./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_dekker.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/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_f1dd414f-b908-48fd-86ef-8901084363da/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_dekker.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/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_f1dd414f-b908-48fd-86ef-8901084363da/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 ee7ff83d9ca4f9baaadd009c98a7dd30697b6140296199117a6b05757b5b9f74 --- 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 16:45:00,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:45:00,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:45:00,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:45:00,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:45:00,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:45:00,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:45:00,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:45:00,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:45:00,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:45:00,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:45:00,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:45:00,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:45:00,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:45:00,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:45:00,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:45:00,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:45:00,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:45:00,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:45:00,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:45:00,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:45:00,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:45:00,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:45:00,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:45:00,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:45:00,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:45:00,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:45:00,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:45:00,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:45:00,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:45:00,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:45:00,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:45:00,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:45:00,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:45:00,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:45:00,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:45:00,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:45:00,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:45:00,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:45:00,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:45:00,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:45:00,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:45:00,157 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:45:00,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:45:00,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:45:00,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:45:00,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:45:00,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:45:00,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:45:00,161 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:45:00,161 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:45:00,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:45:00,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:45:00,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:45:00,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:45:00,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:45:00,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:45:00,167 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:45:00,168 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:45:00,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:45:00,168 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:45:00,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:45:00,168 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:45:00,169 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:45:00,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:45:00,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:00,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:45:00,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:45:00,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:45:00,170 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:45:00,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:45:00,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:45:00,170 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_f1dd414f-b908-48fd-86ef-8901084363da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee7ff83d9ca4f9baaadd009c98a7dd30697b6140296199117a6b05757b5b9f74 [2022-11-20 16:45:00,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:45:00,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:45:00,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:45:00,536 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:45:00,537 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:45:00,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/seq-pthread/cs_dekker.i [2022-11-20 16:45:03,571 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:45:03,911 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:45:03,911 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/sv-benchmarks/c/seq-pthread/cs_dekker.i [2022-11-20 16:45:03,926 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/bin/ukojak-pZX7IvK2PQ/data/f6550a030/abe2a1a349a64f0cb41d1b335fd6bfb1/FLAG33a9717a3 [2022-11-20 16:45:03,942 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/bin/ukojak-pZX7IvK2PQ/data/f6550a030/abe2a1a349a64f0cb41d1b335fd6bfb1 [2022-11-20 16:45:03,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:45:03,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:45:03,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:03,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:45:03,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:45:03,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:03" (1/1) ... [2022-11-20 16:45:03,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36064979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:03, skipping insertion in model container [2022-11-20 16:45:03,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:03" (1/1) ... [2022-11-20 16:45:03,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:45:04,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:45:04,432 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_f1dd414f-b908-48fd-86ef-8901084363da/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2022-11-20 16:45:04,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:04,578 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:45:04,604 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_f1dd414f-b908-48fd-86ef-8901084363da/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2022-11-20 16:45:04,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:04,691 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:45:04,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:04 WrapperNode [2022-11-20 16:45:04,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:04,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:04,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:45:04,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:45:04,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:04" (1/1) ... [2022-11-20 16:45:04,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:04" (1/1) ... [2022-11-20 16:45:04,783 INFO L138 Inliner]: procedures = 145, calls = 300, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 452 [2022-11-20 16:45:04,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:04,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:45:04,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:45:04,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:45:04,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:04" (1/1) ... [2022-11-20 16:45:04,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:04" (1/1) ... [2022-11-20 16:45:04,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:04" (1/1) ... [2022-11-20 16:45:04,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:04" (1/1) ... [2022-11-20 16:45:04,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:04" (1/1) ... [2022-11-20 16:45:04,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:04" (1/1) ... [2022-11-20 16:45:04,893 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:04" (1/1) ... [2022-11-20 16:45:04,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:04" (1/1) ... [2022-11-20 16:45:04,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:45:04,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:45:04,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:45:04,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:45:04,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:04" (1/1) ... [2022-11-20 16:45:04,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:04,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:45:04,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:45:04,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:45:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:45:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:45:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 16:45:05,003 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 16:45:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:45:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:45:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 16:45:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-20 16:45:05,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-20 16:45:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 16:45:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-20 16:45:05,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-20 16:45:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 16:45:05,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 16:45:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:45:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 16:45:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-20 16:45:05,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-20 16:45:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:45:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:45:05,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:45:05,268 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:45:05,285 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:45:16,328 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:45:16,514 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:45:16,515 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:45:16,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:16 BoogieIcfgContainer [2022-11-20 16:45:16,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:45:16,520 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:45:16,520 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:45:16,530 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:45:16,531 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:16" (1/1) ... [2022-11-20 16:45:16,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:45:16,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:16,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 110 states and 152 transitions. [2022-11-20 16:45:16,618 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 152 transitions. [2022-11-20 16:45:16,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:45:16,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:16,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:17,103 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 16:45:27,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 16:45:27,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:27,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 111 states and 154 transitions. [2022-11-20 16:45:27,210 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2022-11-20 16:45:27,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:45:27,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:27,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:27,404 