./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 b5237d83 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_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_dekker.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg --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-b5237d8 [2022-11-21 22:01:13,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:01:13,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:01:13,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:01:13,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:01:13,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:01:13,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:01:13,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:01:13,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:01:13,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:01:13,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:01:13,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:01:13,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:01:13,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:01:13,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:01:13,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:01:13,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:01:13,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:01:13,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:01:13,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:01:13,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:01:13,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:01:13,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:01:13,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:01:13,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:01:13,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:01:13,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:01:13,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:01:13,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:01:13,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:01:13,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:01:13,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:01:13,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:01:13,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:01:13,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:01:13,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:01:13,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:01:13,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:01:13,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:01:13,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:01:13,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:01:13,350 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:01:13,396 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:01:13,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:01:13,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:01:13,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:01:13,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:01:13,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:01:13,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:01:13,399 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:01:13,399 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:01:13,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:01:13,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:01:13,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:01:13,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:01:13,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:01:13,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:01:13,400 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:01:13,400 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:01:13,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:01:13,401 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:01:13,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:01:13,401 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:01:13,401 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:01:13,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:01:13,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:01:13,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:01:13,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:01:13,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:01:13,405 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:01:13,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:01:13,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:01:13,407 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_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee7ff83d9ca4f9baaadd009c98a7dd30697b6140296199117a6b05757b5b9f74 [2022-11-21 22:01:13,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:01:13,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:01:13,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:01:13,744 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:01:13,744 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:01:13,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/seq-pthread/cs_dekker.i [2022-11-21 22:01:16,849 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:01:17,125 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:01:17,125 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/sv-benchmarks/c/seq-pthread/cs_dekker.i [2022-11-21 22:01:17,140 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/data/ffb800f0d/e3c040a0c47f4225a1463e793ffe9f3e/FLAGf503d135d [2022-11-21 22:01:17,155 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/data/ffb800f0d/e3c040a0c47f4225a1463e793ffe9f3e [2022-11-21 22:01:17,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:01:17,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:01:17,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:01:17,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:01:17,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:01:17,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:01:17" (1/1) ... [2022-11-21 22:01:17,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d544e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:17, skipping insertion in model container [2022-11-21 22:01:17,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:01:17" (1/1) ... [2022-11-21 22:01:17,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:01:17,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:01:17,600 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_12024dcb-a28f-4999-a361-97661f6c89d5/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2022-11-21 22:01:17,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:01:17,756 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:01:17,785 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_12024dcb-a28f-4999-a361-97661f6c89d5/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2022-11-21 22:01:17,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:01:17,889 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:01:17,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:17 WrapperNode [2022-11-21 22:01:17,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:01:17,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:01:17,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:01:17,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:01:17,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:17" (1/1) ... [2022-11-21 22:01:17,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:17" (1/1) ... [2022-11-21 22:01:17,996 INFO L138 Inliner]: procedures = 145, calls = 300, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 452 [2022-11-21 22:01:17,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:01:17,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:01:17,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:01:17,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:01:18,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:17" (1/1) ... [2022-11-21 22:01:18,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:17" (1/1) ... [2022-11-21 22:01:18,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:17" (1/1) ... [2022-11-21 22:01:18,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:17" (1/1) ... [2022-11-21 22:01:18,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:17" (1/1) ... [2022-11-21 22:01:18,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:17" (1/1) ... [2022-11-21 22:01:18,073 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:17" (1/1) ... [2022-11-21 22:01:18,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:17" (1/1) ... [2022-11-21 22:01:18,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:01:18,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:01:18,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:01:18,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:01:18,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:17" (1/1) ... [2022-11-21 22:01:18,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:01:18,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:01:18,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:01:18,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:01:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:01:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:01:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:01:18,183 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:01:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:01:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:01:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 22:01:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-21 22:01:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-21 22:01:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 22:01:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-21 22:01:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-21 22:01:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-21 22:01:18,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-21 22:01:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:01:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 22:01:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-21 22:01:18,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-21 22:01:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:01:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:01:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:01:18,378 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:01:18,380 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:01:29,293 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:01:29,414 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:01:29,414 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:01:29,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:01:29 BoogieIcfgContainer [2022-11-21 22:01:29,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:01:29,418 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:01:29,418 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:01:29,428 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:01:29,429 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:01:29" (1/1) ... [2022-11-21 22:01:29,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:01:29,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:29,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 110 states and 152 transitions. [2022-11-21 22:01:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 152 transitions. [2022-11-21 22:01:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:01:29,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:29,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:39,977 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 [] [2022-11-21 22:01:40,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:40,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 111 states and 154 transitions. [2022-11-21 22:01:40,059 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2022-11-21 22:01:40,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:01:40,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:40,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:40,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:40,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:40,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 112 states and 155 transitions. [2022-11-21 22:01:40,328 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 155 transitions. [2022-11-21 22:01:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:01:40,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:40,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:40,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:40,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:40,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 113 states and 156 transitions. [2022-11-21 22:01:40,493 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 156 transitions. [2022-11-21 22:01:40,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:01:40,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:40,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:52,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:52,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 114 states and 160 transitions. [2022-11-21 22:01:52,749 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2022-11-21 22:01:52,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:01:52,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:52,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:02:04,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:04,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 114 states and 161 transitions. [2022-11-21 22:02:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 161 transitions. [2022-11-21 22:02:04,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:02:04,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:04,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:04,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:02:04,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:04,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 115 states and 163 transitions. [2022-11-21 22:02:04,864 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2022-11-21 22:02:04,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:02:04,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:04,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:05,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:02:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 114 states and 162 transitions. [2022-11-21 22:02:05,104 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 162 transitions. [2022-11-21 22:02:05,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:02:05,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:05,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:02:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 113 states and 159 transitions. [2022-11-21 22:02:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 159 transitions. [2022-11-21 22:02:05,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:02:05,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:05,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:02:19,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:19,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 113 states and 160 transitions. [2022-11-21 22:02:19,011 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 160 transitions. [2022-11-21 22:02:19,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:02:19,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:19,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:02:20,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:20,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 121 states and 169 transitions. [2022-11-21 22:02:20,212 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-11-21 22:02:20,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:02:20,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:20,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:02:34,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:34,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 121 states and 170 transitions. [2022-11-21 22:02:34,078 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 170 transitions. [2022-11-21 22:02:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:02:34,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:34,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:34,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:02:34,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:34,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 122 states and 171 transitions. [2022-11-21 22:02:34,280 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 171 transitions. [2022-11-21 22:02:34,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:02:34,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:34,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 22:02:36,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 121 states and 170 transitions. [2022-11-21 22:02:36,163 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 170 transitions. [2022-11-21 22:02:36,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:02:36,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:36,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:36,654 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 22:02:37,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:37,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 124 states and 172 transitions. [2022-11-21 22:02:37,483 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 172 transitions. [2022-11-21 22:02:37,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:02:37,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:37,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-21 22:02:38,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:38,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 127 states and 174 transitions. [2022-11-21 22:02:38,589 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 174 transitions. [2022-11-21 22:02:38,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:02:38,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:38,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:02:42,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:42,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 126 states and 172 transitions. [2022-11-21 22:02:42,774 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 172 transitions. [2022-11-21 22:02:42,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:02:42,775 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-11-21 22:02:42,790 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 22:02:43,196 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-11-21 22:02:43,205 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:02:43,205 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-21 22:02:43,206 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:02:43,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:02:43 ImpRootNode [2022-11-21 22:02:43,206 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:02:43,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:02:43,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:02:43,207 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:02:43,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:01:29" (3/4) ... [2022-11-21 22:02:43,211 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:02:43,216 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2022-11-21 22:02:43,217 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-21 22:02:43,217 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2022-11-21 22:02:43,217 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-21 22:02:43,217 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2022-11-21 22:02:43,227 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-11-21 22:02:43,228 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-21 22:02:43,228 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 22:02:43,229 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 22:02:43,230 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:02:43,330 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:02:43,330 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:02:43,331 INFO L158 Benchmark]: Toolchain (without parser) took 86171.47ms. Allocated memory was 127.9MB in the beginning and 6.4GB in the end (delta: 6.3GB). Free memory was 82.2MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-21 22:02:43,331 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:02:43,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 728.65ms. Allocated memory is still 127.9MB. Free memory was 82.2MB in the beginning and 55.9MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-21 22:02:43,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.86ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 55.7MB in the beginning and 135.3MB in the end (delta: -79.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-11-21 22:02:43,332 INFO L158 Benchmark]: Boogie Preprocessor took 93.37ms. Allocated memory is still 165.7MB. Free memory was 135.3MB in the beginning and 131.0MB in the end (delta: 4.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 22:02:43,333 INFO L158 Benchmark]: RCFGBuilder took 11326.32ms. Allocated memory is still 165.7MB. Free memory was 131.0MB in the beginning and 62.0MB in the end (delta: 69.0MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2022-11-21 22:02:43,333 INFO L158 Benchmark]: CodeCheck took 73788.08ms. Allocated memory was 165.7MB in the beginning and 6.4GB in the end (delta: 6.3GB). Free memory was 62.0MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-21 22:02:43,334 INFO L158 Benchmark]: Witness Printer took 123.59ms. Allocated memory is still 6.4GB. Free memory was 5.3GB in the beginning and 5.3GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 22:02:43,335 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: 73.3s, 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, 164.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 221 mSDsluCounter, 644 SdHoareTripleChecker+Invalid, 164.2s 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, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 1.4s SsaConstructionTime, 7.9s SatisfiabilityAnalysisTime, 39.1s 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 0.22ms. Allocated memory is still 127.9MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 728.65ms. Allocated memory is still 127.9MB. Free memory was 82.2MB in the beginning and 55.9MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.86ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 55.7MB in the beginning and 135.3MB in the end (delta: -79.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.37ms. Allocated memory is still 165.7MB. Free memory was 135.3MB in the beginning and 131.0MB in the end (delta: 4.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 11326.32ms. Allocated memory is still 165.7MB. Free memory was 131.0MB in the beginning and 62.0MB in the end (delta: 69.0MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. * CodeCheck took 73788.08ms. Allocated memory was 165.7MB in the beginning and 6.4GB in the end (delta: 6.3GB). Free memory was 62.0MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 123.59ms. Allocated memory is still 6.4GB. Free memory was 5.3GB in the beginning and 5.3GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:02:43,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12024dcb-a28f-4999-a361-97661f6c89d5/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE