delta: 11.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 23:35:41,640 INFO L158 Benchmark]: CodeCheck took 12.23ms. Allocated memory is still 79.7MB. Free memory was 43.2MB in the beginning and 42.3MB in the end (delta: 875.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:35:41,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.69ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 36.0MB in the beginning and 58.6MB in the end (delta: -22.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.26ms. Allocated memory is still 79.7MB. Free memory was 58.6MB in the beginning and 56.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.25ms. Allocated memory is still 79.7MB. Free memory was 56.5MB in the beginning and 54.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.90ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 43.2MB in the end (delta: 11.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 12.23ms. Allocated memory is still 79.7MB. Free memory was 43.2MB in the beginning and 42.3MB in the end (delta: 875.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:35:41,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f0fb35-5fae-480a-9b65-bdb8cc63128d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported