./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_security.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:30:07,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:30:07,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:30:07,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:30:07,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:30:07,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:30:07,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:30:07,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:30:07,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:30:07,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:30:07,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:30:07,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:30:07,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:30:07,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:30:07,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:30:07,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:30:07,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:30:07,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:30:07,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:30:07,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:30:07,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:30:07,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:30:07,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:30:07,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:30:07,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:30:07,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:30:07,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:30:07,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:30:07,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:30:07,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:30:07,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:30:07,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:30:07,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:30:07,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:30:07,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:30:07,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:30:07,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:30:07,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:30:07,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:30:07,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:30:07,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:30:07,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:30:07,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:30:07,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:30:07,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:30:07,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:30:07,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:30:07,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:30:07,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:30:07,200 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:30:07,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:30:07,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:30:07,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:30:07,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:30:07,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:30:07,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:30:07,203 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:30:07,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:30:07,203 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:30:07,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:30:07,204 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:30:07,204 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:30:07,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:30:07,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:30:07,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:30:07,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:30:07,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:30:07,206 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:30:07,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:30:07,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:30:07,206 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_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 [2021-10-29 03:30:07,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:30:07,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:30:07,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:30:07,501 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:30:07,502 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:30:07,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/psyco/psyco_security.c [2021-10-29 03:30:07,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/data/e9726b903/131ce2a7aa964024b07d485e7decba17/FLAGe0584ec71 [2021-10-29 03:30:08,138 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:30:08,139 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/sv-benchmarks/c/psyco/psyco_security.c [2021-10-29 03:30:08,148 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/data/e9726b903/131ce2a7aa964024b07d485e7decba17/FLAGe0584ec71 [2021-10-29 03:30:08,523 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/data/e9726b903/131ce2a7aa964024b07d485e7decba17 [2021-10-29 03:30:08,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:30:08,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:30:08,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:30:08,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:30:08,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:30:08,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:30:08" (1/1) ... [2021-10-29 03:30:08,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6719f599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:08, skipping insertion in model container [2021-10-29 03:30:08,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:30:08" (1/1) ... [2021-10-29 03:30:08,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:30:08,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:30:08,756 WARN L228 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_2860d477-021f-4a4e-8325-fee43c8ff8c2/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2021-10-29 03:30:08,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:30:08,769 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:30:08,804 WARN L228 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_2860d477-021f-4a4e-8325-fee43c8ff8c2/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2021-10-29 03:30:08,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:30:08,820 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:30:08,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:08 WrapperNode [2021-10-29 03:30:08,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:30:08,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:30:08,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:30:08,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:30:08,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:08" (1/1) ... [2021-10-29 03:30:08,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:08" (1/1) ... [2021-10-29 03:30:08,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:30:08,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:30:08,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:30:08,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:30:08,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:08" (1/1) ... [2021-10-29 03:30:08,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:08" (1/1) ... [2021-10-29 03:30:08,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:08" (1/1) ... [2021-10-29 03:30:08,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:08" (1/1) ... [2021-10-29 03:30:08,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:08" (1/1) ... [2021-10-29 03:30:08,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:08" (1/1) ... [2021-10-29 03:30:08,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:08" (1/1) ... [2021-10-29 03:30:08,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:30:08,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:30:08,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:30:08,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:30:08,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:08" (1/1) ... [2021-10-29 03:30:08,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:30:08,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:30:08,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:30:08,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:30:09,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:30:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:30:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:30:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:30:09,396 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:30:09,396 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-29 03:30:09,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:30:09 BoogieIcfgContainer [2021-10-29 03:30:09,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:30:09,413 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:30:09,413 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:30:09,423 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:30:09,424 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:30:09" (1/1) ... [2021-10-29 03:30:09,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:30:09,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:09,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2021-10-29 03:30:09,470 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2021-10-29 03:30:09,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:30:09,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:09,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:30:09,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:09,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2021-10-29 03:30:09,667 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2021-10-29 03:30:09,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:30:09,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:09,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:30:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:09,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2021-10-29 03:30:09,799 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2021-10-29 03:30:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:30:09,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:09,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:09,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:09,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2021-10-29 03:30:09,897 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2021-10-29 03:30:09,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:30:09,898 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:09,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:09,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:30:10,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:10,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 82 states and 141 transitions. [2021-10-29 03:30:10,061 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2021-10-29 03:30:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:30:10,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:10,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:10,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:30:10,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:10,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 91 states and 160 transitions. [2021-10-29 03:30:10,263 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2021-10-29 03:30:10,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:30:10,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:10,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:30:10,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:10,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 92 states and 160 transitions. [2021-10-29 03:30:10,326 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 160 transitions. [2021-10-29 03:30:10,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:30:10,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:10,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:10,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:30:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:10,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 172 transitions. [2021-10-29 03:30:10,455 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2021-10-29 03:30:10,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:30:10,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:10,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:30:10,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:10,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 103 states and 177 transitions. [2021-10-29 03:30:10,585 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 177 transitions. [2021-10-29 03:30:10,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:30:10,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:10,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:10,662 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 106 states and 191 transitions. [2021-10-29 03:30:10,778 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 191 transitions. [2021-10-29 03:30:10,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:30:10,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:10,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:11,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:11,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 109 states and 202 transitions. [2021-10-29 03:30:11,014 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 202 transitions. [2021-10-29 03:30:11,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:30:11,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:11,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:11,049 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 110 states and 203 transitions. [2021-10-29 03:30:11,116 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 203 transitions. [2021-10-29 03:30:11,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:30:11,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:11,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:11,164 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:11,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:11,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 119 states and 225 transitions. [2021-10-29 03:30:11,242 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 225 transitions. [2021-10-29 03:30:11,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:30:11,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:11,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 03:30:11,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:11,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 122 states and 234 transitions. [2021-10-29 03:30:11,503 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 234 transitions. [2021-10-29 03:30:11,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:30:11,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:11,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:11,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:11,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 127 states and 249 transitions. [2021-10-29 03:30:11,778 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 249 transitions. [2021-10-29 03:30:11,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:30:11,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:11,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:11,811 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:11,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:11,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 130 states and 253 transitions. [2021-10-29 03:30:11,828 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 253 transitions. [2021-10-29 03:30:11,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:30:11,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:11,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:11,866 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:12,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:12,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 135 states and 264 transitions. [2021-10-29 03:30:12,026 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 264 transitions. [2021-10-29 03:30:12,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:30:12,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:12,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:12,053 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:30:12,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:12,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 135 states and 260 transitions. [2021-10-29 03:30:12,118 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 260 transitions. [2021-10-29 03:30:12,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:30:12,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:12,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:12,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 146 states and 282 transitions. [2021-10-29 03:30:12,336 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 282 transitions. [2021-10-29 03:30:12,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:30:12,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:12,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:12,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 149 states and 285 transitions. [2021-10-29 03:30:12,443 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 285 transitions. [2021-10-29 03:30:12,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:30:12,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:12,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:12,488 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:12,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:12,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 161 states and 308 transitions. [2021-10-29 03:30:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 308 transitions. [2021-10-29 03:30:12,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:30:12,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:12,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:12,764 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:12,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 315 transitions. [2021-10-29 03:30:12,782 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 315 transitions. [2021-10-29 03:30:12,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:30:12,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:12,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:12,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 165 states and 317 transitions. [2021-10-29 03:30:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 317 transitions. [2021-10-29 03:30:12,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:30:12,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:12,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:12,862 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:13,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:13,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 171 states and 331 transitions. [2021-10-29 03:30:13,081 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 331 transitions. [2021-10-29 03:30:13,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:30:13,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:13,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:13,098 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:13,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 173 states and 340 transitions. [2021-10-29 03:30:13,116 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 340 transitions. [2021-10-29 03:30:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:30:13,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:13,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 03:30:13,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:13,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 173 states and 339 transitions. [2021-10-29 03:30:13,223 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 339 transitions. [2021-10-29 03:30:13,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:30:13,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:13,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 03:30:13,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:13,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 173 states and 338 transitions. [2021-10-29 03:30:13,252 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 338 transitions. [2021-10-29 03:30:13,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:30:13,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:13,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 03:30:13,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 173 states and 337 transitions. [2021-10-29 03:30:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 337 transitions. [2021-10-29 03:30:13,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:30:13,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:13,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 03:30:13,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 173 states and 336 transitions. [2021-10-29 03:30:13,406 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 336 transitions. [2021-10-29 03:30:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:30:13,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:13,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 03:30:13,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:13,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 173 states and 335 transitions. [2021-10-29 03:30:13,447 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 335 transitions. [2021-10-29 03:30:13,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:30:13,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:13,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:13,477 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:30:13,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 174 states and 334 transitions. [2021-10-29 03:30:13,607 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 334 transitions. [2021-10-29 03:30:13,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 03:30:13,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:13,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:13,630 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:30:13,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:13,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 174 states and 333 transitions. [2021-10-29 03:30:13,646 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 333 transitions. [2021-10-29 03:30:13,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:30:13,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:13,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:13,665 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:30:13,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:13,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 174 states and 332 transitions. [2021-10-29 03:30:13,768 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 332 transitions. [2021-10-29 03:30:13,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:30:13,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:13,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:30:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:13,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 174 states and 331 transitions. [2021-10-29 03:30:13,797 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 331 transitions. [2021-10-29 03:30:13,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:30:13,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:13,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:13,812 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 03:30:13,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 174 states and 328 transitions. [2021-10-29 03:30:13,918 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 328 transitions. [2021-10-29 03:30:13,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:30:13,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:13,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:13,937 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:30:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 174 states and 327 transitions. [2021-10-29 03:30:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 327 transitions. [2021-10-29 03:30:13,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:30:13,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:13,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:13,976 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:30:14,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:14,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 176 states and 327 transitions. [2021-10-29 03:30:14,251 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 327 transitions. [2021-10-29 03:30:14,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:30:14,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:14,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:14,271 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:30:14,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 176 states and 326 transitions. [2021-10-29 03:30:14,285 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 326 transitions. [2021-10-29 03:30:14,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:30:14,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:14,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:14,319 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:30:14,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:14,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 176 states and 325 transitions. [2021-10-29 03:30:14,334 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 325 transitions. [2021-10-29 03:30:14,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:30:14,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:14,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:14,350 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 03:30:14,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:14,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 176 states and 322 transitions. [2021-10-29 03:30:14,372 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 322 transitions. [2021-10-29 03:30:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:30:14,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:14,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:14,394 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 03:30:14,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:14,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 181 states and 331 transitions. [2021-10-29 03:30:14,951 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 331 transitions. [2021-10-29 03:30:14,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:30:14,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:14,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:14,968 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:30:14,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:14,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 181 states and 330 transitions. [2021-10-29 03:30:14,983 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 330 transitions. [2021-10-29 03:30:14,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 03:30:14,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:14,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:30:15,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 186 states and 338 transitions. [2021-10-29 03:30:15,599 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 338 transitions. [2021-10-29 03:30:15,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 03:30:15,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:15,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:30:15,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:15,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 186 states and 335 transitions. [2021-10-29 03:30:15,781 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 335 transitions. [2021-10-29 03:30:15,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 03:30:15,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:15,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:30:15,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 186 states and 332 transitions. [2021-10-29 03:30:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 332 transitions. [2021-10-29 03:30:15,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 03:30:15,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:15,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:15,841 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:30:15,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:15,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2021-10-29 03:30:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2021-10-29 03:30:15,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:30:15,866 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2021-10-29 03:30:15,872 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:30:16,008 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:30:16,021 INFO L565 CodeCheckObserver]: Invariant with dag size 17 [2021-10-29 03:30:16,023 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:30:16,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:30:16 ImpRootNode [2021-10-29 03:30:16,025 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:30:16,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:30:16,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:30:16,026 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:30:16,027 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:30:09" (3/4) ... [2021-10-29 03:30:16,034 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:30:16,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 03:30:16,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 03:30:16,060 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:30:16,060 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:30:16,101 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:30:16,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:30:16,103 INFO L168 Benchmark]: Toolchain (without parser) took 7572.09 ms. Allocated memory was 96.5 MB in the beginning and 157.3 MB in the end (delta: 60.8 MB). Free memory was 63.8 MB in the beginning and 76.9 MB in the end (delta: -13.1 MB). Peak memory consumption was 47.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:16,103 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:30:16,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.59 ms. Allocated memory is still 96.5 MB. Free memory was 63.6 MB in the beginning and 70.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:16,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.28 ms. Allocated memory is still 96.5 MB. Free memory was 70.4 MB in the beginning and 68.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:16,105 INFO L168 Benchmark]: Boogie Preprocessor took 31.08 ms. Allocated memory is still 96.5 MB. Free memory was 68.5 MB in the beginning and 66.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:16,105 INFO L168 Benchmark]: RCFGBuilder took 511.99 ms. Allocated memory is still 96.5 MB. Free memory was 66.7 MB in the beginning and 50.2 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:16,106 INFO L168 Benchmark]: CodeCheck took 6611.85 ms. Allocated memory was 96.5 MB in the beginning and 157.3 MB in the end (delta: 60.8 MB). Free memory was 49.9 MB in the beginning and 80.0 MB in the end (delta: -30.1 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:16,106 INFO L168 Benchmark]: Witness Printer took 75.86 ms. Allocated memory is still 157.3 MB. Free memory was 80.0 MB in the beginning and 76.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:16,113 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 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 421875744 SDtfs, 885139996 SDslu, 20009932 SDs, 0 SdLazy, -969216608 SolverSat, 616702112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13987 GetRequests, 13708 SyntacticMatches, 121 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13705 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1318 NumberOfCodeBlocks, 1318 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 1273 ConstructedInterpolants, 0 QuantifiedInterpolants, 2522 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 44 PerfectInterpolantSequences, 587/589 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: 391]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: q == 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((2 == this_state && q == 3) || (q == 4 && 3 == this_state)) || q == 0) || (q == 2 && this_state == 0) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 290.59 ms. Allocated memory is still 96.5 MB. Free memory was 63.6 MB in the beginning and 70.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.28 ms. Allocated memory is still 96.5 MB. Free memory was 70.4 MB in the beginning and 68.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.08 ms. Allocated memory is still 96.5 MB. Free memory was 68.5 MB in the beginning and 66.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 511.99 ms. Allocated memory is still 96.5 MB. Free memory was 66.7 MB in the beginning and 50.2 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 6611.85 ms. Allocated memory was 96.5 MB in the beginning and 157.3 MB in the end (delta: 60.8 MB). Free memory was 49.9 MB in the beginning and 80.0 MB in the end (delta: -30.1 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. * Witness Printer took 75.86 ms. Allocated memory is still 157.3 MB. Free memory was 80.0 MB in the beginning and 76.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:30:16,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2860d477-021f-4a4e-8325-fee43c8ff8c2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...