./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/mutex_lock_int.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/mutex_lock_int.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH --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 29fba5f4ac17a20a4ac674b5e14b38ca5eb595a28b35584823725860f0338438 --- 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-e04fb08 [2022-11-16 07:57:33,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:57:33,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:57:33,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:57:33,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:57:33,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:57:33,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:57:33,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:57:33,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:57:33,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:57:33,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:57:33,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:57:33,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:57:33,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:57:33,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:57:33,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:57:33,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:57:33,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:57:33,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:57:33,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:57:33,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:57:33,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:57:33,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:57:33,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:57:33,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:57:33,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:57:33,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:57:33,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:57:33,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:57:33,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:57:33,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:57:33,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:57:33,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:57:33,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:57:33,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:57:33,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:57:33,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:57:33,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:57:33,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:57:33,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:57:33,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:57:33,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 07:57:33,474 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:57:33,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:57:33,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 07:57:33,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 07:57:33,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:57:33,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:57:33,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:57:33,476 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 07:57:33,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 07:57:33,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 07:57:33,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:57:33,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 07:57:33,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:57:33,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 07:57:33,478 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 07:57:33,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 07:57:33,478 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:57:33,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 07:57:33,479 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:57:33,479 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:57:33,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:57:33,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:57:33,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:57:33,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:57:33,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 07:57:33,480 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 07:57:33,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 07:57:33,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 07:57:33,481 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_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29fba5f4ac17a20a4ac674b5e14b38ca5eb595a28b35584823725860f0338438 [2022-11-16 07:57:33,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:57:33,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:57:33,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:57:33,833 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:57:33,834 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:57:33,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/ldv-regression/mutex_lock_int.c_1.i [2022-11-16 07:57:33,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/data/cc0030071/82421746643b4334bb06c71290b9f5c9/FLAG8ab55158f [2022-11-16 07:57:34,393 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:57:34,393 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/sv-benchmarks/c/ldv-regression/mutex_lock_int.c_1.i [2022-11-16 07:57:34,399 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/data/cc0030071/82421746643b4334bb06c71290b9f5c9/FLAG8ab55158f [2022-11-16 07:57:34,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/data/cc0030071/82421746643b4334bb06c71290b9f5c9 [2022-11-16 07:57:34,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:57:34,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:57:34,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:57:34,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:57:34,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:57:34,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:57:34" (1/1) ... [2022-11-16 07:57:34,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1090a333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:34, skipping insertion in model container [2022-11-16 07:57:34,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:57:34" (1/1) ... [2022-11-16 07:57:34,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:57:34,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:57:35,039 WARN L229 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_fde6d7c9-44f4-4b65-bd27-5a96e6239705/sv-benchmarks/c/ldv-regression/mutex_lock_int.c_1.i[297,310] [2022-11-16 07:57:35,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:57:35,072 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:57:35,085 WARN L229 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_fde6d7c9-44f4-4b65-bd27-5a96e6239705/sv-benchmarks/c/ldv-regression/mutex_lock_int.c_1.i[297,310] [2022-11-16 07:57:35,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:57:35,105 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:57:35,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:35 WrapperNode [2022-11-16 07:57:35,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:57:35,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:57:35,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:57:35,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:57:35,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:35" (1/1) ... [2022-11-16 07:57:35,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:35" (1/1) ... [2022-11-16 07:57:35,147 INFO L138 Inliner]: procedures = 15, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 30 [2022-11-16 07:57:35,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:57:35,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:57:35,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:57:35,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:57:35,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:35" (1/1) ... [2022-11-16 07:57:35,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:35" (1/1) ... [2022-11-16 07:57:35,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:35" (1/1) ... [2022-11-16 07:57:35,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:35" (1/1) ... [2022-11-16 07:57:35,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:35" (1/1) ... [2022-11-16 07:57:35,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:35" (1/1) ... [2022-11-16 07:57:35,181 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:35" (1/1) ... [2022-11-16 07:57:35,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:35" (1/1) ... [2022-11-16 07:57:35,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:57:35,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:57:35,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:57:35,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:57:35,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:35" (1/1) ... [2022-11-16 07:57:35,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:57:35,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:57:35,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:57:35,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:57:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 07:57:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure err [2022-11-16 07:57:35,265 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2022-11-16 07:57:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 07:57:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 07:57:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 07:57:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:57:35,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:57:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 07:57:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 07:57:35,337 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:57:35,338 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:57:35,462 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:57:35,494 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:57:35,495 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 07:57:35,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:57:35 BoogieIcfgContainer [2022-11-16 07:57:35,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 07:57:35,505 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 07:57:35,505 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 07:57:35,516 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 07:57:35,516 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:57:35" (1/1) ... [2022-11-16 07:57:35,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 07:57:35,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:57:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-11-16 07:57:35,614 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-11-16 07:57:35,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 07:57:35,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:57:35,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:57:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:57:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:57:36,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:57:36,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2022-11-16 07:57:36,018 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-11-16 07:57:36,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 07:57:36,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:57:36,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:57:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:57:36,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:57:36,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:57:36,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2022-11-16 07:57:36,351 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2022-11-16 07:57:36,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 07:57:36,351 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2022-11-16 07:57:36,367 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-11-16 07:57:36,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 16.11 07:57:36 ImpRootNode [2022-11-16 07:57:36,391 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-16 07:57:36,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 07:57:36,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 07:57:36,392 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 07:57:36,393 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:57:35" (3/4) ... [2022-11-16 07:57:36,396 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 07:57:36,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure err [2022-11-16 07:57:36,408 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-16 07:57:36,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-16 07:57:36,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 07:57:36,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 07:57:36,446 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/witness.graphml [2022-11-16 07:57:36,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 07:57:36,447 INFO L158 Benchmark]: Toolchain (without parser) took 1684.41ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 63.5MB in the beginning and 99.7MB in the end (delta: -36.2MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2022-11-16 07:57:36,448 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:57:36,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.33ms. Allocated memory is still 98.6MB. Free memory was 63.4MB in the beginning and 75.7MB in the end (delta: -12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 07:57:36,449 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.12ms. Allocated memory is still 98.6MB. Free memory was 75.7MB in the beginning and 74.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 07:57:36,449 INFO L158 Benchmark]: Boogie Preprocessor took 35.98ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 73.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:57:36,450 INFO L158 Benchmark]: RCFGBuilder took 318.87ms. Allocated memory is still 98.6MB. Free memory was 73.3MB in the beginning and 62.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 07:57:36,451 INFO L158 Benchmark]: CodeCheck took 886.02ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 62.9MB in the beginning and 101.8MB in the end (delta: -38.9MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2022-11-16 07:57:36,451 INFO L158 Benchmark]: Witness Printer took 54.68ms. Allocated memory is still 136.3MB. Free memory was 101.8MB in the beginning and 99.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 07:57:36,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 9 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.33ms. Allocated memory is still 98.6MB. Free memory was 63.4MB in the beginning and 75.7MB in the end (delta: -12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.12ms. Allocated memory is still 98.6MB. Free memory was 75.7MB in the beginning and 74.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.98ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 73.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 318.87ms. Allocated memory is still 98.6MB. Free memory was 73.3MB in the beginning and 62.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 886.02ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 62.9MB in the beginning and 101.8MB in the end (delta: -38.9MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Witness Printer took 54.68ms. Allocated memory is still 136.3MB. Free memory was 101.8MB in the beginning and 99.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-16 07:57:36,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde6d7c9-44f4-4b65-bd27-5a96e6239705/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE