./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:21:48,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:21:48,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:21:48,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:21:48,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:21:48,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:21:48,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:21:48,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:21:48,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:21:48,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:21:48,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:21:48,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:21:48,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:21:48,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:21:48,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:21:48,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:21:48,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:21:48,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:21:48,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:21:48,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:21:48,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:21:48,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:21:48,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:21:48,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:21:48,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:21:48,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:21:48,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:21:48,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:21:48,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:21:48,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:21:48,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:21:48,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:21:48,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:21:48,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:21:48,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:21:48,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:21:48,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:21:48,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:21:48,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:21:48,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:21:48,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:21:48,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:21:48,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:21:48,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:21:48,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:21:48,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:21:48,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:21:48,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:21:48,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:21:48,413 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:21:48,414 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:21:48,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:21:48,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:21:48,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:21:48,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:21:48,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:21:48,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:21:48,416 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:21:48,416 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:21:48,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:21:48,417 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:21:48,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:21:48,417 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:21:48,417 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:21:48,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:21:48,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:21:48,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:21:48,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:21:48,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:21:48,418 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:21:48,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:21:48,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:21:48,420 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_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 [2022-11-20 17:21:48,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:21:48,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:21:48,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:21:48,692 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:21:48,694 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:21:48,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/seq-pthread/cs_lamport.i [2022-11-20 17:21:51,783 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:21:52,038 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:21:52,039 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/sv-benchmarks/c/seq-pthread/cs_lamport.i [2022-11-20 17:21:52,064 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ/data/5f2fc62c6/db00435c77424caebd10af50bd48faea/FLAG97611a796 [2022-11-20 17:21:52,085 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ/data/5f2fc62c6/db00435c77424caebd10af50bd48faea [2022-11-20 17:21:52,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:21:52,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:21:52,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:21:52,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:21:52,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:21:52,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:21:52" (1/1) ... [2022-11-20 17:21:52,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a9ada4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:52, skipping insertion in model container [2022-11-20 17:21:52,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:21:52" (1/1) ... [2022-11-20 17:21:52,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:21:52,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:21:52,533 WARN L237 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_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/sv-benchmarks/c/seq-pthread/cs_lamport.i[23604,23617] [2022-11-20 17:21:52,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:21:52,719 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:21:52,753 WARN L237 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_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/sv-benchmarks/c/seq-pthread/cs_lamport.i[23604,23617] [2022-11-20 17:21:52,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:21:52,878 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:21:52,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:52 WrapperNode [2022-11-20 17:21:52,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:21:52,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:21:52,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:21:52,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:21:52,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:52" (1/1) ... [2022-11-20 17:21:52,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:52" (1/1) ... [2022-11-20 17:21:52,986 INFO L138 Inliner]: procedures = 145, calls = 351, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 465 [2022-11-20 17:21:52,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:21:52,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:21:52,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:21:52,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:21:52,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:52" (1/1) ... [2022-11-20 17:21:52,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:52" (1/1) ... [2022-11-20 17:21:53,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:52" (1/1) ... [2022-11-20 17:21:53,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:52" (1/1) ... [2022-11-20 17:21:53,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:52" (1/1) ... [2022-11-20 17:21:53,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:52" (1/1) ... [2022-11-20 17:21:53,035 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:52" (1/1) ... [2022-11-20 17:21:53,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:52" (1/1) ... [2022-11-20 17:21:53,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:21:53,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:21:53,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:21:53,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:21:53,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:52" (1/1) ... [2022-11-20 17:21:53,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:21:53,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:21:53,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:21:53,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2b920f-399b-4e81-a9c2-8151f3a9aab4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:21:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:21:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:21:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:21:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:21:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:21:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:21:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:21:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-20 17:21:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-20 17:21:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:21:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-20 17:21:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-20 17:21:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 17:21:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 17:21:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:21:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:21:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-20 17:21:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-20 17:21:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:21:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:21:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:21:53,332 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:21:53,334 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:22:04,480 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:22:04,594 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:22:04,595 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:22:04,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:22:04 BoogieIcfgContainer [2022-11-20 17:22:04,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:22:04,599 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:22:04,599 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:22:04,609 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:22:04,609 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:22:04" (1/1) ... [2022-11-20 17:22:04,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:22:04,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:04,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 112 states and 154 transitions. [2022-11-20 17:22:04,710 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 154 transitions. [2022-11-20 17:22:04,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:22:04,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:04,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:05,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:15,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 17:22:15,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:15,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 114 states and 157 transitions. [2022-11-20 17:22:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 157 transitions. [2022-11-20 17:22:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:22:15,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:15,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:15,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:15,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:15,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 115 states and 158 transitions. [2022-11-20 17:22:15,895 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2022-11-20 17:22:15,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:22:15,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:15,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:23:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:28:06,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:28:06,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 116 states and 162 transitions. [2022-11-20 17:28:06,921 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 162 transitions. [2022-11-20 17:28:06,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:28:06,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:28:06,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:12,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:12,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 116 states and 163 transitions. [2022-11-20 17:34:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 163 transitions. [2022-11-20 17:34:12,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:34:12,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:12,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:12,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:34:13,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:13,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 115 states and 162 transitions. [2022-11-20 17:34:13,063 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 162 transitions. [2022-11-20 17:34:13,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:34:13,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:13,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:13,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:13,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:13,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 116 states and 164 transitions. [2022-11-20 17:34:13,696 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 164 transitions. [2022-11-20 17:34:13,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:34:13,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:13,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:14,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:14,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:14,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 115 states and 161 transitions. [2022-11-20 17:34:14,583 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2022-11-20 17:34:14,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:34:14,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:14,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat