./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ --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 c7095f70ba7104a12a93da2a0b557c5b5c6880d23caa33c7c2fd19334f4cb537 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:22:52,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:22:52,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:22:52,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:22:52,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:22:52,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:22:52,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:22:52,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:22:52,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:22:52,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:22:52,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:22:52,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:22:52,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:22:52,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:22:52,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:22:52,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:22:52,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:22:52,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:22:52,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:22:52,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:22:52,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:22:52,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:22:52,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:22:52,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:22:52,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:22:52,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:22:52,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:22:52,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:22:52,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:22:52,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:22:52,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:22:52,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:22:52,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:22:52,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:22:52,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:22:52,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:22:52,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:22:52,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:22:52,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:22:52,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:22:52,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:22:52,790 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:22:52,833 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:22:52,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:22:52,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:22:52,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:22:52,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:22:52,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:22:52,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:22:52,844 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:22:52,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:22:52,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:22:52,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:22:52,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:22:52,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:22:52,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:22:52,853 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:22:52,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:22:52,854 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:22:52,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:22:52,854 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:22:52,854 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:22:52,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:22:52,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:22:52,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:22:52,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:22:52,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:22:52,856 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:22:52,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:22:52,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:22:52,857 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_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7095f70ba7104a12a93da2a0b557c5b5c6880d23caa33c7c2fd19334f4cb537 [2021-11-23 01:22:53,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:22:53,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:22:53,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:22:53,192 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:22:53,193 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:22:53,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2021-11-23 01:22:53,283 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/data/0d294cad4/6e22ba23c789420dab54b9ee37b313b1/FLAGeeddca770 [2021-11-23 01:22:53,742 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:22:53,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2021-11-23 01:22:53,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/data/0d294cad4/6e22ba23c789420dab54b9ee37b313b1/FLAGeeddca770 [2021-11-23 01:22:54,110 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/data/0d294cad4/6e22ba23c789420dab54b9ee37b313b1 [2021-11-23 01:22:54,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:22:54,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:22:54,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:22:54,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:22:54,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:22:54,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:54" (1/1) ... [2021-11-23 01:22:54,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db838f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:54, skipping insertion in model container [2021-11-23 01:22:54,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:54" (1/1) ... [2021-11-23 01:22:54,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:22:54,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:22:54,382 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_a3bbce8b-869b-4c89-bbd3-1d3950488e18/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c[4400,4413] [2021-11-23 01:22:54,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:22:54,395 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:22:54,426 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_a3bbce8b-869b-4c89-bbd3-1d3950488e18/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c[4400,4413] [2021-11-23 01:22:54,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:22:54,442 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:22:54,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:54 WrapperNode [2021-11-23 01:22:54,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:22:54,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:22:54,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:22:54,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:22:54,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:54" (1/1) ... [2021-11-23 01:22:54,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:54" (1/1) ... [2021-11-23 01:22:54,488 INFO L137 Inliner]: procedures = 25, calls = 100, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 137 [2021-11-23 01:22:54,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:22:54,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:22:54,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:22:54,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:22:54,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:54" (1/1) ... [2021-11-23 01:22:54,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:54" (1/1) ... [2021-11-23 01:22:54,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:54" (1/1) ... [2021-11-23 01:22:54,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:54" (1/1) ... [2021-11-23 01:22:54,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:54" (1/1) ... [2021-11-23 01:22:54,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:54" (1/1) ... [2021-11-23 01:22:54,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:54" (1/1) ... [2021-11-23 01:22:54,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:22:54,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:22:54,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:22:54,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:22:54,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:54" (1/1) ... [2021-11-23 01:22:54,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:22:54,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:22:54,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:22:54,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:22:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:22:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:22:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:22:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:22:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:22:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:22:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:22:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:22:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:22:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:22:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 01:22:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 01:22:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:22:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:22:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:22:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-23 01:22:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-23 01:22:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-11-23 01:22:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-11-23 01:22:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:22:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:22:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:22:54,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:22:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:22:54,655 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:22:54,789 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:22:54,791 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:22:55,088 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:22:55,237 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:22:55,237 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:22:55,238 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: assume_abort_if_notENTRY is neither atomic block end nor a sink node. [2021-11-23 01:22:55,238 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:304) 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) [2021-11-23 01:22:55,242 INFO L158 Benchmark]: Toolchain (without parser) took 1127.26ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 43.3MB in the beginning and 69.0MB in the end (delta: -25.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-11-23 01:22:55,243 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 60.0MB in the beginning and 60.0MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:22:55,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.74ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 43.1MB in the beginning and 71.2MB in the end (delta: -28.1MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2021-11-23 01:22:55,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.34ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 69.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:22:55,246 INFO L158 Benchmark]: Boogie Preprocessor took 33.30ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 67.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:22:55,247 INFO L158 Benchmark]: RCFGBuilder took 717.47ms. Allocated memory is still 96.5MB. Free memory was 67.8MB in the beginning and 69.0MB in the end (delta: -1.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-23 01:22:55,251 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 79.7MB. Free memory was 60.0MB in the beginning and 60.0MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.74ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 43.1MB in the beginning and 71.2MB in the end (delta: -28.1MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.34ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 69.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.30ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 67.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 717.47ms. Allocated memory is still 96.5MB. Free memory was 67.8MB in the beginning and 69.0MB in the end (delta: -1.2MB). 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:22:55,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/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_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ --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 c7095f70ba7104a12a93da2a0b557c5b5c6880d23caa33c7c2fd19334f4cb537 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:22:57,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:22:57,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:22:57,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:22:57,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:22:57,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:22:57,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:22:57,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:22:57,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:22:57,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:22:57,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:22:57,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:22:57,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:22:57,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:22:57,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:22:57,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:22:57,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:22:57,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:22:57,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:22:57,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:22:57,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:22:57,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:22:57,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:22:57,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:22:57,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:22:57,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:22:57,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:22:57,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:22:57,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:22:57,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:22:57,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:22:57,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:22:57,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:22:57,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:22:57,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:22:57,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:22:57,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:22:57,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:22:57,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:22:57,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:22:57,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:22:57,905 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:22:57,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:22:57,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:22:57,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:22:57,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:22:57,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:22:57,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:22:57,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:22:57,947 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:22:57,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:22:57,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:22:57,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:22:57,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:22:57,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:22:57,948 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:22:57,949 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:22:57,949 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:22:57,949 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:22:57,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:22:57,950 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:22:57,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:22:57,950 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:22:57,950 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:22:57,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:22:57,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:22:57,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:22:57,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:22:57,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:22:57,952 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:22:57,952 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:22:57,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:22:57,952 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:22:57,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:22:57,953 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_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7095f70ba7104a12a93da2a0b557c5b5c6880d23caa33c7c2fd19334f4cb537 [2021-11-23 01:22:58,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:22:58,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:22:58,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:22:58,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:22:58,374 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:22:58,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2021-11-23 01:22:58,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/data/36b4b39a0/37c8a1fa46f349f299e41b1b4e0a06e6/FLAG6be148efe [2021-11-23 01:22:58,992 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:22:58,992 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2021-11-23 01:22:59,001 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/data/36b4b39a0/37c8a1fa46f349f299e41b1b4e0a06e6/FLAG6be148efe [2021-11-23 01:22:59,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/data/36b4b39a0/37c8a1fa46f349f299e41b1b4e0a06e6 [2021-11-23 01:22:59,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:22:59,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:22:59,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:22:59,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:22:59,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:22:59,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:59" (1/1) ... [2021-11-23 01:22:59,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38879237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:59, skipping insertion in model container [2021-11-23 01:22:59,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:59" (1/1) ... [2021-11-23 01:22:59,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:22:59,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:22:59,537 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_a3bbce8b-869b-4c89-bbd3-1d3950488e18/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c[4400,4413] [2021-11-23 01:22:59,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:22:59,552 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:22:59,643 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_a3bbce8b-869b-4c89-bbd3-1d3950488e18/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c[4400,4413] [2021-11-23 01:22:59,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:22:59,665 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:22:59,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:59 WrapperNode [2021-11-23 01:22:59,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:22:59,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:22:59,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:22:59,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:22:59,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:59" (1/1) ... [2021-11-23 01:22:59,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:59" (1/1) ... [2021-11-23 01:22:59,735 INFO L137 Inliner]: procedures = 27, calls = 100, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 128 [2021-11-23 01:22:59,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:22:59,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:22:59,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:22:59,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:22:59,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:59" (1/1) ... [2021-11-23 01:22:59,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:59" (1/1) ... [2021-11-23 01:22:59,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:59" (1/1) ... [2021-11-23 01:22:59,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:59" (1/1) ... [2021-11-23 01:22:59,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:59" (1/1) ... [2021-11-23 01:22:59,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:59" (1/1) ... [2021-11-23 01:22:59,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:59" (1/1) ... [2021-11-23 01:22:59,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:22:59,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:22:59,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:22:59,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:22:59,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:59" (1/1) ... [2021-11-23 01:22:59,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:22:59,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:22:59,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:22:59,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:22:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:22:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:22:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:22:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:22:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:22:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:22:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:22:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:22:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:22:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:22:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 01:22:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 01:22:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:22:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:22:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-23 01:22:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-23 01:22:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-11-23 01:22:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-11-23 01:22:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:22:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:22:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:22:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:22:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:22:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:22:59,900 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:23:00,069 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:23:00,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:23:00,379 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:23:00,495 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:23:00,496 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:23:00,497 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: assume_abort_if_notENTRY is neither atomic block end nor a sink node. [2021-11-23 01:23:00,497 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:304) 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) [2021-11-23 01:23:00,501 INFO L158 Benchmark]: Toolchain (without parser) took 1180.08ms. Allocated memory is still 65.0MB. Free memory was 44.3MB in the beginning and 37.3MB in the end (delta: 7.0MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2021-11-23 01:23:00,502 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:23:00,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.08ms. Allocated memory is still 65.0MB. Free memory was 44.1MB in the beginning and 46.4MB in the end (delta: -2.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:23:00,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.26ms. Allocated memory is still 65.0MB. Free memory was 46.4MB in the beginning and 44.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:23:00,504 INFO L158 Benchmark]: Boogie Preprocessor took 64.86ms. Allocated memory is still 65.0MB. Free memory was 44.5MB in the beginning and 42.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:23:00,505 INFO L158 Benchmark]: RCFGBuilder took 697.39ms. Allocated memory is still 65.0MB. Free memory was 42.9MB in the beginning and 37.3MB in the end (delta: 5.5MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-11-23 01:23:00,509 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.08ms. Allocated memory is still 65.0MB. Free memory was 44.1MB in the beginning and 46.4MB in the end (delta: -2.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.26ms. Allocated memory is still 65.0MB. Free memory was 46.4MB in the beginning and 44.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.86ms. Allocated memory is still 65.0MB. Free memory was 44.5MB in the beginning and 42.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 697.39ms. Allocated memory is still 65.0MB. Free memory was 42.9MB in the beginning and 37.3MB in the end (delta: 5.5MB). Peak memory consumption was 18.7MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:23:00,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3bbce8b-869b-4c89-bbd3-1d3950488e18/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?