./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 b5237d83 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_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-b5237d8 [2022-11-21 23:04:20,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:04:20,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:04:20,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:04:20,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:04:20,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:04:20,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:04:20,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:04:20,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:04:20,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:04:20,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:04:20,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:04:20,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:04:20,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:04:20,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:04:20,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:04:20,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:04:20,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:04:20,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:04:20,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:04:20,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:04:20,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:04:20,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:04:20,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:04:20,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:04:20,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:04:20,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:04:20,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:04:21,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:04:21,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:04:21,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:04:21,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:04:21,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:04:21,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:04:21,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:04:21,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:04:21,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:04:21,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:04:21,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:04:21,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:04:21,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:04:21,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:04:21,045 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:04:21,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:04:21,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:04:21,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:04:21,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:04:21,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:04:21,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:04:21,049 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:04:21,049 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:04:21,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:04:21,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:04:21,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:04:21,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:04:21,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:04:21,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:04:21,052 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:04:21,052 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:04:21,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:04:21,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:04:21,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:04:21,053 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:04:21,053 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:04:21,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:04:21,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:04:21,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:04:21,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:04:21,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:04:21,054 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:04:21,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:04:21,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:04:21,055 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_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-11-21 23:04:21,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:04:21,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:04:21,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:04:21,391 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:04:21,391 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:04:21,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-21 23:04:24,542 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:04:24,814 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:04:24,815 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-21 23:04:24,844 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/data/aaef1aba6/b3c5f6c2c652402d878007e7f23a5c6a/FLAG2b713c553 [2022-11-21 23:04:24,864 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/data/aaef1aba6/b3c5f6c2c652402d878007e7f23a5c6a [2022-11-21 23:04:24,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:04:24,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:04:24,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:04:24,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:04:24,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:04:24,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:04:24" (1/1) ... [2022-11-21 23:04:24,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49042661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:24, skipping insertion in model container [2022-11-21 23:04:24,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:04:24" (1/1) ... [2022-11-21 23:04:24,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:04:24,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:04:25,262 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_f788088a-550f-4dce-9936-1c8b60a98908/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-21 23:04:25,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:04:25,470 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:04:25,523 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_f788088a-550f-4dce-9936-1c8b60a98908/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-21 23:04:25,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:04:25,648 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:04:25,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:25 WrapperNode [2022-11-21 23:04:25,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:04:25,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:04:25,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:04:25,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:04:25,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:25" (1/1) ... [2022-11-21 23:04:25,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:25" (1/1) ... [2022-11-21 23:04:25,721 INFO L138 Inliner]: procedures = 145, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 399 [2022-11-21 23:04:25,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:04:25,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:04:25,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:04:25,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:04:25,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:25" (1/1) ... [2022-11-21 23:04:25,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:25" (1/1) ... [2022-11-21 23:04:25,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:25" (1/1) ... [2022-11-21 23:04:25,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:25" (1/1) ... [2022-11-21 23:04:25,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:25" (1/1) ... [2022-11-21 23:04:25,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:25" (1/1) ... [2022-11-21 23:04:25,768 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:25" (1/1) ... [2022-11-21 23:04:25,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:25" (1/1) ... [2022-11-21 23:04:25,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:04:25,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:04:25,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:04:25,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:04:25,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:25" (1/1) ... [2022-11-21 23:04:25,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:04:25,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:04:25,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:04:25,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:04:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:04:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:04:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:04:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:04:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:04:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:04:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 23:04:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-21 23:04:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-21 23:04:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 23:04:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-21 23:04:25,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-21 23:04:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-21 23:04:25,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-21 23:04:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:04:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 23:04:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-21 23:04:25,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-21 23:04:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:04:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:04:25,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:04:26,042 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:04:26,044 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:04:36,953 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:04:37,109 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:04:37,109 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 23:04:37,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:04:37 BoogieIcfgContainer [2022-11-21 23:04:37,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:04:37,113 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:04:37,113 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:04:37,123 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:04:37,124 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:04:37" (1/1) ... [2022-11-21 23:04:37,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:04:37,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:37,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 104 states and 142 transitions. [2022-11-21 23:04:37,209 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 142 transitions. [2022-11-21 23:04:37,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:04:37,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:37,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:47,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 23:04:47,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:47,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 105 states and 144 transitions. [2022-11-21 23:04:47,795 