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 16:45:27,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:27,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 112 states and 155 transitions. [2022-11-20 16:45:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 155 transitions. [2022-11-20 16:45:27,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:45:27,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:27,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:27,640 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 16:45:27,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 113 states and 156 transitions. [2022-11-20 16:45:27,659 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 156 transitions. [2022-11-20 16:45:27,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:45:27,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:27,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:40,228 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 16:45:40,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:40,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 114 states and 160 transitions. [2022-11-20 16:45:40,295 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2022-11-20 16:45:40,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:45:40,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:40,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:51,737 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 16:45:51,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:51,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 114 states and 161 transitions. [2022-11-20 16:45:51,749 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 161 transitions. [2022-11-20 16:45:51,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:45:51,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:51,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:52,118 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 16:45:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:52,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 115 states and 163 transitions. [2022-11-20 16:45:52,195 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2022-11-20 16:45:52,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:45:52,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:52,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:52,338 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 16:45:52,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:52,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 114 states and 162 transitions. [2022-11-20 16:45:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 162 transitions. [2022-11-20 16:45:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:45:52,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:52,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:52,673 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 16:45:53,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 113 states and 159 transitions. [2022-11-20 16:45:53,117 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 159 transitions. [2022-11-20 16:45:53,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:45:53,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:53,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:04,502 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 16:46:04,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:04,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 113 states and 160 transitions. [2022-11-20 16:46:04,517 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 160 transitions. [2022-11-20 16:46:04,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:46:04,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:04,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:46:05,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:05,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 121 states and 169 transitions. [2022-11-20 16:46:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-11-20 16:46:05,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:46:05,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:05,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:17,047 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 16:46:17,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:17,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 121 states and 170 transitions. [2022-11-20 16:46:17,055 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 170 transitions. [2022-11-20 16:46:17,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:46:17,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:17,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:46:17,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:17,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 122 states and 171 transitions. [2022-11-20 16:46:17,223 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 171 transitions. [2022-11-20 16:46:17,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:46:17,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:17,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:17,473 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 16:46:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:18,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 121 states and 170 transitions. [2022-11-20 16:46:18,755 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 170 transitions. [2022-11-20 16:46:18,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:46:18,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:18,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:46:19,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:19,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 124 states and 172 transitions. [2022-11-20 16:46:19,805 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 172 transitions. [2022-11-20 16:46:19,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:46:19,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:19,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 16:46:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:20,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 127 states and 174 transitions. [2022-11-20 16:46:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 174 transitions. [2022-11-20 16:46:20,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:46:20,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:20,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 16:46:24,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 126 states and 172 transitions. [2022-11-20 16:46:24,344 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 172 transitions. [2022-11-20 16:46:24,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:46:24,346 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-11-20 16:46:24,354 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 16:46:24,718 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-11-20 16:46:24,734 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:46:24,735 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 16:46:24,736 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:46:24,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:46:24 ImpRootNode [2022-11-20 16:46:24,736 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:46:24,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:46:24,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:46:24,737 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:46:24,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:16" (3/4) ... [2022-11-20 16:46:24,740 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:46:24,745 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2022-11-20 16:46:24,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 16:46:24,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2022-11-20 16:46:24,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-20 16:46:24,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2022-11-20 16:46:24,759 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-11-20 16:46:24,760 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-20 16:46:24,761 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 16:46:24,761 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 16:46:24,762 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:46:24,918 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:46:24,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:46:24,919 INFO L158 Benchmark]: Toolchain (without parser) took 80973.01ms. Allocated memory was 136.3MB in the beginning and 7.4GB in the end (delta: 7.2GB). Free memory was 93.2MB in the beginning and 6.2GB in the end (delta: -6.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-20 16:46:24,919 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:46:24,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 744.98ms. Allocated memory is still 136.3MB. Free memory was 92.7MB in the beginning and 86.8MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 16:46:24,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.85ms. Allocated memory is still 136.3MB. Free memory was 86.4MB in the beginning and 82.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:46:24,921 INFO L158 Benchmark]: Boogie Preprocessor took 115.93ms. Allocated memory is still 136.3MB. Free memory was 82.1MB in the beginning and 78.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:46:24,921 INFO L158 Benchmark]: RCFGBuilder took 11617.28ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 78.4MB in the beginning and 79.5MB in the end (delta: -1.1MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2022-11-20 16:46:24,921 INFO L158 Benchmark]: CodeCheck took 68216.88ms. Allocated memory was 163.6MB in the beginning and 7.4GB in the end (delta: 7.2GB). Free memory was 79.5MB in the beginning and 6.2GB in the end (delta: -6.2GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-20 16:46:24,922 INFO L158 Benchmark]: Witness Printer took 181.26ms. Allocated memory is still 7.4GB. Free memory was 6.2GB in the beginning and 6.2GB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 16:46:24,924 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 6 procedures, 110 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 67.8s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 1171 SdHoareTripleChecker+Valid, 164.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 221 mSDsluCounter, 644 SdHoareTripleChecker+Invalid, 163.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 385 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1212 IncrementalHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 385 mSolverCounterUnsat, 644 mSDtfsCounter, 1212 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1775 GetRequests, 1627 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9306 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 1.3s SsaConstructionTime, 7.2s SatisfiabilityAnalysisTime, 35.4s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 129/180 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: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: (((i == 0 && j == 0) || (i == 0 && 1 <= j)) || ((1 <= i && i <= 2) && j == 0)) || ((1 <= i && i <= 2) && 1 <= j) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 744.98ms. Allocated memory is still 136.3MB. Free memory was 92.7MB in the beginning and 86.8MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.85ms. Allocated memory is still 136.3MB. Free memory was 86.4MB in the beginning and 82.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.93ms. Allocated memory is still 136.3MB. Free memory was 82.1MB in the beginning and 78.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11617.28ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 78.4MB in the beginning and 79.5MB in the end (delta: -1.1MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * CodeCheck took 68216.88ms. Allocated memory was 163.6MB in the beginning and 7.4GB in the end (delta: 7.2GB). Free memory was 79.5MB in the beginning and 6.2GB in the end (delta: -6.2GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 181.26ms. Allocated memory is still 7.4GB. Free memory was 6.2GB in the beginning and 6.2GB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:46:24,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1dd414f-b908-48fd-86ef-8901084363da/bin/ukojak-pZX7IvK2PQ/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