./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu --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 f3514ef3a93910f9ac9453b24d3813c22e07d2a41de38e0bc0d58abd31257770 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:20,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:20,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:20,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:20,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:20,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:20,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:20,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:20,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:20,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:20,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:20,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:20,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:20,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:20,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:20,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:20,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:20,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:20,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:20,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:20,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:20,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:20,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:20,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:20,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:20,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:20,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:20,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:20,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:20,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:20,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:20,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:20,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:20,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:20,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:20,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:20,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:20,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:20,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:20,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:20,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:20,872 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:52:20,896 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:20,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:20,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:20,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:20,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:20,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:20,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:20,899 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:20,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:20,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:20,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:20,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:20,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:20,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:20,901 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:20,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:20,901 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:20,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:20,902 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:20,902 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:20,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:20,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:20,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:20,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:20,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:20,903 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:52:20,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:52:20,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:20,904 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_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3514ef3a93910f9ac9453b24d3813c22e07d2a41de38e0bc0d58abd31257770 [2021-11-23 15:52:21,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:21,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:21,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:21,267 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:21,268 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:21,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2021-11-23 15:52:21,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/data/99abfe007/6d7d473a06024f689730a8cb1cadcb8d/FLAG027838dc6 [2021-11-23 15:52:21,809 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:21,809 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2021-11-23 15:52:21,818 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/data/99abfe007/6d7d473a06024f689730a8cb1cadcb8d/FLAG027838dc6 [2021-11-23 15:52:22,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/data/99abfe007/6d7d473a06024f689730a8cb1cadcb8d [2021-11-23 15:52:22,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:22,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:22,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:22,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:22,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:22,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:22" (1/1) ... [2021-11-23 15:52:22,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ea4a04c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:22, skipping insertion in model container [2021-11-23 15:52:22,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:22" (1/1) ... [2021-11-23 15:52:22,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:22,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:22,453 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_07c2831f-1824-4f7e-91db-3dc58ae820fd/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c[2309,2322] [2021-11-23 15:52:22,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:22,466 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:22,490 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_07c2831f-1824-4f7e-91db-3dc58ae820fd/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c[2309,2322] [2021-11-23 15:52:22,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:22,506 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:22,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:22 WrapperNode [2021-11-23 15:52:22,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:22,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:22,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:22,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:22,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:22" (1/1) ... [2021-11-23 15:52:22,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:22" (1/1) ... [2021-11-23 15:52:22,547 INFO L137 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2021-11-23 15:52:22,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:22,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:22,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:22,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:22,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:22" (1/1) ... [2021-11-23 15:52:22,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:22" (1/1) ... [2021-11-23 15:52:22,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:22" (1/1) ... [2021-11-23 15:52:22,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:22" (1/1) ... [2021-11-23 15:52:22,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:22" (1/1) ... [2021-11-23 15:52:22,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:22" (1/1) ... [2021-11-23 15:52:22,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:22" (1/1) ... [2021-11-23 15:52:22,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:22,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:22,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:22,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:22,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:22" (1/1) ... [2021-11-23 15:52:22,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:22,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:22,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:22,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:52:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:52:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:52:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:52:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:52:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:52:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:52:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:52:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:52:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:52:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:52:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:52:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:52:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:52:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:52:22,740 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 15:52:22,830 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:22,833 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:23,208 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:23,219 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:52:23,219 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 15:52:23,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:52:23 BoogieIcfgContainer [2021-11-23 15:52:23,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:52:23,223 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:52:23,223 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:52:23,236 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:52:23,236 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:52:23" (1/1) ... [2021-11-23 15:52:23,237 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:52:23,241 INFO L158 Benchmark]: Toolchain (without parser) took 1035.58ms. Allocated memory is still 127.9MB. Free memory was 86.0MB in the beginning and 82.7MB in the end (delta: 3.4MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2021-11-23 15:52:23,241 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 127.9MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:23,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.68ms. Allocated memory is still 127.9MB. Free memory was 85.8MB in the beginning and 99.9MB in the end (delta: -14.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:52:23,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.23ms. Allocated memory is still 127.9MB. Free memory was 99.9MB in the beginning and 98.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:23,244 INFO L158 Benchmark]: Boogie Preprocessor took 63.79ms. Allocated memory is still 127.9MB. Free memory was 98.3MB in the beginning and 96.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:23,245 INFO L158 Benchmark]: RCFGBuilder took 609.35ms. Allocated memory is still 127.9MB. Free memory was 96.7MB in the beginning and 83.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:23,246 INFO L158 Benchmark]: CodeCheck took 16.28ms. Allocated memory is still 127.9MB. Free memory was 83.8MB in the beginning and 82.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:23,249 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 127.9MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.68ms. Allocated memory is still 127.9MB. Free memory was 85.8MB in the beginning and 99.9MB in the end (delta: -14.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.23ms. Allocated memory is still 127.9MB. Free memory was 99.9MB in the beginning and 98.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.79ms. Allocated memory is still 127.9MB. Free memory was 98.3MB in the beginning and 96.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 609.35ms. Allocated memory is still 127.9MB. Free memory was 96.7MB in the beginning and 83.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 16.28ms. Allocated memory is still 127.9MB. Free memory was 83.8MB in the beginning and 82.