./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_bench_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_bench_longest-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak --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 1032962bab81efccaa9685a159e7a1daa04c852a .......................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_bench_longest-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak --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 1032962bab81efccaa9685a159e7a1daa04c852a .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:27:19,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:27:19,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:27:19,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:27:19,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:27:19,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:27:19,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:27:19,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:27:19,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:27:19,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:27:19,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:27:19,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:27:19,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:27:20,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:27:20,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:27:20,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:27:20,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:27:20,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:27:20,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:27:20,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:27:20,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:27:20,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:27:20,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:27:20,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:27:20,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:27:20,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:27:20,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:27:20,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:27:20,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:27:20,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:27:20,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:27:20,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:27:20,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:27:20,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:27:20,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:27:20,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:27:20,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:27:20,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:27:20,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:27:20,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:27:20,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:27:20,067 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:27:20,111 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:27:20,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:27:20,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:27:20,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:27:20,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:27:20,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:27:20,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:27:20,120 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:27:20,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:27:20,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:27:20,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:27:20,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:27:20,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:27:20,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:27:20,123 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:27:20,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:27:20,123 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:27:20,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:27:20,124 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:27:20,124 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:27:20,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:27:20,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:27:20,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:27:20,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:27:20,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:27:20,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:27:20,126 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:27:20,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:27:20,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:27:20,128 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-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032962bab81efccaa9685a159e7a1daa04c852a [2020-12-01 16:27:20,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:27:20,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:27:20,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:27:20,572 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:27:20,573 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:27:20,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/../../sv-benchmarks/c/pthread/fib_bench_longest-2.i [2020-12-01 16:27:20,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/data/75e3dc839/ec7a71ebefbc4b5784a181481750f187/FLAG5083d9c4d [2020-12-01 16:27:21,514 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:27:21,516 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/sv-benchmarks/c/pthread/fib_bench_longest-2.i [2020-12-01 16:27:21,540 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/data/75e3dc839/ec7a71ebefbc4b5784a181481750f187/FLAG5083d9c4d [2020-12-01 16:27:21,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/data/75e3dc839/ec7a71ebefbc4b5784a181481750f187 [2020-12-01 16:27:21,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:27:21,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:27:21,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:27:21,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:27:21,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:27:21,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:27:21" (1/1) ... [2020-12-01 16:27:21,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae88a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:21, skipping insertion in model container [2020-12-01 16:27:21,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:27:21" (1/1) ... [2020-12-01 16:27:21,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:27:21,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:27:22,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:27:22,408 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:27:22,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:27:22,568 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:27:22,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:22 WrapperNode [2020-12-01 16:27:22,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:27:22,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:27:22,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:27:22,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:27:22,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:22" (1/1) ... [2020-12-01 16:27:22,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:22" (1/1) ... [2020-12-01 16:27:22,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:27:22,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:27:22,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:27:22,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:27:22,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:22" (1/1) ... [2020-12-01 16:27:22,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:22" (1/1) ... [2020-12-01 16:27:22,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:22" (1/1) ... [2020-12-01 16:27:22,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:22" (1/1) ... [2020-12-01 16:27:22,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:22" (1/1) ... [2020-12-01 16:27:22,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:22" (1/1) ... [2020-12-01 16:27:22,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:22" (1/1) ... [2020-12-01 16:27:22,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:27:22,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:27:22,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:27:22,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:27:22,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:27:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-12-01 16:27:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-12-01 16:27:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-12-01 16:27:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-12-01 16:27:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-12-01 16:27:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-12-01 16:27:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:27:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-01 16:27:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:27:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:27:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:27:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-01 16:27:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:27:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:27:22,763 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-01 16:27:23,185 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:27:23,185 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-01 16:27:23,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:23 BoogieIcfgContainer [2020-12-01 16:27:23,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:27:23,188 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:27:23,188 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:27:23,196 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:27:23,196 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:23" (1/1) ... [2020-12-01 16:27:23,197 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:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:364) 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) [2020-12-01 16:27:23,201 INFO L168 Benchmark]: Toolchain (without parser) took 1430.94 ms. Allocated memory is still 115.3 MB. Free memory was 84.5 MB in the beginning and 84.7 MB in the end (delta: -137.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:27:23,201 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 81.8 MB. Free memory was 42.3 MB in the beginning and 42.2 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:27:23,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.63 ms. Allocated memory is still 115.3 MB. Free memory was 84.2 MB in the beginning and 71.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:23,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.75 ms. Allocated memory is still 115.3 MB. Free memory was 71.7 MB in the beginning and 70.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:23,204 INFO L168 Benchmark]: Boogie Preprocessor took 50.14 ms. Allocated memory is still 115.3 MB. Free memory was 70.0 MB in the beginning and 68.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:23,205 INFO L168 Benchmark]: RCFGBuilder took 511.59 ms. Allocated memory is still 115.3 MB. Free memory was 68.4 MB in the beginning and 86.1 MB in the end (delta: -17.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:23,206 INFO L168 Benchmark]: CodeCheck took 11.58 ms. Allocated memory is still 115.3 MB. Free memory was 86.1 MB in the beginning and 84.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:27:23,210 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:175) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 81.8 MB. Free memory was 42.3 MB in the beginning and 42.2 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 798.63 ms. Allocated memory is still 115.3 MB. Free memory was 84.2 MB in the beginning and 71.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.75 ms. Allocated memory is still 115.3 MB. Free memory was 71.7 MB in the beginning and 70.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.14 ms. Allocated memory is still 115.3 MB. Free memory was 70.0 MB in the beginning and 68.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 511.59 ms. Allocated memory is still 115.3 MB. Free memory was 68.4 MB in the beginning and 86.1 MB in the end (delta: -17.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * CodeCheck took 11.58 ms. Allocated memory is still 115.3 MB. Free memory was 86.1 MB in the beginning and 84.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 16:27:25,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:27:25,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:27:25,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:27:25,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:27:25,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:27:25,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:27:25,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:27:25,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:27:25,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:27:25,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:27:25,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:27:25,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:27:25,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:27:25,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:27:25,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:27:25,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:27:25,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:27:25,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:27:25,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:27:25,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:27:25,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:27:26,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:27:26,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:27:26,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:27:26,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:27:26,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:27:26,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:27:26,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:27:26,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:27:26,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:27:26,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:27:26,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:27:26,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:27:26,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:27:26,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:27:26,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:27:26,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:27:26,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:27:26,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:27:26,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:27:26,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 16:27:26,044 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:27:26,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:27:26,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:27:26,046 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:27:26,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:27:26,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:27:26,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:27:26,047 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:27:26,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:27:26,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:27:26,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:27:26,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:27:26,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:27:26,049 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 16:27:26,049 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 16:27:26,049 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 16:27:26,049 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:27:26,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:27:26,050 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:27:26,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:27:26,050 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:27:26,050 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:27:26,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:27:26,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:27:26,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:27:26,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:27:26,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:27:26,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:27:26,052 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 16:27:26,052 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 16:27:26,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:27:26,053 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 16:27:26,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:27:26,053 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-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032962bab81efccaa9685a159e7a1daa04c852a [2020-12-01 16:27:26,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:27:26,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:27:26,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:27:26,604 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:27:26,605 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:27:26,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/../../sv-benchmarks/c/pthread/fib_bench_longest-2.i [2020-12-01 16:27:26,685 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/data/acb9960bf/66605877e7d94db2afa79a39b0c7fcad/FLAG10c5db309 [2020-12-01 16:27:27,354 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:27:27,354 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/sv-benchmarks/c/pthread/fib_bench_longest-2.i [2020-12-01 16:27:27,380 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/data/acb9960bf/66605877e7d94db2afa79a39b0c7fcad/FLAG10c5db309 [2020-12-01 16:27:27,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/data/acb9960bf/66605877e7d94db2afa79a39b0c7fcad [2020-12-01 16:27:27,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:27:27,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:27:27,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:27:27,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:27:27,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:27:27,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:27:27" (1/1) ... [2020-12-01 16:27:27,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e16c554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:27, skipping insertion in model container [2020-12-01 16:27:27,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:27:27" (1/1) ... [2020-12-01 16:27:27,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:27:27,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:27:28,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:27:28,211 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:27:28,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:27:28,357 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:27:28,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:28 WrapperNode [2020-12-01 16:27:28,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:27:28,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:27:28,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:27:28,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:27:28,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:28" (1/1) ... [2020-12-01 16:27:28,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:28" (1/1) ... [2020-12-01 16:27:28,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:27:28,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:27:28,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:27:28,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:27:28,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:28" (1/1) ... [2020-12-01 16:27:28,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:28" (1/1) ... [2020-12-01 16:27:28,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:28" (1/1) ... [2020-12-01 16:27:28,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:28" (1/1) ... [2020-12-01 16:27:28,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:28" (1/1) ... [2020-12-01 16:27:28,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:28" (1/1) ... [2020-12-01 16:27:28,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:28" (1/1) ... [2020-12-01 16:27:28,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:27:28,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:27:28,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:27:28,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:27:28,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_834f931f-9cbf-4bc3-b1c4-3b8baf5c73cf/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:27:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-12-01 16:27:28,557 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-12-01 16:27:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-12-01 16:27:28,557 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-12-01 16:27:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-12-01 16:27:28,558 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-12-01 16:27:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-01 16:27:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:27:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:27:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 16:27:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 16:27:28,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-01 16:27:28,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:27:28,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:27:28,561 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-01 16:27:29,097 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:27:29,097 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-01 16:27:29,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:29 BoogieIcfgContainer [2020-12-01 16:27:29,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:27:29,100 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:27:29,100 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:27:29,111 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:27:29,111 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:29" (1/1) ... [2020-12-01 16:27:29,112 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:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:364) 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) [2020-12-01 16:27:29,119 INFO L168 Benchmark]: Toolchain (without parser) took 1544.15 ms. Allocated memory is still 73.4 MB. Free memory was 54.6 MB in the beginning and 34.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:29,120 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 73.4 MB. Free memory is still 55.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:27:29,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.14 ms. Allocated memory is still 73.4 MB. Free memory was 54.6 MB in the beginning and 37.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:29,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.09 ms. Allocated memory is still 73.4 MB. Free memory was 37.2 MB in the beginning and 35.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:29,124 INFO L168 Benchmark]: Boogie Preprocessor took 63.69 ms. Allocated memory is still 73.4 MB. Free memory was 35.3 MB in the beginning and 56.4 MB in the end (delta: -21.1 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:29,125 INFO L168 Benchmark]: RCFGBuilder took 615.08 ms. Allocated memory is still 73.4 MB. Free memory was 56.4 MB in the beginning and 35.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:29,125 INFO L168 Benchmark]: CodeCheck took 16.04 ms. Allocated memory is still 73.4 MB. Free memory was 35.5 MB in the beginning and 34.6 MB in the end (delta: 874.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:27:29,135 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:175) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 73.4 MB. Free memory is still 55.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 784.14 ms. Allocated memory is still 73.4 MB. Free memory was 54.6 MB in the beginning and 37.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.09 ms. Allocated memory is still 73.4 MB. Free memory was 37.2 MB in the beginning and 35.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.69 ms. Allocated memory is still 73.4 MB. Free memory was 35.3 MB in the beginning and 56.4 MB in the end (delta: -21.1 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 615.08 ms. Allocated memory is still 73.4 MB. Free memory was 56.4 MB in the beginning and 35.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 16.04 ms. Allocated memory is still 73.4 MB. Free memory was 35.5 MB in the beginning and 34.6 MB in the end (delta: 874.1 kB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...