./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i --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_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/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_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/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_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/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 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 --- 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 20:19:34,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:19:34,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:19:34,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:19:34,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:19:34,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:19:34,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:19:34,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:19:34,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:19:34,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:19:34,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:19:34,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:19:34,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:19:34,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:19:34,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:19:34,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:19:34,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:19:34,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:19:34,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:19:34,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:19:34,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:19:34,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:19:34,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:19:34,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:19:34,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:19:34,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:19:34,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:19:34,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:19:34,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:19:34,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:19:34,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:19:34,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:19:34,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:19:34,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:19:34,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:19:34,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:19:34,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:19:34,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:19:34,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:19:34,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:19:34,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:19:34,997 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 20:19:35,018 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:19:35,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:19:35,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:19:35,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:19:35,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:19:35,020 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:19:35,020 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:19:35,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:19:35,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:19:35,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:19:35,021 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 20:19:35,021 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 20:19:35,021 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 20:19:35,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:19:35,021 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:19:35,022 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:19:35,022 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:19:35,022 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:19:35,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:19:35,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:19:35,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:19:35,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:19:35,023 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:19:35,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:19:35,023 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_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2022-12-14 20:19:35,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:19:35,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:19:35,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:19:35,239 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:19:35,240 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:19:35,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-12-14 20:19:37,932 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:19:38,156 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:19:38,157 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-12-14 20:19:38,172 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/data/60bf5d139/f44fc4ae6ef5487e9db2910c391406b0/FLAG20599f639 [2022-12-14 20:19:38,186 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/data/60bf5d139/f44fc4ae6ef5487e9db2910c391406b0 [2022-12-14 20:19:38,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:19:38,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:19:38,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:19:38,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:19:38,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:19:38,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:19:38" (1/1) ... [2022-12-14 20:19:38,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2ea06f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:38, skipping insertion in model container [2022-12-14 20:19:38,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:19:38" (1/1) ... [2022-12-14 20:19:38,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:19:38,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:19:38,643 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,644 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,645 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,646 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,649 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,650 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,653 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,656 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,666 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,679 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_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-12-14 20:19:38,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:19:38,707 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:19:38,730 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,730 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,731 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,731 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,732 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,732 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,733 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,733 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,734 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,735 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,739 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,741 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,746 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_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-12-14 20:19:38,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:38,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:38,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:19:38,804 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:19:38,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:38 WrapperNode [2022-12-14 20:19:38,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:19:38,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:19:38,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:19:38,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:19:38,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:38" (1/1) ... [2022-12-14 20:19:38,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:38" (1/1) ... [2022-12-14 20:19:38,913 INFO L138 Inliner]: procedures = 397, calls = 214, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3713 [2022-12-14 20:19:38,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:19:38,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:19:38,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:19:38,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:19:38,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:38" (1/1) ... [2022-12-14 20:19:38,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:38" (1/1) ... [2022-12-14 20:19:38,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:38" (1/1) ... [2022-12-14 20:19:38,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:38" (1/1) ... [2022-12-14 20:19:38,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:38" (1/1) ... [2022-12-14 20:19:38,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:38" (1/1) ... [2022-12-14 20:19:38,992 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:38" (1/1) ... [2022-12-14 20:19:38,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:38" (1/1) ... [2022-12-14 20:19:39,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:19:39,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:19:39,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:19:39,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:19:39,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:38" (1/1) ... [2022-12-14 20:19:39,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:19:39,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:19:39,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:19:39,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:19:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 20:19:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:19:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 20:19:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:19:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:19:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 20:19:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2022-12-14 20:19:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2022-12-14 20:19:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2022-12-14 20:19:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2022-12-14 20:19:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2022-12-14 20:19:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2022-12-14 20:19:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:19:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:19:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:19:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 20:19:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 20:19:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:19:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2022-12-14 20:19:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2022-12-14 20:19:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2022-12-14 20:19:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2022-12-14 20:19:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2022-12-14 20:19:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2022-12-14 20:19:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2022-12-14 20:19:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2022-12-14 20:19:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:19:39,068 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 20:19:39,359 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:19:39,361 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:19:42,763 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:19:46,371 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:19:46,372 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 20:19:46,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:19:46 BoogieIcfgContainer [2022-12-14 20:19:46,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:19:46,376 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:19:46,376 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:19:46,383 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:19:46,383 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:19:46" (1/1) ... [2022-12-14 20:19:46,384 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 20:19:46,387 INFO L158 Benchmark]: Toolchain (without parser) took 8196.39ms. Allocated memory was 140.5MB in the beginning and 666.9MB in the end (delta: 526.4MB). Free memory was 87.8MB in the beginning and 185.5MB in the end (delta: -97.7MB). Peak memory consumption was 426.9MB. Max. memory is 16.1GB. [2022-12-14 20:19:46,387 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:19:46,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.56ms. Allocated memory is still 140.5MB. Free memory was 87.4MB in the beginning and 71.8MB in the end (delta: 15.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-12-14 20:19:46,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.88ms. Allocated memory is still 140.5MB. Free memory was 71.8MB in the beginning and 100.7MB in the end (delta: -29.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-12-14 20:19:46,388 INFO L158 Benchmark]: Boogie Preprocessor took 95.85ms. Allocated memory is still 140.5MB. Free memory was 100.7MB in the beginning and 83.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 20:19:46,389 INFO L158 Benchmark]: RCFGBuilder took 7365.94ms. Allocated memory was 140.5MB in the beginning and 666.9MB in the end (delta: 526.4MB). Free memory was 83.2MB in the beginning and 186.5MB in the end (delta: -103.3MB). Peak memory consumption was 421.4MB. Max. memory is 16.1GB. [2022-12-14 20:19:46,389 INFO L158 Benchmark]: CodeCheck took 9.37ms. Allocated memory is still 666.9MB. Free memory was 186.5MB in the beginning and 185.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:19:46,392 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 0.14ms. Allocated memory is still 113.2MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.56ms. Allocated memory is still 140.5MB. Free memory was 87.4MB in the beginning and 71.8MB in the end (delta: 15.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.88ms. Allocated memory is still 140.5MB. Free memory was 71.8MB in the beginning and 100.7MB in the end (delta: -29.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.85ms. Allocated memory is still 140.5MB. Free memory was 100.7MB in the beginning and 83.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 7365.94ms. Allocated memory was 140.5MB in the beginning and 666.9MB in the end (delta: 526.4MB). Free memory was 83.2MB in the beginning and 186.5MB in the end (delta: -103.3MB). Peak memory consumption was 421.4MB. Max. memory is 16.1GB. * CodeCheck took 9.37ms. Allocated memory is still 666.9MB. Free memory was 186.5MB in the beginning and 185.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:19:46,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/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_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/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_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/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_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/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 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 --- 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 20:19:48,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:19:48,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:19:48,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:19:48,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:19:48,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:19:48,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:19:48,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:19:48,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:19:48,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:19:48,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:19:48,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:19:48,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:19:48,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:19:48,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:19:48,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:19:48,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:19:48,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:19:48,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:19:48,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:19:48,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:19:48,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:19:48,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:19:48,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:19:48,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:19:48,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:19:48,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:19:48,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:19:48,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:19:48,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:19:48,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:19:48,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:19:48,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:19:48,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:19:48,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:19:48,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:19:48,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:19:48,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:19:48,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:19:48,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:19:48,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:19:48,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-12-14 20:19:48,171 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:19:48,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:19:48,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:19:48,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:19:48,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:19:48,173 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:19:48,173 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:19:48,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:19:48,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:19:48,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:19:48,174 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 20:19:48,174 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 20:19:48,174 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 20:19:48,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:19:48,174 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 20:19:48,174 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 20:19:48,174 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 20:19:48,174 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:19:48,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:19:48,175 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:19:48,175 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:19:48,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:19:48,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:19:48,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:19:48,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:19:48,175 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 20:19:48,176 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 20:19:48,176 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 20:19:48,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 20:19:48,176 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_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2022-12-14 20:19:48,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:19:48,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:19:48,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:19:48,416 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:19:48,417 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:19:48,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-12-14 20:19:50,967 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:19:51,197 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:19:51,197 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-12-14 20:19:51,209 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/data/8d93398ed/c26fab0a44e6450ab378631e422e8fcf/FLAGc93ded217 [2022-12-14 20:19:51,224 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/data/8d93398ed/c26fab0a44e6450ab378631e422e8fcf [2022-12-14 20:19:51,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:19:51,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:19:51,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:19:51,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:19:51,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:19:51,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:19:51" (1/1) ... [2022-12-14 20:19:51,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64cc3fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:51, skipping insertion in model container [2022-12-14 20:19:51,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:19:51" (1/1) ... [2022-12-14 20:19:51,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:19:51,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:19:51,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,793 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,794 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,795 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,798 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,800 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,804 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,806 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,808 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,826 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,827 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,830 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,843 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_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-12-14 20:19:51,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,846 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,847 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,848 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,851 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,852 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:19:51,905 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:19:51,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,956 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,957 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,969 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,970 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,975 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,979 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_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-12-14 20:19:51,980 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,981 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,981 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:19:51,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:19:51,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:19:52,077 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:19:52,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:52 WrapperNode [2022-12-14 20:19:52,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:19:52,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:19:52,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:19:52,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:19:52,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:52" (1/1) ... [2022-12-14 20:19:52,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:52" (1/1) ... [2022-12-14 20:19:52,209 INFO L138 Inliner]: procedures = 401, calls = 214, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3601 [2022-12-14 20:19:52,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:19:52,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:19:52,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:19:52,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:19:52,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:52" (1/1) ... [2022-12-14 20:19:52,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:52" (1/1) ... [2022-12-14 20:19:52,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:52" (1/1) ... [2022-12-14 20:19:52,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:52" (1/1) ... [2022-12-14 20:19:52,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:52" (1/1) ... [2022-12-14 20:19:52,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:52" (1/1) ... [2022-12-14 20:19:52,332 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:52" (1/1) ... [2022-12-14 20:19:52,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:52" (1/1) ... [2022-12-14 20:19:52,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:19:52,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:19:52,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:19:52,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:19:52,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:52" (1/1) ... [2022-12-14 20:19:52,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:19:52,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:19:52,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:19:52,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:19:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 20:19:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:19:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 20:19:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 20:19:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 20:19:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:19:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 20:19:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2022-12-14 20:19:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2022-12-14 20:19:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2022-12-14 20:19:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2022-12-14 20:19:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2022-12-14 20:19:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2022-12-14 20:19:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:19:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:19:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 20:19:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:19:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 20:19:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 20:19:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 20:19:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2022-12-14 20:19:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2022-12-14 20:19:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2022-12-14 20:19:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2022-12-14 20:19:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2022-12-14 20:19:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2022-12-14 20:19:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2022-12-14 20:19:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2022-12-14 20:19:52,428 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 20:19:52,730 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:19:52,732 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:20:00,769 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:20:04,802 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:20:04,802 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 20:20:04,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:20:04 BoogieIcfgContainer [2022-12-14 20:20:04,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:20:04,806 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:20:04,806 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:20:04,813 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:20:04,813 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:20:04" (1/1) ... [2022-12-14 20:20:04,814 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 20:20:04,817 INFO L158 Benchmark]: Toolchain (without parser) took 13588.51ms. Allocated memory was 96.5MB in the beginning and 836.8MB in the end (delta: 740.3MB). Free memory was 72.5MB in the beginning and 371.2MB in the end (delta: -298.7MB). Peak memory consumption was 441.9MB. Max. memory is 16.1GB. [2022-12-14 20:20:04,817 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:20:04,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.37ms. Allocated memory is still 96.5MB. Free memory was 72.3MB in the beginning and 41.8MB in the end (delta: 30.4MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-12-14 20:20:04,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.48ms. Allocated memory is still 96.5MB. Free memory was 41.8MB in the beginning and 55.3MB in the end (delta: -13.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-12-14 20:20:04,818 INFO L158 Benchmark]: Boogie Preprocessor took 147.15ms. Allocated memory is still 96.5MB. Free memory was 55.3MB in the beginning and 57.6MB in the end (delta: -2.3MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-12-14 20:20:04,818 INFO L158 Benchmark]: RCFGBuilder took 12447.96ms. Allocated memory was 96.5MB in the beginning and 836.8MB in the end (delta: 740.3MB). Free memory was 57.6MB in the beginning and 372.2MB in the end (delta: -314.6MB). Peak memory consumption was 569.3MB. Max. memory is 16.1GB. [2022-12-14 20:20:04,819 INFO L158 Benchmark]: CodeCheck took 9.18ms. Allocated memory is still 836.8MB. Free memory was 372.2MB in the beginning and 371.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:20:04,821 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 0.14ms. Allocated memory is still 56.6MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.37ms. Allocated memory is still 96.5MB. Free memory was 72.3MB in the beginning and 41.8MB in the end (delta: 30.4MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.48ms. Allocated memory is still 96.5MB. Free memory was 41.8MB in the beginning and 55.3MB in the end (delta: -13.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.15ms. Allocated memory is still 96.5MB. Free memory was 55.3MB in the beginning and 57.6MB in the end (delta: -2.3MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * RCFGBuilder took 12447.96ms. Allocated memory was 96.5MB in the beginning and 836.8MB in the end (delta: 740.3MB). Free memory was 57.6MB in the beginning and 372.2MB in the end (delta: -314.6MB). Peak memory consumption was 569.3MB. Max. memory is 16.1GB. * CodeCheck took 9.18ms. Allocated memory is still 836.8MB. Free memory was 372.2MB in the beginning and 371.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:20:04,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d97ab9-8cf8-4530-ab48-6153eebf71a0/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