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:52:23,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/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_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu --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 f3514ef3a93910f9ac9453b24d3813c22e07d2a41de38e0bc0d58abd31257770 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:26,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:26,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:26,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:26,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:26,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:26,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:26,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:26,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:26,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:26,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:26,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:26,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:26,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:26,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:26,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:26,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:26,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:26,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:26,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:26,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:26,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:26,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:26,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:26,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:26,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:26,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:26,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:26,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:26,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:26,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:26,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:26,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:26,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:26,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:26,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:26,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:26,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:26,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:26,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:26,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:26,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:52:26,250 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:26,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:26,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:26,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:26,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:26,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:26,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:26,256 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:26,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:26,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:26,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:26,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:26,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:26,259 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:26,259 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:26,259 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:26,259 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:26,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:26,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:26,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:26,261 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:26,261 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:26,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:26,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:26,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:26,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:26,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:26,262 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:26,263 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:26,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:26,263 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:26,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:26,264 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_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3514ef3a93910f9ac9453b24d3813c22e07d2a41de38e0bc0d58abd31257770 [2021-11-23 15:52:26,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:26,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:26,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:26,714 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:26,714 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:26,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2021-11-23 15:52:26,802 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/data/f8e9b0f0f/075ff45713c8401cafc915ab8789bb82/FLAG442f934cb [2021-11-23 15:52:27,434 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:27,438 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2021-11-23 15:52:27,449 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/data/f8e9b0f0f/075ff45713c8401cafc915ab8789bb82/FLAG442f934cb [2021-11-23 15:52:27,761 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/data/f8e9b0f0f/075ff45713c8401cafc915ab8789bb82 [2021-11-23 15:52:27,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:27,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:27,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:27,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:27,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:27,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:27" (1/1) ... [2021-11-23 15:52:27,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a902f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:27, skipping insertion in model container [2021-11-23 15:52:27,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:27" (1/1) ... [2021-11-23 15:52:27,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:27,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:27,972 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_07c2831f-1824-4f7e-91db-3dc58ae820fd/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c[2309,2322] [2021-11-23 15:52:27,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:27,994 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:28,075 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_07c2831f-1824-4f7e-91db-3dc58ae820fd/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c[2309,2322] [2021-11-23 15:52:28,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:28,093 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:28,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:28 WrapperNode [2021-11-23 15:52:28,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:28,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:28,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:28,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:28,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:28" (1/1) ... [2021-11-23 15:52:28,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:28" (1/1) ... [2021-11-23 15:52:28,135 INFO L137 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2021-11-23 15:52:28,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:28,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:28,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:28,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:28,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:28" (1/1) ... [2021-11-23 15:52:28,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:28" (1/1) ... [2021-11-23 15:52:28,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:28" (1/1) ... [2021-11-23 15:52:28,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:28" (1/1) ... [2021-11-23 15:52:28,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:28" (1/1) ... [2021-11-23 15:52:28,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:28" (1/1) ... [2021-11-23 15:52:28,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:28" (1/1) ... [2021-11-23 15:52:28,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:28,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:28,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:28,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:28,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:28" (1/1) ... [2021-11-23 15:52:28,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:28,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:28,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:28,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:52:28,264 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:52:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:52:28,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:52:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:52:28,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:52:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:52:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:52:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:52:28,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:52:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:52:28,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:52:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:52:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:52:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:52:28,272 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 15:52:28,441 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:28,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:28,737 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:28,746 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:52:28,747 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 15:52:28,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:52:28 BoogieIcfgContainer [2021-11-23 15:52:28,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:52:28,762 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:52:28,763 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:52:28,773 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:52:28,773 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:52:28" (1/1) ... [2021-11-23 15:52:28,774 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:52:28,782 INFO L158 Benchmark]: Toolchain (without parser) took 1014.70ms. Allocated memory is still 60.8MB. Free memory was 40.8MB in the beginning and 26.8MB in the end (delta: 14.0MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 15:52:28,784 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 60.8MB. Free memory was 42.2MB in the beginning and 42.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:28,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.57ms. Allocated memory is still 60.8MB. Free memory was 40.6MB in the beginning and 43.8MB in the end (delta: -3.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:52:28,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.20ms. Allocated memory is still 60.8MB. Free memory was 43.6MB in the beginning and 41.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:28,788 INFO L158 Benchmark]: Boogie Preprocessor took 29.16ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 40.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:28,790 INFO L158 Benchmark]: RCFGBuilder took 595.41ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 27.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:28,791 INFO L158 Benchmark]: CodeCheck took 16.81ms. Allocated memory is still 60.8MB. Free memory was 27.9MB in the beginning and 26.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:28,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 60.8MB. Free memory was 42.2MB in the beginning and 42.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.57ms. Allocated memory is still 60.8MB. Free memory was 40.6MB in the beginning and 43.8MB in the end (delta: -3.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.20ms. Allocated memory is still 60.8MB. Free memory was 43.6MB in the beginning and 41.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.16ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 40.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 595.41ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 27.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 16.81ms. Allocated memory is still 60.8MB. Free memory was 27.9MB in the beginning and 26.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:52:28,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07c2831f-1824-4f7e-91db-3dc58ae820fd/bin/ukojak-CwSLpZB5Qu/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: Concurrent programs are currently unsupported