./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/unroll-4.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_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/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_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/unroll-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/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_0e17afd4-6dfa-4d72-9e97-7d527e881007/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 7071c3ff0bb3d9f81f254bc51d27ce3551a85cc081b1b878560a7d4c8f67639e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:54,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:54,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:54,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:54,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:54,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:54,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:54,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:54,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:54,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:54,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:54,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:54,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:54,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:54,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:54,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:54,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:54,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:54,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:54,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:54,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:54,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:54,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:54,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:54,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:54,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:54,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:54,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:54,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:54,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:54,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:54,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:54,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:54,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:54,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:54,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:54,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:54,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:54,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:54,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:54,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:54,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:02:55,042 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:55,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:55,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:55,044 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:55,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:55,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:55,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:55,045 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:55,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:55,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:55,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:55,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:55,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:55,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:55,048 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:55,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:55,048 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:55,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:55,048 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:55,048 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:55,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:55,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:55,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:55,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:55,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:55,050 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:02:55,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:02:55,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:55,050 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_0e17afd4-6dfa-4d72-9e97-7d527e881007/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7071c3ff0bb3d9f81f254bc51d27ce3551a85cc081b1b878560a7d4c8f67639e [2021-11-23 15:02:55,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:55,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:55,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:55,388 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:55,389 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:55,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/unroll-4.wvr.c [2021-11-23 15:02:55,473 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/data/946d9bc31/536e7c77bac243b8ae652b59ffb60c53/FLAG49be0f59b [2021-11-23 15:02:56,060 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:56,061 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/sv-benchmarks/c/weaver/unroll-4.wvr.c [2021-11-23 15:02:56,073 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/data/946d9bc31/536e7c77bac243b8ae652b59ffb60c53/FLAG49be0f59b [2021-11-23 15:02:56,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/data/946d9bc31/536e7c77bac243b8ae652b59ffb60c53 [2021-11-23 15:02:56,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:56,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:56,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:56,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:56,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:56,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1670850a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56, skipping insertion in model container [2021-11-23 15:02:56,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:56,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:56,649 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_0e17afd4-6dfa-4d72-9e97-7d527e881007/sv-benchmarks/c/weaver/unroll-4.wvr.c[2572,2585] [2021-11-23 15:02:56,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:56,665 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:56,688 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_0e17afd4-6dfa-4d72-9e97-7d527e881007/sv-benchmarks/c/weaver/unroll-4.wvr.c[2572,2585] [2021-11-23 15:02:56,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:56,705 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:56,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56 WrapperNode [2021-11-23 15:02:56,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:56,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:56,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:56,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:56,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,744 INFO L137 Inliner]: procedures = 24, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2021-11-23 15:02:56,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:56,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:56,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:56,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:56,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:56,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:56,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:56,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:56,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:56,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:56,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:56,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:56,854 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:02:56,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:02:56,854 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:02:56,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:02:56,854 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:02:56,855 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:02:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:02:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:02:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:02:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:02:56,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:56,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:56,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:02:56,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:02:56,858 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 15:02:56,942 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:56,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:57,264 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:02:57,276 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:02:57,276 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 15:02:57,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:02:57 BoogieIcfgContainer [2021-11-23 15:02:57,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:02:57,280 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:02:57,281 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:02:57,293 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:02:57,294 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:57,295 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 15:02:57,300 INFO L158 Benchmark]: Toolchain (without parser) took 909.65ms. Allocated memory is still 121.6MB. Free memory was 88.5MB in the beginning and 77.1MB in the end (delta: 11.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-11-23 15:02:57,301 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:57,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.25ms. Allocated memory is still 121.6MB. Free memory was 88.3MB in the beginning and 94.8MB in the end (delta: -6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:02:57,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.85ms. Allocated memory is still 121.6MB. Free memory was 94.8MB in the beginning and 93.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:57,305 INFO L158 Benchmark]: Boogie Preprocessor took 30.37ms. Allocated memory is still 121.6MB. Free memory was 93.0MB in the beginning and 91.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:57,306 INFO L158 Benchmark]: RCFGBuilder took 503.56ms. Allocated memory is still 121.6MB. Free memory was 91.8MB in the beginning and 78.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:02:57,307 INFO L158 Benchmark]: CodeCheck took 17.19ms. Allocated memory is still 121.6MB. Free memory was 78.0MB in the beginning and 77.1MB in the end (delta: 892.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:57,313 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 0.18ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.25ms. Allocated memory is still 121.6MB. Free memory was 88.3MB in the beginning and 94.8MB in the end (delta: -6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.85ms. Allocated memory is still 121.6MB. Free memory was 94.8MB in the beginning and 93.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.37ms. Allocated memory is still 121.6MB. Free memory was 93.0MB in the beginning and 91.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.56ms. Allocated memory is still 121.6MB. Free memory was 91.8MB in the beginning and 78.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 17.19ms. Allocated memory is still 121.6MB. Free memory was 78.0MB in the beginning and 77.1MB in the end (delta: 892.7kB). 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 15:02:57,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/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_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/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_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/unroll-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/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_0e17afd4-6dfa-4d72-9e97-7d527e881007/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 7071c3ff0bb3d9f81f254bc51d27ce3551a85cc081b1b878560a7d4c8f67639e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:59,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:59,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:00,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:00,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:00,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:00,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:00,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:00,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:00,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:00,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:00,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:00,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:00,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:00,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:00,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:00,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:00,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:00,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:00,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:00,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:00,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:00,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:00,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:00,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:00,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:00,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:00,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:00,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:00,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:00,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:00,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:00,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:00,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:00,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:00,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:00,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:00,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:00,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:00,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:00,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:00,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:00,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:00,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:00,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:00,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:00,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:00,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:00,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:00,171 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:00,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:00,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:00,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:00,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:00,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:00,173 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:00,173 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:00,174 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:00,174 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:00,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:00,174 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:00,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:00,175 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:00,175 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:00,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:00,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:00,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:00,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:00,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:00,176 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:00,177 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:00,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:00,177 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:00,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:00,178 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_0e17afd4-6dfa-4d72-9e97-7d527e881007/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7071c3ff0bb3d9f81f254bc51d27ce3551a85cc081b1b878560a7d4c8f67639e [2021-11-23 15:03:00,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:00,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:00,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:00,663 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:00,664 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:00,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/unroll-4.wvr.c [2021-11-23 15:03:00,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/data/1cc700337/a19d43bb0f6c4d32a23f9b35d4a68f00/FLAG55035520f [2021-11-23 15:03:01,311 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:01,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/sv-benchmarks/c/weaver/unroll-4.wvr.c [2021-11-23 15:03:01,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/data/1cc700337/a19d43bb0f6c4d32a23f9b35d4a68f00/FLAG55035520f [2021-11-23 15:03:01,680 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/data/1cc700337/a19d43bb0f6c4d32a23f9b35d4a68f00 [2021-11-23 15:03:01,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:01,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:01,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:01,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:01,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:01,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:01" (1/1) ... [2021-11-23 15:03:01,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad8228d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:01, skipping insertion in model container [2021-11-23 15:03:01,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:01" (1/1) ... [2021-11-23 15:03:01,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:01,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:01,899 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_0e17afd4-6dfa-4d72-9e97-7d527e881007/sv-benchmarks/c/weaver/unroll-4.wvr.c[2572,2585] [2021-11-23 15:03:01,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:01,928 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:03:01,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:01,997 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_0e17afd4-6dfa-4d72-9e97-7d527e881007/sv-benchmarks/c/weaver/unroll-4.wvr.c[2572,2585] [2021-11-23 15:03:02,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:02,015 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:02,068 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_0e17afd4-6dfa-4d72-9e97-7d527e881007/sv-benchmarks/c/weaver/unroll-4.wvr.c[2572,2585] [2021-11-23 15:03:02,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:02,104 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:02,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:02 WrapperNode [2021-11-23 15:03:02,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:02,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:02,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:02,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:02,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:02" (1/1) ... [2021-11-23 15:03:02,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:02" (1/1) ... [2021-11-23 15:03:02,163 INFO L137 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2021-11-23 15:03:02,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:02,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:02,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:02,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:02,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:02" (1/1) ... [2021-11-23 15:03:02,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:02" (1/1) ... [2021-11-23 15:03:02,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:02" (1/1) ... [2021-11-23 15:03:02,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:02" (1/1) ... [2021-11-23 15:03:02,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:02" (1/1) ... [2021-11-23 15:03:02,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:02" (1/1) ... [2021-11-23 15:03:02,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:02" (1/1) ... [2021-11-23 15:03:02,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:02,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:02,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:02,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:02,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:02" (1/1) ... [2021-11-23 15:03:02,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:02,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:02,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:02,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:02,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:03:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:03:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:03:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:03:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:03:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:03:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:03:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:03:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:03:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:02,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:03:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:03:02,325 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 15:03:02,428 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:02,435 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:02,846 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:02,863 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:03:02,864 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 15:03:02,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:03:02 BoogieIcfgContainer [2021-11-23 15:03:02,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:03:02,867 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:03:02,867 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:03:02,880 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:03:02,880 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:03:02" (1/1) ... [2021-11-23 15:03:02,881 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 15:03:02,889 INFO L158 Benchmark]: Toolchain (without parser) took 1202.03ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.5MB in the beginning and 50.7MB in the end (delta: -14.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:02,891 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:02,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.44ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.3MB in the beginning and 52.3MB in the end (delta: -16.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:02,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.98ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 50.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:02,895 INFO L158 Benchmark]: Boogie Preprocessor took 48.40ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 48.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:02,896 INFO L158 Benchmark]: RCFGBuilder took 652.82ms. Allocated memory is still 71.3MB. Free memory was 48.9MB in the beginning and 51.6MB in the end (delta: -2.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:02,897 INFO L158 Benchmark]: CodeCheck took 19.00ms. Allocated memory is still 71.3MB. Free memory was 51.6MB in the beginning and 50.7MB in the end (delta: 903.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:02,907 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 0.34ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.44ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.3MB in the beginning and 52.3MB in the end (delta: -16.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.98ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 50.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.40ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 48.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 652.82ms. Allocated memory is still 71.3MB. Free memory was 48.9MB in the beginning and 51.6MB in the end (delta: -2.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * CodeCheck took 19.00ms. Allocated memory is still 71.3MB. Free memory was 51.6MB in the beginning and 50.7MB in the end (delta: 903.1kB). 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 15:03:02,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e17afd4-6dfa-4d72-9e97-7d527e881007/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported