./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_dekker.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4 --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-2329fc7 [2022-12-14 22:44:58,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:44:58,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:44:58,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:44:58,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:44:58,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:44:58,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:44:58,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:44:58,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:44:58,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:44:58,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:44:58,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:44:58,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:44:58,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:44:58,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:44:58,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:44:58,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:44:58,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:44:58,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:44:58,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:44:58,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:44:58,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:44:58,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:44:58,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:44:58,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:44:58,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:44:58,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:44:58,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:44:58,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:44:58,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:44:58,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:44:58,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:44:58,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:44:58,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:44:58,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:44:58,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:44:58,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:44:58,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:44:58,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:44:58,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:44:58,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:44:58,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 22:44:58,377 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:44:58,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:44:58,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:44:58,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:44:58,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:44:58,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:44:58,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:44:58,384 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:44:58,385 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:44:58,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:44:58,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:44:58,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:44:58,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:44:58,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:44:58,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:44:58,387 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 22:44:58,388 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:44:58,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:44:58,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:44:58,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:44:58,388 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:44:58,388 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:44:58,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:44:58,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:44:58,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:44:58,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:44:58,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:44:58,389 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:44:58,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:44:58,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:44:58,390 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_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee7ff83d9ca4f9baaadd009c98a7dd30697b6140296199117a6b05757b5b9f74 [2022-12-14 22:44:58,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:44:58,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:44:58,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:44:58,590 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:44:58,591 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:44:58,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-pthread/cs_dekker.i [2022-12-14 22:45:01,260 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:45:01,469 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:45:01,470 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/sv-benchmarks/c/seq-pthread/cs_dekker.i [2022-12-14 22:45:01,491 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/data/be2c1d29a/844d71bfed4d4f03a3055aebb6e11a3b/FLAGce0d2e13e [2022-12-14 22:45:01,502 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/data/be2c1d29a/844d71bfed4d4f03a3055aebb6e11a3b [2022-12-14 22:45:01,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:45:01,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:45:01,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:45:01,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:45:01,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:45:01,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:45:01" (1/1) ... [2022-12-14 22:45:01,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9975bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:45:01, skipping insertion in model container [2022-12-14 22:45:01,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:45:01" (1/1) ... [2022-12-14 22:45:01,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:45:01,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:45:01,758 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_121000f6-b17c-4fcc-848c-c121422a6aea/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2022-12-14 22:45:01,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:45:01,833 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:45:01,854 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_121000f6-b17c-4fcc-848c-c121422a6aea/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2022-12-14 22:45:01,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:45:01,916 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:45:01,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:45:01 WrapperNode [2022-12-14 22:45:01,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:45:01,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:45:01,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:45:01,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:45:01,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:45:01" (1/1) ... [2022-12-14 22:45:01,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:45:01" (1/1) ... [2022-12-14 22:45:01,972 INFO L138 Inliner]: procedures = 145, calls = 300, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 452 [2022-12-14 22:45:01,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:45:01,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:45:01,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:45:01,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:45:01,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:45:01" (1/1) ... [2022-12-14 22:45:01,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:45:01" (1/1) ... [2022-12-14 22:45:01,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:45:01" (1/1) ... [2022-12-14 22:45:01,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:45:01" (1/1) ... [2022-12-14 22:45:02,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:45:01" (1/1) ... [2022-12-14 22:45:02,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:45:01" (1/1) ... [2022-12-14 22:45:02,013 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:45:01" (1/1) ... [2022-12-14 22:45:02,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:45:01" (1/1) ... [2022-12-14 22:45:02,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:45:02,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:45:02,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:45:02,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:45:02,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:45:01" (1/1) ... [2022-12-14 22:45:02,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:45:02,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:45:02,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:45:02,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:45:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 22:45:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 22:45:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 22:45:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 22:45:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:45:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 22:45:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 22:45:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-12-14 22:45:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-12-14 22:45:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 22:45:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-12-14 22:45:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-12-14 22:45:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 22:45:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 22:45:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 22:45:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 22:45:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-12-14 22:45:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-12-14 22:45:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:45:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:45:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:45:02,218 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:45:02,220 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:45:12,830 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:45:12,916 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:45:12,916 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 22:45:12,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:45:12 BoogieIcfgContainer [2022-12-14 22:45:12,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:45:12,919 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:45:12,919 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:45:12,926 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:45:12,926 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:45:12" (1/1) ... [2022-12-14 22:45:12,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:45:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:12,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 110 states and 152 transitions. [2022-12-14 22:45:12,974 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 152 transitions. [2022-12-14 22:45:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:45:12,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:12,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:13,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:45:23,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 22:45:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:23,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 111 states and 154 transitions. [2022-12-14 22:45:23,378 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2022-12-14 22:45:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:45:23,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:23,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:23,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:45:23,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:23,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 112 states and 155 transitions. [2022-12-14 22:45:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 155 transitions. [2022-12-14 22:45:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:45:23,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:23,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:23,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:45:23,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:23,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 113 states and 156 transitions. [2022-12-14 22:45:23,626 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 156 transitions. [2022-12-14 22:45:23,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:45:23,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:23,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:30,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:45:30,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:30,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 114 states and 160 transitions. [2022-12-14 22:45:30,800 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2022-12-14 22:45:30,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:45:30,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:30,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:45:39,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:39,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 114 states and 161 transitions. [2022-12-14 22:45:39,112 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 161 transitions. [2022-12-14 22:45:39,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 22:45:39,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:39,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:45:39,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:39,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 115 states and 163 transitions. [2022-12-14 22:45:39,286 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2022-12-14 22:45:39,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 22:45:39,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:39,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:45:39,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:39,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 165 transitions. [2022-12-14 22:45:39,640 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 165 transitions. [2022-12-14 22:45:39,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:45:39,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:39,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:39,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:45:39,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:39,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 116 states and 164 transitions. [2022-12-14 22:45:39,850 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 164 transitions. [2022-12-14 22:45:39,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:45:39,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:39,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:47,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:45:47,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:47,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 116 states and 165 transitions. [2022-12-14 22:45:47,898 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2022-12-14 22:45:47,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 22:45:47,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:47,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 22:45:48,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:48,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 124 states and 177 transitions. [2022-12-14 22:45:48,492 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 177 transitions. [2022-12-14 22:45:48,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 22:45:48,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:48,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:48,640 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:45:48,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:48,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 125 states and 177 transitions. [2022-12-14 22:45:48,743 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 177 transitions. [2022-12-14 22:45:48,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:45:48,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:48,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:45:56,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:56,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 125 states and 178 transitions. [2022-12-14 22:45:56,159 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 178 transitions. [2022-12-14 22:45:56,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 22:45:56,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:56,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 22:45:56,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:56,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 126 states and 179 transitions. [2022-12-14 22:45:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 179 transitions. [2022-12-14 22:45:56,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:45:56,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:56,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:45:56,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:56,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 129 states and 181 transitions. [2022-12-14 22:45:56,841 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 181 transitions. [2022-12-14 22:45:56,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:45:56,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:56,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 22:45:57,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 125 states and 173 transitions. [2022-12-14 22:45:57,167 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 173 transitions. [2022-12-14 22:45:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:45:57,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:57,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:57,385 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 22:45:57,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 128 states and 175 transitions. [2022-12-14 22:45:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 175 transitions. [2022-12-14 22:45:57,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:45:57,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:57,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 22:45:59,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:59,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 140 states and 193 transitions. [2022-12-14 22:45:59,016 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 193 transitions. [2022-12-14 22:45:59,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 22:45:59,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:59,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:59,294 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 22:46:00,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:00,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 139 states and 192 transitions. [2022-12-14 22:46:00,854 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 192 transitions. [2022-12-14 22:46:00,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 22:46:00,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:00,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:01,220 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 36 proven. 73 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-14 22:46:01,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:01,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 126 states and 172 transitions. [2022-12-14 22:46:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 172 transitions. [2022-12-14 22:46:01,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:46:01,423 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2022-12-14 22:46:01,429 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 22:46:01,620 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-12-14 22:46:01,627 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:46:01,627 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-14 22:46:01,627 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:46:01,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:46:01 ImpRootNode [2022-12-14 22:46:01,627 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:46:01,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:46:01,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:46:01,628 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:46:01,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:45:12" (3/4) ... [2022-12-14 22:46:01,630 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:46:01,634 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2022-12-14 22:46:01,634 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 22:46:01,634 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2022-12-14 22:46:01,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 22:46:01,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2022-12-14 22:46:01,640 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-12-14 22:46:01,641 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-14 22:46:01,641 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 22:46:01,642 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 22:46:01,642 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:46:01,704 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:46:01,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:46:01,704 INFO L158 Benchmark]: Toolchain (without parser) took 60198.90ms. Allocated memory was 130.0MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 94.7MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-12-14 22:46:01,705 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 130.0MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:46:01,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.42ms. Allocated memory is still 130.0MB. Free memory was 94.2MB in the beginning and 67.8MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 22:46:01,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.63ms. Allocated memory is still 130.0MB. Free memory was 67.8MB in the beginning and 63.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 22:46:01,705 INFO L158 Benchmark]: Boogie Preprocessor took 44.90ms. Allocated memory is still 130.0MB. Free memory was 63.6MB in the beginning and 59.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 22:46:01,705 INFO L158 Benchmark]: RCFGBuilder took 10900.09ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 59.8MB in the beginning and 57.5MB in the end (delta: 2.3MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2022-12-14 22:46:01,706 INFO L158 Benchmark]: CodeCheck took 48708.45ms. Allocated memory was 157.3MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 57.5MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-12-14 22:46:01,706 INFO L158 Benchmark]: Witness Printer took 76.33ms. Allocated memory is still 3.0GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:46:01,707 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: 48.5s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 mSolverCounterUnknown, 1556 SdHoareTripleChecker+Valid, 194.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 326 mSDsluCounter, 842 SdHoareTripleChecker+Invalid, 193.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 581 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1771 IncrementalHoareTripleChecker+Invalid, 2371 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 581 mSolverCounterUnsat, 842 mSDtfsCounter, 1771 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2349 GetRequests, 2173 SyntacticMatches, 24 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10205 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.8s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 24.8s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 545 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 11 PerfectInterpolantSequences, 276/408 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 0.12ms. Allocated memory is still 130.0MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.42ms. Allocated memory is still 130.0MB. Free memory was 94.2MB in the beginning and 67.8MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.63ms. Allocated memory is still 130.0MB. Free memory was 67.8MB in the beginning and 63.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.90ms. Allocated memory is still 130.0MB. Free memory was 63.6MB in the beginning and 59.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 10900.09ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 59.8MB in the beginning and 57.5MB in the end (delta: 2.3MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * CodeCheck took 48708.45ms. Allocated memory was 157.3MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 57.5MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Witness Printer took 76.33ms. Allocated memory is still 3.0GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:46:01,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121000f6-b17c-4fcc-848c-c121422a6aea/bin/ukojak-rkRKPMF4O4/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