./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB --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 c642b478618f67be61772197bb614a61e988cb880f57faee5dd0470714f61e7e --- 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-dbf71c6-m [2022-10-17 16:33:28,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:33:28,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:33:28,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:33:28,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:33:28,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:33:28,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:33:28,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:33:28,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:33:28,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:33:28,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:33:28,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:33:28,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:33:28,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:33:28,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:33:28,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:33:28,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:33:28,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:33:28,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:33:28,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:33:28,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:33:28,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:33:28,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:33:28,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:33:28,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:33:28,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:33:28,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:33:28,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:33:28,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:33:28,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:33:28,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:33:28,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:33:28,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:33:28,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:33:28,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:33:28,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:33:28,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:33:28,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:33:28,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:33:28,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:33:28,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:33:28,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:33:28,747 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:33:28,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:33:28,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:33:28,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:33:28,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:33:28,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:33:28,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:33:28,756 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:33:28,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:33:28,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:33:28,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:33:28,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:33:28,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:33:28,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:33:28,758 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:33:28,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:33:28,759 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:33:28,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:33:28,759 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:33:28,759 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:33:28,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:33:28,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:28,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:33:28,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:33:28,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:33:28,760 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:33:28,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:33:28,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:33:28,763 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_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c642b478618f67be61772197bb614a61e988cb880f57faee5dd0470714f61e7e [2022-10-17 16:33:29,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:33:29,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:33:29,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:33:29,097 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:33:29,099 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:33:29,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2022-10-17 16:33:29,168 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/data/1da113eb1/ce5c0409ec2c4e5b9df7755c1a82ffa6/FLAG8747898d0 [2022-10-17 16:33:29,642 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:33:29,643 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2022-10-17 16:33:29,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/data/1da113eb1/ce5c0409ec2c4e5b9df7755c1a82ffa6/FLAG8747898d0 [2022-10-17 16:33:29,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/data/1da113eb1/ce5c0409ec2c4e5b9df7755c1a82ffa6 [2022-10-17 16:33:29,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:33:30,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:33:30,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:30,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:33:30,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:33:30,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:30,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3447c21a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:30, skipping insertion in model container [2022-10-17 16:33:30,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:30,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:33:30,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:30,203 WARN L230 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_2de82ef5-96a5-4155-b908-3746ab32e1d3/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-10-17 16:33:30,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:30,223 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:30,244 WARN L230 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_2de82ef5-96a5-4155-b908-3746ab32e1d3/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-10-17 16:33:30,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:30,265 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:30,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:30 WrapperNode [2022-10-17 16:33:30,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:30,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:30,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:30,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:30,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:30" (1/1) ... [2022-10-17 16:33:30,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:30" (1/1) ... [2022-10-17 16:33:30,310 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 123 [2022-10-17 16:33:30,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:30,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:30,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:30,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:30,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:30" (1/1) ... [2022-10-17 16:33:30,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:30" (1/1) ... [2022-10-17 16:33:30,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:30" (1/1) ... [2022-10-17 16:33:30,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:30" (1/1) ... [2022-10-17 16:33:30,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:30" (1/1) ... [2022-10-17 16:33:30,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:30" (1/1) ... [2022-10-17 16:33:30,341 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:30" (1/1) ... [2022-10-17 16:33:30,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:30" (1/1) ... [2022-10-17 16:33:30,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:30,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:30,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:30,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:30,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:30" (1/1) ... [2022-10-17 16:33:30,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:30,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:30,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:30,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:30,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:33:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:33:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:33:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:33:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:33:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:33:30,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:33:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:33:30,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:33:30,453 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:33:30,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:33:30,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:33:30,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:33:30,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:33:30,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:30,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:30,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:33:30,455 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:33:30,551 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:30,553 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:33:30,853 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:33:30,985 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:33:30,985 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:33:30,986 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L110 is neither atomic block end nor a sink node. [2022-10-17 16:33:30,987 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2022-10-17 16:33:30,991 INFO L158 Benchmark]: Toolchain (without parser) took 989.42ms. Allocated memory is still 113.2MB. Free memory was 91.4MB in the beginning and 84.7MB in the end (delta: 6.8MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2022-10-17 16:33:30,992 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:33:30,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.36ms. Allocated memory is still 113.2MB. Free memory was 91.3MB in the beginning and 80.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:33:30,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.41ms. Allocated memory is still 113.2MB. Free memory was 79.9MB in the beginning and 78.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:33:30,995 INFO L158 Benchmark]: Boogie Preprocessor took 34.28ms. Allocated memory is still 113.2MB. Free memory was 78.1MB in the beginning and 76.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:33:30,996 INFO L158 Benchmark]: RCFGBuilder took 642.90ms. Allocated memory is still 113.2MB. Free memory was 76.5MB in the beginning and 85.1MB in the end (delta: -8.6MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2022-10-17 16:33:31,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.36ms. Allocated memory is still 113.2MB. Free memory was 91.3MB in the beginning and 80.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.41ms. Allocated memory is still 113.2MB. Free memory was 79.9MB in the beginning and 78.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.28ms. Allocated memory is still 113.2MB. Free memory was 78.1MB in the beginning and 76.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 642.90ms. Allocated memory is still 113.2MB. Free memory was 76.5MB in the beginning and 85.1MB in the end (delta: -8.6MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:33:31,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB --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 c642b478618f67be61772197bb614a61e988cb880f57faee5dd0470714f61e7e --- 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-dbf71c6-m [2022-10-17 16:33:33,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:33:33,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:33:33,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:33:33,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:33:33,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:33:33,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:33:33,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:33:33,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:33:33,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:33:33,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:33:33,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:33:33,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:33:33,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:33:33,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:33:33,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:33:33,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:33:33,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:33:33,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:33:33,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:33:33,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:33:33,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:33:33,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:33:33,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:33:33,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:33:33,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:33:33,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:33:33,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:33:33,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:33:33,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:33:33,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:33:33,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:33:33,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:33:33,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:33:33,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:33:33,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:33:33,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:33:33,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:33:33,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:33:33,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:33:33,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:33:33,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:33:33,685 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:33:33,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:33:33,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:33:33,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:33:33,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:33:33,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:33:33,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:33:33,691 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:33:33,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:33:33,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:33:33,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:33:33,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:33:33,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:33:33,693 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:33:33,693 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:33:33,693 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:33:33,694 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:33:33,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:33:33,694 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:33:33,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:33:33,694 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:33:33,695 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:33:33,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:33:33,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:33,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:33:33,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:33:33,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:33:33,696 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:33:33,696 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:33:33,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:33:33,697 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:33:33,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:33:33,697 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_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c642b478618f67be61772197bb614a61e988cb880f57faee5dd0470714f61e7e [2022-10-17 16:33:34,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:33:34,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:33:34,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:33:34,115 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:33:34,116 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:33:34,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2022-10-17 16:33:34,199 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/data/78cd2f070/e0706110fe4043c88567649f8803ebb7/FLAG564b7034d [2022-10-17 16:33:34,794 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:33:34,794 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2022-10-17 16:33:34,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/data/78cd2f070/e0706110fe4043c88567649f8803ebb7/FLAG564b7034d [2022-10-17 16:33:35,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/data/78cd2f070/e0706110fe4043c88567649f8803ebb7 [2022-10-17 16:33:35,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:33:35,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:33:35,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:35,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:33:35,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:33:35,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:35" (1/1) ... [2022-10-17 16:33:35,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@791735d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:35, skipping insertion in model container [2022-10-17 16:33:35,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:35" (1/1) ... [2022-10-17 16:33:35,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:33:35,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:35,345 WARN L230 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_2de82ef5-96a5-4155-b908-3746ab32e1d3/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-10-17 16:33:35,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:35,391 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 16:33:35,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:35,442 WARN L230 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_2de82ef5-96a5-4155-b908-3746ab32e1d3/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-10-17 16:33:35,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:35,463 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:35,516 WARN L230 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_2de82ef5-96a5-4155-b908-3746ab32e1d3/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-10-17 16:33:35,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:35,544 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:35,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:35 WrapperNode [2022-10-17 16:33:35,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:35,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:35,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:35,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:35,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:35" (1/1) ... [2022-10-17 16:33:35,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:35" (1/1) ... [2022-10-17 16:33:35,602 INFO L138 Inliner]: procedures = 28, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 119 [2022-10-17 16:33:35,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:35,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:35,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:35,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:35,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:35" (1/1) ... [2022-10-17 16:33:35,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:35" (1/1) ... [2022-10-17 16:33:35,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:35" (1/1) ... [2022-10-17 16:33:35,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:35" (1/1) ... [2022-10-17 16:33:35,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:35" (1/1) ... [2022-10-17 16:33:35,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:35" (1/1) ... [2022-10-17 16:33:35,634 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:35" (1/1) ... [2022-10-17 16:33:35,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:35" (1/1) ... [2022-10-17 16:33:35,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:35,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:35,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:35,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:35,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:35" (1/1) ... [2022-10-17 16:33:35,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:35,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:35,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:35,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:33:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:33:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:33:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:33:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:33:35,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:33:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:33:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:33:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:33:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:33:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:33:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:33:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:33:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:35,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:33:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:33:35,730 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:33:35,869 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:35,872 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:33:36,341 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:33:36,615 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:33:36,622 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:33:36,623 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L110 is neither atomic block end nor a sink node. [2022-10-17 16:33:36,624 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2022-10-17 16:33:36,631 INFO L158 Benchmark]: Toolchain (without parser) took 1512.22ms. Allocated memory is still 71.3MB. Free memory was 51.5MB in the beginning and 40.7MB in the end (delta: 10.8MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2022-10-17 16:33:36,632 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 54.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:33:36,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.30ms. Allocated memory is still 71.3MB. Free memory was 51.3MB in the beginning and 52.2MB in the end (delta: -866.6kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:33:36,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.11ms. Allocated memory is still 71.3MB. Free memory was 52.2MB in the beginning and 50.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:33:36,637 INFO L158 Benchmark]: Boogie Preprocessor took 36.82ms. Allocated memory is still 71.3MB. Free memory was 50.5MB in the beginning and 48.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:33:36,638 INFO L158 Benchmark]: RCFGBuilder took 988.40ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 40.7MB in the end (delta: 8.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-10-17 16:33:36,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 54.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.30ms. Allocated memory is still 71.3MB. Free memory was 51.3MB in the beginning and 52.2MB in the end (delta: -866.6kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.11ms. Allocated memory is still 71.3MB. Free memory was 52.2MB in the beginning and 50.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.82ms. Allocated memory is still 71.3MB. Free memory was 50.5MB in the beginning and 48.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 988.40ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 40.7MB in the end (delta: 8.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:33:36,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de82ef5-96a5-4155-b908-3746ab32e1d3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?