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2022-11-21 23:04:47,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:04:47,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:47,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:47,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 106 states and 145 transitions. [2022-11-21 23:04:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2022-11-21 23:04:47,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:04:47,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:47,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:48,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 107 states and 146 transitions. [2022-11-21 23:04:48,161 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 146 transitions. [2022-11-21 23:04:48,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:04:48,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:48,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:49,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 108 states and 150 transitions. [2022-11-21 23:04:49,980 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 150 transitions. [2022-11-21 23:04:49,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:04:49,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:49,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:50,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:50,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 109 states and 152 transitions. [2022-11-21 23:04:50,209 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 152 transitions. [2022-11-21 23:04:50,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:04:50,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:50,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:51,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:51,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 109 states and 153 transitions. [2022-11-21 23:04:51,747 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 153 transitions. [2022-11-21 23:04:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:04:51,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:51,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:51,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:04:51,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:51,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 108 states and 152 transitions. [2022-11-21 23:04:51,967 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 152 transitions. [2022-11-21 23:04:51,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:04:51,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:51,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:52,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 107 states and 149 transitions. [2022-11-21 23:04:52,606 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 149 transitions. [2022-11-21 23:04:52,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:04:52,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:52,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:54,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:54,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 107 states and 150 transitions. [2022-11-21 23:04:54,057 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 150 transitions. [2022-11-21 23:04:54,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:04:54,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:54,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:54,190 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:04:55,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:55,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 115 states and 159 transitions. [2022-11-21 23:04:55,190 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 159 transitions. [2022-11-21 23:04:55,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:04:55,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:55,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:56,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:56,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 115 states and 160 transitions. [2022-11-21 23:04:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 160 transitions. [2022-11-21 23:04:56,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:04:56,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:56,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:56,605 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:04:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 116 states and 161 transitions. [2022-11-21 23:04:56,630 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 161 transitions. [2022-11-21 23:04:56,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:04:56,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:56,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:56,913 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 23:04:58,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 115 states and 160 transitions. [2022-11-21 23:04:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 160 transitions. [2022-11-21 23:04:58,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:04:58,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:58,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:04:59,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:59,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 118 states and 162 transitions. [2022-11-21 23:04:59,413 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 162 transitions. [2022-11-21 23:04:59,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:04:59,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:59,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:59,609 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-21 23:05:00,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 121 states and 164 transitions. [2022-11-21 23:05:00,310 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2022-11-21 23:05:00,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:05:00,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:00,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 23:05:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:03,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 120 states and 162 transitions. [2022-11-21 23:05:03,868 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 162 transitions. [2022-11-21 23:05:03,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:05:03,869 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-11-21 23:05:03,877 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 23:05:04,296 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-11-21 23:05:04,311 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-21 23:05:04,311 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:05:04,312 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:05:04,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:05:04 ImpRootNode [2022-11-21 23:05:04,312 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:05:04,313 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:05:04,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:05:04,313 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:05:04,314 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:04:37" (3/4) ... [2022-11-21 23:05:04,317 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:05:04,323 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2022-11-21 23:05:04,323 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-21 23:05:04,323 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2022-11-21 23:05:04,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-21 23:05:04,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2022-11-21 23:05:04,333 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-11-21 23:05:04,334 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-21 23:05:04,335 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 23:05:04,335 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 23:05:04,336 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:05:04,468 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:05:04,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:05:04,469 INFO L158 Benchmark]: Toolchain (without parser) took 39597.00ms. Allocated memory was 153.1MB in the beginning and 866.1MB in the end (delta: 713.0MB). Free memory was 104.4MB in the beginning and 545.3MB in the end (delta: -441.0MB). Peak memory consumption was 273.7MB. Max. memory is 16.1GB. [2022-11-21 23:05:04,469 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 153.1MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:05:04,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 773.20ms. Allocated memory is still 153.1MB. Free memory was 103.8MB in the beginning and 77.1MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-21 23:05:04,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.26ms. Allocated memory is still 153.1MB. Free memory was 77.1MB in the beginning and 73.5MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:05:04,471 INFO L158 Benchmark]: Boogie Preprocessor took 53.48ms. Allocated memory is still 153.1MB. Free memory was 73.5MB in the beginning and 69.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:05:04,471 INFO L158 Benchmark]: RCFGBuilder took 11335.47ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 69.6MB in the beginning and 137.6MB in the end (delta: -68.0MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2022-11-21 23:05:04,471 INFO L158 Benchmark]: CodeCheck took 27199.30ms. Allocated memory was 186.6MB in the beginning and 866.1MB in the end (delta: 679.5MB). Free memory was 137.6MB in the beginning and 553.6MB in the end (delta: -416.0MB). Peak memory consumption was 263.3MB. Max. memory is 16.1GB. [2022-11-21 23:05:04,472 INFO L158 Benchmark]: Witness Printer took 155.88ms. Allocated memory is still 866.1MB. Free memory was 553.6MB in the beginning and 545.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 23:05:04,473 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: 26.7s, 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, 164.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 221 mSDsluCounter, 598 SdHoareTripleChecker+Invalid, 163.7s 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, 7.6s 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 0.24ms. Allocated memory is still 153.1MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 773.20ms. Allocated memory is still 153.1MB. Free memory was 103.8MB in the beginning and 77.1MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.26ms. Allocated memory is still 153.1MB. Free memory was 77.1MB in the beginning and 73.5MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.48ms. Allocated memory is still 153.1MB. Free memory was 73.5MB in the beginning and 69.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11335.47ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 69.6MB in the beginning and 137.6MB in the end (delta: -68.0MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * CodeCheck took 27199.30ms. Allocated memory was 186.6MB in the beginning and 866.1MB in the end (delta: 679.5MB). Free memory was 137.6MB in the beginning and 553.6MB in the end (delta: -416.0MB). Peak memory consumption was 263.3MB. Max. memory is 16.1GB. * Witness Printer took 155.88ms. Allocated memory is still 866.1MB. Free memory was 553.6MB in the beginning and 545.3MB 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! [2022-11-21 23:05:04,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f788088a-550f-4dce-9936-1c8b60a98908/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE