./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c17307c3ae663be4a153b702602dea6d5ee45f14a080e7a1fb720e97140b770f .............................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c17307c3ae663be4a153b702602dea6d5ee45f14a080e7a1fb720e97140b770f .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:56:20,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:56:20,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:56:21,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:56:21,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:56:21,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:56:21,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:56:21,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:56:21,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:56:21,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:56:21,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:56:21,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:56:21,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:56:21,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:56:21,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:56:21,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:56:21,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:56:21,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:56:21,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:56:21,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:56:21,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:56:21,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:56:21,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:56:21,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:56:21,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:56:21,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:56:21,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:56:21,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:56:21,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:56:21,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:56:21,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:56:21,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:56:21,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:56:21,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:56:21,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:56:21,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:56:21,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:56:21,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:56:21,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:56:21,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:56:21,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:56:21,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:56:21,111 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:56:21,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:56:21,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:56:21,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:56:21,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:56:21,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:56:21,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:56:21,115 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:56:21,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:56:21,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:56:21,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:56:21,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:56:21,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:56:21,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:56:21,118 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:56:21,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:56:21,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:56:21,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:56:21,119 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:56:21,119 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:56:21,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:56:21,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:56:21,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:56:21,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:56:21,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:56:21,121 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:56:21,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:56:21,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:56:21,122 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_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c17307c3ae663be4a153b702602dea6d5ee45f14a080e7a1fb720e97140b770f [2021-10-29 02:56:21,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:56:21,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:56:21,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:56:21,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:56:21,477 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:56:21,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2021-10-29 02:56:21,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/data/b84b5dbc1/2c49410a8eb8456ea1a8c349d96df4ec/FLAGf0eb40473 [2021-10-29 02:56:22,075 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:56:22,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2021-10-29 02:56:22,084 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/data/b84b5dbc1/2c49410a8eb8456ea1a8c349d96df4ec/FLAGf0eb40473 [2021-10-29 02:56:22,463 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/data/b84b5dbc1/2c49410a8eb8456ea1a8c349d96df4ec [2021-10-29 02:56:22,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:56:22,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:56:22,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:56:22,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:56:22,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:56:22,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:56:22" (1/1) ... [2021-10-29 02:56:22,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1c535c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:22, skipping insertion in model container [2021-10-29 02:56:22,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:56:22" (1/1) ... [2021-10-29 02:56:22,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:56:22,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:56:22,722 WARN L228 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_95c538da-3fd2-4ab9-97f4-8c55bb414abc/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2021-10-29 02:56:22,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:56:22,733 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:56:22,770 WARN L228 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_95c538da-3fd2-4ab9-97f4-8c55bb414abc/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2021-10-29 02:56:22,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:56:22,797 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:56:22,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:22 WrapperNode [2021-10-29 02:56:22,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:56:22,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:56:22,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:56:22,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:56:22,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:22" (1/1) ... [2021-10-29 02:56:22,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:22" (1/1) ... [2021-10-29 02:56:22,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:56:22,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:56:22,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:56:22,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:56:22,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:22" (1/1) ... [2021-10-29 02:56:22,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:22" (1/1) ... [2021-10-29 02:56:22,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:22" (1/1) ... [2021-10-29 02:56:22,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:22" (1/1) ... [2021-10-29 02:56:22,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:22" (1/1) ... [2021-10-29 02:56:22,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:22" (1/1) ... [2021-10-29 02:56:22,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:22" (1/1) ... [2021-10-29 02:56:22,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:56:22,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:56:22,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:56:22,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:56:22,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:22" (1/1) ... [2021-10-29 02:56:22,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:56:22,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:56:22,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:56:22,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:56:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 02:56:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 02:56:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 02:56:22,974 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 02:56:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 02:56:22,975 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 02:56:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:56:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:56:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 02:56:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 02:56:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 02:56:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:56:22,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:56:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 02:56:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:56:22,978 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 02:56:23,418 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:56:23,418 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 02:56:23,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:56:23 BoogieIcfgContainer [2021-10-29 02:56:23,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:56:23,421 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:56:23,421 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:56:23,437 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:56:23,438 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:56:23" (1/1) ... [2021-10-29 02:56:23,439 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:363) 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) [2021-10-29 02:56:23,449 INFO L168 Benchmark]: Toolchain (without parser) took 979.99 ms. Allocated memory is still 92.3 MB. Free memory was 54.6 MB in the beginning and 52.3 MB in the end (delta: 2.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:56:23,450 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory is still 71.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:56:23,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.43 ms. Allocated memory is still 92.3 MB. Free memory was 54.4 MB in the beginning and 68.9 MB in the end (delta: -14.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:56:23,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.06 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 67.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:56:23,453 INFO L168 Benchmark]: Boogie Preprocessor took 25.05 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 66.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:56:23,454 INFO L168 Benchmark]: RCFGBuilder took 555.75 ms. Allocated memory is still 92.3 MB. Free memory was 66.1 MB in the beginning and 53.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:56:23,454 INFO L168 Benchmark]: CodeCheck took 25.79 ms. Allocated memory is still 92.3 MB. Free memory was 53.2 MB in the beginning and 52.3 MB in the end (delta: 876.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:56:23,470 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory is still 71.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 321.43 ms. Allocated memory is still 92.3 MB. Free memory was 54.4 MB in the beginning and 68.9 MB in the end (delta: -14.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.06 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 67.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.05 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 66.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 555.75 ms. Allocated memory is still 92.3 MB. Free memory was 66.1 MB in the beginning and 53.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 25.79 ms. Allocated memory is still 92.3 MB. Free memory was 53.2 MB in the beginning and 52.3 MB in the end (delta: 876.5 kB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 02:56:23,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:56:26,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:56:26,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:56:26,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:56:26,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:56:26,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:56:26,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:56:26,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:56:26,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:56:26,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:56:26,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:56:26,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:56:26,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:56:26,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:56:26,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:56:26,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:56:26,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:56:26,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:56:26,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:56:26,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:56:26,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:56:26,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:56:26,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:56:26,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:56:26,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:56:26,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:56:26,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:56:26,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:56:26,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:56:26,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:56:26,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:56:26,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:56:26,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:56:26,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:56:26,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:56:26,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:56:26,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:56:26,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:56:26,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:56:26,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:56:26,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:56:26,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-10-29 02:56:26,693 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:56:26,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:56:26,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:56:26,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:56:26,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:56:26,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:56:26,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:56:26,698 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:56:26,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:56:26,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:56:26,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:56:26,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:56:26,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:56:26,701 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 02:56:26,702 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 02:56:26,702 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 02:56:26,702 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:56:26,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:56:26,703 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:56:26,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:56:26,703 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:56:26,703 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:56:26,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:56:26,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:56:26,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:56:26,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:56:26,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:56:26,705 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 02:56:26,706 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 02:56:26,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:56:26,706 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 02:56:26,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 02:56:26,707 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_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c17307c3ae663be4a153b702602dea6d5ee45f14a080e7a1fb720e97140b770f [2021-10-29 02:56:27,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:56:27,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:56:27,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:56:27,218 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:56:27,219 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:56:27,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2021-10-29 02:56:27,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/data/21f28de37/0ccb9657a122479eb3c9aaf4a4f88002/FLAGfdfec45ec [2021-10-29 02:56:27,981 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:56:27,982 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2021-10-29 02:56:27,994 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/data/21f28de37/0ccb9657a122479eb3c9aaf4a4f88002/FLAGfdfec45ec [2021-10-29 02:56:28,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/data/21f28de37/0ccb9657a122479eb3c9aaf4a4f88002 [2021-10-29 02:56:28,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:56:28,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:56:28,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:56:28,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:56:28,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:56:28,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:56:28" (1/1) ... [2021-10-29 02:56:28,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0008ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:28, skipping insertion in model container [2021-10-29 02:56:28,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:56:28" (1/1) ... [2021-10-29 02:56:28,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:56:28,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:56:28,584 WARN L228 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_95c538da-3fd2-4ab9-97f4-8c55bb414abc/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2021-10-29 02:56:28,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:56:28,612 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:56:28,692 WARN L228 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_95c538da-3fd2-4ab9-97f4-8c55bb414abc/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2021-10-29 02:56:28,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:56:28,720 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:56:28,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:28 WrapperNode [2021-10-29 02:56:28,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:56:28,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:56:28,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:56:28,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:56:28,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:28" (1/1) ... [2021-10-29 02:56:28,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:28" (1/1) ... [2021-10-29 02:56:28,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:56:28,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:56:28,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:56:28,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:56:28,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:28" (1/1) ... [2021-10-29 02:56:28,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:28" (1/1) ... [2021-10-29 02:56:28,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:28" (1/1) ... [2021-10-29 02:56:28,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:28" (1/1) ... [2021-10-29 02:56:28,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:28" (1/1) ... [2021-10-29 02:56:28,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:28" (1/1) ... [2021-10-29 02:56:28,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:28" (1/1) ... [2021-10-29 02:56:28,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:56:28,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:56:28,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:56:28,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:56:28,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:56:28" (1/1) ... [2021-10-29 02:56:28,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:56:28,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:56:28,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:56:28,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:56:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 02:56:28,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 02:56:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 02:56:28,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 02:56:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 02:56:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 02:56:28,959 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 02:56:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:56:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 02:56:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 02:56:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 02:56:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:56:28,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:56:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:56:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 02:56:28,963 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 02:56:29,450 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:56:29,450 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 02:56:29,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:56:29 BoogieIcfgContainer [2021-10-29 02:56:29,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:56:29,454 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:56:29,454 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:56:29,467 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:56:29,468 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:56:29" (1/1) ... [2021-10-29 02:56:29,469 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:363) 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) [2021-10-29 02:56:29,474 INFO L168 Benchmark]: Toolchain (without parser) took 1164.16 ms. Allocated memory is still 60.8 MB. Free memory was 44.0 MB in the beginning and 39.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:56:29,475 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 48.2 MB. Free memory was 28.6 MB in the beginning and 28.6 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:56:29,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.83 ms. Allocated memory is still 60.8 MB. Free memory was 43.8 MB in the beginning and 43.1 MB in the end (delta: 669.4 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 02:56:29,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.32 ms. Allocated memory is still 60.8 MB. Free memory was 43.0 MB in the beginning and 41.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:56:29,478 INFO L168 Benchmark]: Boogie Preprocessor took 71.71 ms. Allocated memory is still 60.8 MB. Free memory was 41.5 MB in the beginning and 40.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:56:29,479 INFO L168 Benchmark]: RCFGBuilder took 601.90 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 40.2 MB in the end (delta: 59.3 kB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:56:29,480 INFO L168 Benchmark]: CodeCheck took 16.90 ms. Allocated memory is still 60.8 MB. Free memory was 39.9 MB in the beginning and 39.2 MB in the end (delta: 770.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:56:29,484 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 48.2 MB. Free memory was 28.6 MB in the beginning and 28.6 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 397.83 ms. Allocated memory is still 60.8 MB. Free memory was 43.8 MB in the beginning and 43.1 MB in the end (delta: 669.4 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.32 ms. Allocated memory is still 60.8 MB. Free memory was 43.0 MB in the beginning and 41.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.71 ms. Allocated memory is still 60.8 MB. Free memory was 41.5 MB in the beginning and 40.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 601.90 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 40.2 MB in the end (delta: 59.3 kB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * CodeCheck took 16.90 ms. Allocated memory is still 60.8 MB. Free memory was 39.9 MB in the beginning and 39.2 MB in the end (delta: 770.4 kB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 02:56:29,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c538da-3fd2-4ab9-97f4-8c55bb414abc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...