./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN --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 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:55:04,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:55:04,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:55:04,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:55:04,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:55:04,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:55:04,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:55:04,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:55:04,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:55:04,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:55:04,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:55:04,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:55:04,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:55:04,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:55:04,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:55:04,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:55:04,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:55:04,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:55:04,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:55:04,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:55:04,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:55:04,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:55:04,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:55:04,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:55:04,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:55:04,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:55:04,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:55:04,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:55:04,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:55:04,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:55:04,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:55:04,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:55:04,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:55:04,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:55:04,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:55:04,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:55:04,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:55:04,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:55:04,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:55:04,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:55:04,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:55:04,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 05:55:04,720 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:55:04,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:55:04,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:55:04,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:55:04,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:55:04,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:55:04,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:55:04,724 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:55:04,724 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:55:04,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:55:04,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:55:04,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:55:04,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:55:04,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:55:04,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:55:04,732 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:55:04,733 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:55:04,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:55:04,733 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:55:04,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:55:04,733 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:55:04,734 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:55:04,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:55:04,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:55:04,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:55:04,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:55:04,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:55:04,735 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:55:04,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:55:04,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:55:04,737 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_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 [2021-11-21 05:55:05,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:55:05,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:55:05,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:55:05,034 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:55:05,035 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:55:05,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2021-11-21 05:55:05,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/data/86f24c245/f0855d2e50504102a022983b11a064c5/FLAGc22ef3658 [2021-11-21 05:55:05,678 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:55:05,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2021-11-21 05:55:05,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/data/86f24c245/f0855d2e50504102a022983b11a064c5/FLAGc22ef3658 [2021-11-21 05:55:05,882 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/data/86f24c245/f0855d2e50504102a022983b11a064c5 [2021-11-21 05:55:05,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:55:05,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:55:05,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:55:05,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:55:05,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:55:05,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:55:05" (1/1) ... [2021-11-21 05:55:05,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d17a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:05, skipping insertion in model container [2021-11-21 05:55:05,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:55:05" (1/1) ... [2021-11-21 05:55:05,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:55:05,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:55:06,500 WARN L230 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_80a34668-6ebe-4cda-8f7d-71067885b1de/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[33021,33034] [2021-11-21 05:55:06,694 WARN L230 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_80a34668-6ebe-4cda-8f7d-71067885b1de/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[49681,49694] [2021-11-21 05:55:06,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:55:06,750 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:55:06,787 WARN L230 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_80a34668-6ebe-4cda-8f7d-71067885b1de/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[33021,33034] [2021-11-21 05:55:06,898 WARN L230 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_80a34668-6ebe-4cda-8f7d-71067885b1de/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[49681,49694] [2021-11-21 05:55:06,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:55:06,970 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:55:06,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:06 WrapperNode [2021-11-21 05:55:06,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:55:06,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:55:06,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:55:06,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:55:06,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:06" (1/1) ... [2021-11-21 05:55:07,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:06" (1/1) ... [2021-11-21 05:55:07,177 INFO L137 Inliner]: procedures = 177, calls = 487, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1704 [2021-11-21 05:55:07,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:55:07,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:55:07,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:55:07,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:55:07,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:06" (1/1) ... [2021-11-21 05:55:07,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:06" (1/1) ... [2021-11-21 05:55:07,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:06" (1/1) ... [2021-11-21 05:55:07,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:06" (1/1) ... [2021-11-21 05:55:07,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:06" (1/1) ... [2021-11-21 05:55:07,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:06" (1/1) ... [2021-11-21 05:55:07,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:06" (1/1) ... [2021-11-21 05:55:07,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:55:07,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:55:07,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:55:07,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:55:07,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:06" (1/1) ... [2021-11-21 05:55:07,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:55:07,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:55:07,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:55:07,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:55:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:55:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 05:55:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 05:55:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:55:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 05:55:07,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 05:55:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:55:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:55:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:55:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:55:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 05:55:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:55:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:55:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:55:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:55:07,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:55:07,819 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:55:07,821 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:55:09,281 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:55:09,910 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:55:09,911 INFO L301 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-21 05:55:09,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:55:09 BoogieIcfgContainer [2021-11-21 05:55:09,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:55:09,915 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:55:09,915 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:55:09,924 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:55:09,925 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:55:09" (1/1) ... [2021-11-21 05:55:09,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:55:10,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:10,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 190 states and 326 transitions. [2021-11-21 05:55:10,027 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 326 transitions. [2021-11-21 05:55:10,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:55:10,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:10,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:10,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:10,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:10,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 192 states and 329 transitions. [2021-11-21 05:55:10,292 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 329 transitions. [2021-11-21 05:55:10,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:55:10,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:10,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:10,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:55:10,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:10,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:10,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 191 states and 328 transitions. [2021-11-21 05:55:10,431 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 328 transitions. [2021-11-21 05:55:10,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:55:10,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:10,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:10,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:55:10,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:10,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 191 states and 324 transitions. [2021-11-21 05:55:10,578 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 324 transitions. [2021-11-21 05:55:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:55:10,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:10,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:10,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:55:10,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:10,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:10,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 191 states and 316 transitions. [2021-11-21 05:55:10,733 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 316 transitions. [2021-11-21 05:55:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:55:10,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:10,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:10,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:55:10,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:10,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:10,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:10,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 191 states and 304 transitions. [2021-11-21 05:55:10,898 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 304 transitions. [2021-11-21 05:55:10,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:55:10,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:10,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:11,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:55:11,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:11,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:11,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 191 states and 292 transitions. [2021-11-21 05:55:11,211 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 292 transitions. [2021-11-21 05:55:11,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:55:11,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:11,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:11,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:11,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:12,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:12,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 236 states and 348 transitions. [2021-11-21 05:55:12,094 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 348 transitions. [2021-11-21 05:55:12,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:55:12,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:12,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:12,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:55:12,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:12,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:12,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 236 states and 346 transitions. [2021-11-21 05:55:12,337 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 346 transitions. [2021-11-21 05:55:12,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:55:12,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:12,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:12,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:55:12,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:12,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:12,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 236 states and 344 transitions. [2021-11-21 05:55:12,589 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 344 transitions. [2021-11-21 05:55:12,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 05:55:12,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:12,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:12,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:12,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:13,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 282 states and 402 transitions. [2021-11-21 05:55:13,547 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 402 transitions. [2021-11-21 05:55:13,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:55:13,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:13,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:13,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:55:13,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:13,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:13,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 282 states and 400 transitions. [2021-11-21 05:55:13,745 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 400 transitions. [2021-11-21 05:55:13,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:55:13,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:13,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:13,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:55:13,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:13,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:13,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:13,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 282 states and 398 transitions. [2021-11-21 05:55:13,944 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 398 transitions. [2021-11-21 05:55:13,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:55:13,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:13,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:14,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:55:14,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:14,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 316 states and 440 transitions. [2021-11-21 05:55:14,626 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 440 transitions. [2021-11-21 05:55:14,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:55:14,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:14,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:14,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:55:14,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:14,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:14,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 316 states and 438 transitions. [2021-11-21 05:55:14,875 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 438 transitions. [2021-11-21 05:55:14,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:55:14,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:14,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:15,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:55:15,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 316 states and 436 transitions. [2021-11-21 05:55:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 436 transitions. [2021-11-21 05:55:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:55:15,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:15,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:15,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:55:15,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:15,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:15,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 316 states and 434 transitions. [2021-11-21 05:55:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 434 transitions. [2021-11-21 05:55:15,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:55:15,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:15,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:15,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:15,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:15,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:55:15,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:15,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 319 states and 436 transitions. [2021-11-21 05:55:15,630 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 436 transitions. [2021-11-21 05:55:15,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:55:15,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:15,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:15,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:15,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:15,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:55:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:15,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 322 states and 438 transitions. [2021-11-21 05:55:15,906 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 438 transitions. [2021-11-21 05:55:15,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:55:15,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:15,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:16,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:16,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:16,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:55:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 325 states and 440 transitions. [2021-11-21 05:55:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 440 transitions. [2021-11-21 05:55:16,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:55:16,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:16,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:16,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:16,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:16,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:55:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 328 states and 442 transitions. [2021-11-21 05:55:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 442 transitions. [2021-11-21 05:55:16,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 05:55:16,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:16,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:16,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:55:16,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:16,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:55:16,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:16,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 331 states and 444 transitions. [2021-11-21 05:55:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 444 transitions. [2021-11-21 05:55:16,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 05:55:16,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:16,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:17,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:55:17,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:17,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:55:17,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:17,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 334 states and 446 transitions. [2021-11-21 05:55:17,246 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 446 transitions. [2021-11-21 05:55:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 05:55:17,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:17,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:17,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:55:17,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:17,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:17,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:17,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 334 states and 445 transitions. [2021-11-21 05:55:17,515 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 445 transitions. [2021-11-21 05:55:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 05:55:17,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:17,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:17,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:17,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:17,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:18,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 343 states and 456 transitions. [2021-11-21 05:55:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 456 transitions. [2021-11-21 05:55:18,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:55:18,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:18,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:18,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:18,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:55:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:18,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 352 states and 466 transitions. [2021-11-21 05:55:18,364 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 466 transitions. [2021-11-21 05:55:18,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:55:18,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:18,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:18,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:18,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:18,628 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:55:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:18,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 361 states and 476 transitions. [2021-11-21 05:55:18,676 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 476 transitions. [2021-11-21 05:55:18,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:55:18,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:18,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:18,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:18,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:19,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 370 states and 487 transitions. [2021-11-21 05:55:19,166 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 487 transitions. [2021-11-21 05:55:19,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:55:19,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:19,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:19,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:19,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:19,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:55:19,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 379 states and 497 transitions. [2021-11-21 05:55:19,505 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 497 transitions. [2021-11-21 05:55:19,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:55:19,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:19,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:19,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:19,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:19,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:55:19,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:19,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 388 states and 507 transitions. [2021-11-21 05:55:19,839 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 507 transitions. [2021-11-21 05:55:19,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:55:19,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:19,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:19,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:55:19,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:20,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:20,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 397 states and 518 transitions. [2021-11-21 05:55:20,474 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 518 transitions. [2021-11-21 05:55:20,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:55:20,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:20,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:20,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:20,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:20,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:21,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 398 states and 520 transitions. [2021-11-21 05:55:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 520 transitions. [2021-11-21 05:55:21,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:55:21,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:21,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:21,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:55:21,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:55:22,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 411 states and 535 transitions. [2021-11-21 05:55:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 535 transitions. [2021-11-21 05:55:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:55:22,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:22,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:22,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:55:22,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:22,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:55:22,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:22,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 420 states and 545 transitions. [2021-11-21 05:55:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 545 transitions. [2021-11-21 05:55:22,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 05:55:22,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:22,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:22,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:55:22,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:22,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:55:22,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:22,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 423 states and 547 transitions. [2021-11-21 05:55:22,916 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 547 transitions. [2021-11-21 05:55:22,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 05:55:22,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:22,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:23,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:55:23,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:23,879 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 05:55:24,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:24,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 425 states and 555 transitions. [2021-11-21 05:55:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 555 transitions. [2021-11-21 05:55:24,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-21 05:55:24,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:24,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:24,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:24,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:24,387 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 05:55:25,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:25,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 426 states and 557 transitions. [2021-11-21 05:55:25,072 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 557 transitions. [2021-11-21 05:55:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 05:55:25,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:25,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:25,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 05:55:25,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 05:55:25,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:25,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 426 states and 557 transitions. [2021-11-21 05:55:25,934 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 557 transitions. [2021-11-21 05:55:25,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 05:55:25,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:25,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:28,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 05:55:28,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:28,758 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 05:55:28,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:28,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 426 states and 557 transitions. [2021-11-21 05:55:28,770 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 557 transitions. [2021-11-21 05:55:28,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 05:55:28,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:28,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:30,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 05:55:30,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:30,734 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 05:55:31,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:31,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 428 states and 560 transitions. [2021-11-21 05:55:31,238 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 560 transitions. [2021-11-21 05:55:31,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 05:55:31,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:31,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:31,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:55:31,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-21 05:55:32,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:32,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 429 states and 562 transitions. [2021-11-21 05:55:32,417 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 562 transitions. [2021-11-21 05:55:32,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 05:55:32,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:32,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:32,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:55:32,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:32,796 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-21 05:55:32,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:32,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 429 states and 560 transitions. [2021-11-21 05:55:32,809 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 560 transitions. [2021-11-21 05:55:32,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 05:55:32,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:32,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:33,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:55:33,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:33,324 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 05:55:34,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:34,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 432 states and 562 transitions. [2021-11-21 05:55:34,310 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 562 transitions. [2021-11-21 05:55:34,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 05:55:34,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:34,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:35,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 05:55:35,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:55:36,071 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 50 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 05:55:36,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 432 states and 562 transitions. [2021-11-21 05:55:36,370 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 562 transitions. [2021-11-21 05:55:36,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 05:55:36,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:36,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 05:55:46,604 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 05:55:46,607 INFO L158 Benchmark]: Toolchain (without parser) took 40720.54ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 103.0MB in the beginning and 198.7MB in the end (delta: -95.6MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. [2021-11-21 05:55:46,608 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory was 123.1MB in the beginning and 123.0MB in the end (delta: 78.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:55:46,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1083.24ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 87.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 05:55:46,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 205.91ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 77.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 05:55:46,610 INFO L158 Benchmark]: Boogie Preprocessor took 175.77ms. Allocated memory is still 142.6MB. Free memory was 76.6MB in the beginning and 65.3MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 05:55:46,611 INFO L158 Benchmark]: RCFGBuilder took 2559.83ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 65.3MB in the beginning and 144.5MB in the end (delta: -79.2MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2021-11-21 05:55:46,611 INFO L158 Benchmark]: CodeCheck took 36691.03ms. Allocated memory was 188.7MB in the beginning and 335.5MB in the end (delta: 146.8MB). Free memory was 144.5MB in the beginning and 198.7MB in the end (delta: -54.1MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2021-11-21 05:55:46,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory was 123.1MB in the beginning and 123.0MB in the end (delta: 78.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1083.24ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 87.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 205.91ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 77.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 175.77ms. Allocated memory is still 142.6MB. Free memory was 76.6MB in the beginning and 65.3MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 2559.83ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 65.3MB in the beginning and 144.5MB in the end (delta: -79.2MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * CodeCheck took 36691.03ms. Allocated memory was 188.7MB in the beginning and 335.5MB in the end (delta: 146.8MB). Free memory was 144.5MB in the beginning and 198.7MB in the end (delta: -54.1MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 05:55:46,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a34668-6ebe-4cda-8f7d-71067885b1de/bin/ukojak-vF6T2TMglN/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown