./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:51:37,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:51:37,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:51:37,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:51:37,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:51:37,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:51:37,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:51:37,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:51:37,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:51:37,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:51:37,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:51:37,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:51:37,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:51:37,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:51:37,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:51:37,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:51:37,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:51:37,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:51:37,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:51:37,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:51:37,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:51:37,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:51:37,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:51:37,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:51:37,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:51:37,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:51:37,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:51:37,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:51:37,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:51:37,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:51:37,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:51:37,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:51:37,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:51:37,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:51:37,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:51:37,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:51:37,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:51:37,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:51:37,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:51:37,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:51:37,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:51:37,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:51:37,805 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:51:37,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:51:37,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:51:37,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:51:37,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:51:37,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:51:37,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:51:37,808 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:51:37,808 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:51:37,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:51:37,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:51:37,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:51:37,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:51:37,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:51:37,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:51:37,810 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:51:37,810 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:51:37,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:51:37,810 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:51:37,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:51:37,811 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:51:37,811 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:51:37,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:51:37,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:51:37,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:51:37,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:51:37,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:51:37,812 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:51:37,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:51:37,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:51:37,813 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_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-11-20 16:51:38,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:51:38,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:51:38,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:51:38,146 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:51:38,147 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:51:38,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-20 16:51:41,199 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:51:41,551 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:51:41,552 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-20 16:51:41,579 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/data/1402fca86/083d97f5d6c9444684630410670ee0be/FLAGe8aba9822 [2022-11-20 16:51:41,620 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/data/1402fca86/083d97f5d6c9444684630410670ee0be [2022-11-20 16:51:41,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:51:41,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:51:41,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:51:41,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:51:41,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:51:41,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:51:41" (1/1) ... [2022-11-20 16:51:41,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c094ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:41, skipping insertion in model container [2022-11-20 16:51:41,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:51:41" (1/1) ... [2022-11-20 16:51:41,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:51:41,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:51:41,971 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_f4d12804-cab2-4cfe-8651-a0b335186424/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-20 16:51:42,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:51:42,109 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:51:42,164 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_f4d12804-cab2-4cfe-8651-a0b335186424/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-20 16:51:42,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:51:42,274 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:51:42,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:42 WrapperNode [2022-11-20 16:51:42,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:51:42,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:51:42,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:51:42,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:51:42,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:42" (1/1) ... [2022-11-20 16:51:42,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:42" (1/1) ... [2022-11-20 16:51:42,373 INFO L138 Inliner]: procedures = 145, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 399 [2022-11-20 16:51:42,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:51:42,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:51:42,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:51:42,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:51:42,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:42" (1/1) ... [2022-11-20 16:51:42,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:42" (1/1) ... [2022-11-20 16:51:42,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:42" (1/1) ... [2022-11-20 16:51:42,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:42" (1/1) ... [2022-11-20 16:51:42,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:42" (1/1) ... [2022-11-20 16:51:42,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:42" (1/1) ... [2022-11-20 16:51:42,432 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:42" (1/1) ... [2022-11-20 16:51:42,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:42" (1/1) ... [2022-11-20 16:51:42,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:51:42,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:51:42,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:51:42,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:51:42,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:42" (1/1) ... [2022-11-20 16:51:42,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:51:42,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:51:42,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:51:42,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:51:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:51:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:51:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 16:51:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 16:51:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:51:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:51:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 16:51:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-20 16:51:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-20 16:51:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 16:51:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-20 16:51:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-20 16:51:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 16:51:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 16:51:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:51:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 16:51:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-20 16:51:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-20 16:51:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:51:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:51:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:51:42,804 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:51:42,806 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:51:53,683 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:51:53,790 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:51:53,791 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:51:53,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:51:53 BoogieIcfgContainer [2022-11-20 16:51:53,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:51:53,794 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:51:53,794 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:51:53,804 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:51:53,804 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:51:53" (1/1) ... [2022-11-20 16:51:53,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:51:53,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 104 states and 142 transitions. [2022-11-20 16:51:53,884 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 142 transitions. [2022-11-20 16:51:53,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:51:53,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:53,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:54,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:04,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 16:52:04,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:04,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 105 states and 144 transitions. [2022-11-20 16:52:04,470 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2022-11-20 16:52:04,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:52:04,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:04,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:04,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 106 states and 145 transitions. [2022-11-20 16:52:04,703 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2022-11-20 16:52:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:52:04,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:04,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:04,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 107 states and 146 transitions. [2022-11-20 16:52:04,945 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 146 transitions. [2022-11-20 16:52:04,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:52:04,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:04,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:06,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:06,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:06,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 108 states and 150 transitions. [2022-11-20 16:52:06,616 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 150 transitions. [2022-11-20 16:52:06,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:52:06,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:06,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:06,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:06,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:06,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 109 states and 152 transitions. [2022-11-20 16:52:06,810 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 152 transitions. [2022-11-20 16:52:06,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:52:06,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:06,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:08,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:08,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:08,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 109 states and 153 transitions. [2022-11-20 16:52:08,225 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 153 transitions. [2022-11-20 16:52:08,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:52:08,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:08,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:08,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:52:08,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:08,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 108 states and 152 transitions. [2022-11-20 16:52:08,536 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 152 transitions. [2022-11-20 16:52:08,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:52:08,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:08,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:08,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:09,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 107 states and 149 transitions. [2022-11-20 16:52:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 149 transitions. [2022-11-20 16:52:09,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:52:09,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:09,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:10,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:10,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:10,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 107 states and 150 transitions. [2022-11-20 16:52:10,419 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 150 transitions. [2022-11-20 16:52:10,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:52:10,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:10,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:10,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:52:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 115 states and 159 transitions. [2022-11-20 16:52:11,526 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 159 transitions. [2022-11-20 16:52:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:52:11,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:11,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:12,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:12,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 115 states and 160 transitions. [2022-11-20 16:52:12,733 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 160 transitions. [2022-11-20 16:52:12,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:52:12,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:12,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:52:12,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:12,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 116 states and 161 transitions. [2022-11-20 16:52:12,944 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 161 transitions. [2022-11-20 16:52:12,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:52:12,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:12,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:13,185 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 16:52:14,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:14,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 115 states and 160 transitions. [2022-11-20 16:52:14,669 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 160 transitions. [2022-11-20 16:52:14,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:52:14,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:14,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:15,017 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:52:15,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:15,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 118 states and 162 transitions. [2022-11-20 16:52:15,702 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 162 transitions. [2022-11-20 16:52:15,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:52:15,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:15,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:15,938 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 16:52:16,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:16,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 121 states and 164 transitions. [2022-11-20 16:52:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2022-11-20 16:52:16,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:52:16,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:16,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:16,922 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 16:52:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:19,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 120 states and 162 transitions. [2022-11-20 16:52:19,920 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 162 transitions. [2022-11-20 16:52:19,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:52:19,921 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-11-20 16:52:19,929 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 16:52:20,328 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-11-20 16:52:20,338 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 16:52:20,339 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:52:20,339 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:52:20,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:52:20 ImpRootNode [2022-11-20 16:52:20,340 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:52:20,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:52:20,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:52:20,341 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:52:20,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:51:53" (3/4) ... [2022-11-20 16:52:20,347 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:52:20,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2022-11-20 16:52:20,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 16:52:20,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2022-11-20 16:52:20,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-20 16:52:20,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2022-11-20 16:52:20,366 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-11-20 16:52:20,367 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-20 16:52:20,367 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 16:52:20,368 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 16:52:20,369 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:52:20,468 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:52:20,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:52:20,469 INFO L158 Benchmark]: Toolchain (without parser) took 38843.72ms. Allocated memory was 146.8MB in the beginning and 608.2MB in the end (delta: 461.4MB). Free memory was 119.1MB in the beginning and 434.4MB in the end (delta: -315.3MB). Peak memory consumption was 147.1MB. Max. memory is 16.1GB. [2022-11-20 16:52:20,469 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:52:20,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.91ms. Allocated memory is still 146.8MB. Free memory was 119.1MB in the beginning and 92.7MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 16:52:20,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.43ms. Allocated memory is still 146.8MB. Free memory was 92.7MB in the beginning and 88.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:52:20,470 INFO L158 Benchmark]: Boogie Preprocessor took 64.35ms. Allocated memory is still 146.8MB. Free memory was 88.5MB in the beginning and 85.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:52:20,470 INFO L158 Benchmark]: RCFGBuilder took 11354.44ms. Allocated memory is still 146.8MB. Free memory was 85.1MB in the beginning and 69.2MB in the end (delta: 15.9MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-11-20 16:52:20,471 INFO L158 Benchmark]: CodeCheck took 26545.48ms. Allocated memory was 146.8MB in the beginning and 608.2MB in the end (delta: 461.4MB). Free memory was 69.2MB in the beginning and 442.7MB in the end (delta: -373.5MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. [2022-11-20 16:52:20,471 INFO L158 Benchmark]: Witness Printer took 127.83ms. Allocated memory is still 608.2MB. Free memory was 442.7MB in the beginning and 434.4MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 16:52:20,473 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, 104 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 26.1s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 1123 SdHoareTripleChecker+Valid, 164.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 221 mSDsluCounter, 598 SdHoareTripleChecker+Invalid, 163.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 387 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1218 IncrementalHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 387 mSolverCounterUnsat, 598 mSDtfsCounter, 1218 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1751 GetRequests, 1603 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9306 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 5.5s 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: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: 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: 823]: 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: 819]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.91ms. Allocated memory is still 146.8MB. Free memory was 119.1MB in the beginning and 92.7MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.43ms. Allocated memory is still 146.8MB. Free memory was 92.7MB in the beginning and 88.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.35ms. Allocated memory is still 146.8MB. Free memory was 88.5MB in the beginning and 85.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11354.44ms. Allocated memory is still 146.8MB. Free memory was 85.1MB in the beginning and 69.2MB in the end (delta: 15.9MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * CodeCheck took 26545.48ms. Allocated memory was 146.8MB in the beginning and 608.2MB in the end (delta: 461.4MB). Free memory was 69.2MB in the beginning and 442.7MB in the end (delta: -373.5MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. * Witness Printer took 127.83ms. Allocated memory is still 608.2MB. Free memory was 442.7MB in the beginning and 434.4MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:52:20,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d12804-cab2-4cfe-8651-a0b335186424/bin/ukojak-pZX7IvK2PQ/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