./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.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_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/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_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/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_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/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 942b28ff7c0583b7db8395d2c315e70afc8fe68ba69d39faf867ac75d7628edb ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:33:17,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:33:17,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:33:17,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:33:17,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:33:17,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:33:17,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:33:17,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:33:17,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:33:17,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:33:17,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:33:17,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:33:17,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:33:17,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:33:17,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:33:17,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:33:17,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:33:17,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:33:17,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:33:17,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:33:17,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:33:17,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:33:17,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:33:17,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:33:17,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:33:17,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:33:17,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:33:17,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:33:17,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:33:17,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:33:17,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:33:17,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:33:17,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:33:17,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:33:17,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:33:17,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:33:17,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:33:17,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:33:17,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:33:17,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:33:17,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:33:17,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:33:17,188 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:33:17,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:33:17,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:33:17,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:33:17,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:33:17,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:33:17,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:33:17,192 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:33:17,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:33:17,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:33:17,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:33:17,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:33:17,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:33:17,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:33:17,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:33:17,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:33:17,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:33:17,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:33:17,195 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:33:17,196 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:33:17,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:33:17,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:33:17,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:33:17,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:33:17,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:33:17,197 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:33:17,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:33:17,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:33:17,198 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_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 942b28ff7c0583b7db8395d2c315e70afc8fe68ba69d39faf867ac75d7628edb [2021-10-29 03:33:17,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:33:17,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:33:17,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:33:17,537 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:33:17,538 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:33:17,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c [2021-10-29 03:33:17,620 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/bin/ukojak-Rh5K9KB4LI/data/1b1ccbb1b/d4e192f3ef1044518ee2239689ddcd41/FLAG5df1536a0 [2021-10-29 03:33:18,194 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:33:18,195 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c [2021-10-29 03:33:18,201 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/bin/ukojak-Rh5K9KB4LI/data/1b1ccbb1b/d4e192f3ef1044518ee2239689ddcd41/FLAG5df1536a0 [2021-10-29 03:33:18,544 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/bin/ukojak-Rh5K9KB4LI/data/1b1ccbb1b/d4e192f3ef1044518ee2239689ddcd41 [2021-10-29 03:33:18,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:33:18,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:33:18,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:33:18,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:33:18,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:33:18,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:33:18" (1/1) ... [2021-10-29 03:33:18,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747176ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:18, skipping insertion in model container [2021-10-29 03:33:18,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:33:18" (1/1) ... [2021-10-29 03:33:18,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:33:18,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:33:18,762 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_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c[588,601] [2021-10-29 03:33:18,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:33:18,792 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:33:18,802 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_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c[588,601] [2021-10-29 03:33:18,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:33:18,830 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:33:18,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:18 WrapperNode [2021-10-29 03:33:18,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:33:18,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:33:18,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:33:18,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:33:18,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:18" (1/1) ... [2021-10-29 03:33:18,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:18" (1/1) ... [2021-10-29 03:33:18,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:33:18,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:33:18,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:33:18,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:33:18,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:18" (1/1) ... [2021-10-29 03:33:18,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:18" (1/1) ... [2021-10-29 03:33:18,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:18" (1/1) ... [2021-10-29 03:33:18,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:18" (1/1) ... [2021-10-29 03:33:18,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:18" (1/1) ... [2021-10-29 03:33:18,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:18" (1/1) ... [2021-10-29 03:33:18,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:18" (1/1) ... [2021-10-29 03:33:18,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:33:18,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:33:18,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:33:18,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:33:18,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:18" (1/1) ... [2021-10-29 03:33:18,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:33:18,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:33:18,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:33:18,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:33:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:33:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:33:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:33:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:33:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:33:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:33:19,356 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:33:19,357 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:33:19,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:33:19 BoogieIcfgContainer [2021-10-29 03:33:19,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:33:19,360 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:33:19,361 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:33:19,372 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:33:19,372 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:33:19" (1/1) ... [2021-10-29 03:33:19,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:33:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:19,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2021-10-29 03:33:19,429 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2021-10-29 03:33:19,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:33:19,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:19,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:19,673 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 03:33:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:19,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2021-10-29 03:33:19,855 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2021-10-29 03:33:19,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:33:19,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:19,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:19,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:33:19,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:20,034 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 03:33:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:20,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 52 transitions. [2021-10-29 03:33:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2021-10-29 03:33:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:33:20,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:20,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:20,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:33:20,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:20,342 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 03:33:20,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:20,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 61 transitions. [2021-10-29 03:33:20,635 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-10-29 03:33:20,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:33:20,637 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:20,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:20,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:33:20,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:20,877 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:33:21,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:21,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 66 transitions. [2021-10-29 03:33:21,116 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2021-10-29 03:33:21,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:33:21,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:21,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:21,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:33:21,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:33:21,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:21,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 69 transitions. [2021-10-29 03:33:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2021-10-29 03:33:21,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:33:21,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:21,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:21,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:33:21,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:21,542 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 03:33:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 66 transitions. [2021-10-29 03:33:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2021-10-29 03:33:21,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:33:21,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:21,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:22,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:33:22,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:22,240 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-29 03:33:22,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:22,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 81 transitions. [2021-10-29 03:33:22,823 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2021-10-29 03:33:22,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:33:22,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:22,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:22,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:33:22,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:33:23,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:23,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 88 transitions. [2021-10-29 03:33:23,512 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2021-10-29 03:33:23,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:33:23,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:23,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:23,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:33:23,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:23,834 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 03:33:24,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:24,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 52 states and 96 transitions. [2021-10-29 03:33:24,387 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2021-10-29 03:33:24,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 03:33:24,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:24,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:24,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:33:24,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 03:33:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:25,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 98 transitions. [2021-10-29 03:33:25,198 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2021-10-29 03:33:25,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-29 03:33:25,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:25,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:25,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:33:25,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-29 03:33:25,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:25,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 54 states and 101 transitions. [2021-10-29 03:33:25,747 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2021-10-29 03:33:25,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-29 03:33:25,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:25,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:25,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:33:25,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:25,967 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-10-29 03:33:26,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:26,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 54 states and 100 transitions. [2021-10-29 03:33:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2021-10-29 03:33:26,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-10-29 03:33:26,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:26,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:26,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-29 03:33:26,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:26,721 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:33:27,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:27,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 57 states and 106 transitions. [2021-10-29 03:33:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 106 transitions. [2021-10-29 03:33:27,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-10-29 03:33:27,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:27,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:27,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:33:27,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:28,018 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:33:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:28,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 60 states and 112 transitions. [2021-10-29 03:33:28,571 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2021-10-29 03:33:28,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-10-29 03:33:28,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:28,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:28,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:33:28,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 03:33:29,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:29,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 61 states and 115 transitions. [2021-10-29 03:33:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 115 transitions. [2021-10-29 03:33:29,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-29 03:33:29,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:29,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:30,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 03:33:30,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:30,513 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 03:33:31,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:31,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 65 states and 122 transitions. [2021-10-29 03:33:31,194 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2021-10-29 03:33:31,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:33:31,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:31,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:31,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-29 03:33:31,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 03:33:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 67 states and 127 transitions. [2021-10-29 03:33:32,123 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2021-10-29 03:33:32,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-29 03:33:32,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:32,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:32,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 03:33:32,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 26 proven. 17 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 03:33:33,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:33,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 68 states and 129 transitions. [2021-10-29 03:33:33,231 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2021-10-29 03:33:33,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:33:33,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:33,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:33,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:33:33,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:33,670 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-10-29 03:33:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:34,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 70 states and 132 transitions. [2021-10-29 03:33:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2021-10-29 03:33:34,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-29 03:33:34,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:34,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:34,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:33:34,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:35,304 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 03:33:35,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:35,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 71 states and 135 transitions. [2021-10-29 03:33:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 135 transitions. [2021-10-29 03:33:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:33:35,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:35,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:35,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:33:35,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:36,549 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-10-29 03:33:45,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:45,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 73 states and 138 transitions. [2021-10-29 03:33:45,207 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2021-10-29 03:33:45,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-29 03:33:45,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:45,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:45,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:33:45,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-10-29 03:33:45,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:45,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 73 states and 137 transitions. [2021-10-29 03:33:45,711 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2021-10-29 03:33:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 03:33:45,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:45,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:45,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-29 03:33:45,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:46,632 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 21 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 03:33:48,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:48,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 76 states and 143 transitions. [2021-10-29 03:33:48,313 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2021-10-29 03:33:48,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-29 03:33:48,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:48,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:48,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-29 03:33:48,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 32 proven. 30 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 03:33:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 79 states and 149 transitions. [2021-10-29 03:33:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 149 transitions. [2021-10-29 03:33:49,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-29 03:33:49,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:49,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:50,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:33:50,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 03:33:51,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:51,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 80 states and 152 transitions. [2021-10-29 03:33:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 152 transitions. [2021-10-29 03:33:51,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-29 03:33:51,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:51,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:51,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-29 03:33:51,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 03:33:53,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 84 states and 159 transitions. [2021-10-29 03:33:53,239 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 159 transitions. [2021-10-29 03:33:53,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 03:33:53,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:53,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:53,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:33:53,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-10-29 03:33:54,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:54,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 86 states and 163 transitions. [2021-10-29 03:33:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2021-10-29 03:33:54,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-29 03:33:54,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:54,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:55,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:33:55,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:55,605 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-10-29 03:33:56,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:56,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 87 states and 165 transitions. [2021-10-29 03:33:56,385 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 165 transitions. [2021-10-29 03:33:56,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-29 03:33:56,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:56,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:56,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:33:56,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 38 proven. 39 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-10-29 03:33:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:57,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 88 states and 168 transitions. [2021-10-29 03:33:57,494 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 168 transitions. [2021-10-29 03:33:57,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-29 03:33:57,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:57,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:57,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:33:57,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:57,822 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2021-10-29 03:33:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 88 states and 167 transitions. [2021-10-29 03:33:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 167 transitions. [2021-10-29 03:33:58,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-29 03:33:58,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:58,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:58,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:33:58,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:33:59,108 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 03:34:01,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:34:01,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 91 states and 173 transitions. [2021-10-29 03:34:01,108 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 173 transitions. [2021-10-29 03:34:01,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-29 03:34:01,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:34:01,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:34:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:34:01,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-29 03:34:01,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:34:01,975 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2021-10-29 03:34:03,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:34:03,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 57 states and 97 transitions. [2021-10-29 03:34:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2021-10-29 03:34:03,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-29 03:34:03,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:34:03,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:34:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:34:03,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:34:03,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:34:04,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 44 proven. 42 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 03:34:06,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:34:06,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 56 states and 93 transitions. [2021-10-29 03:34:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2021-10-29 03:34:06,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-10-29 03:34:06,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:34:06,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:34:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:34:06,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 03:34:06,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:34:06,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 46 proven. 42 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-10-29 03:34:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:34:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 49 states and 83 transitions. [2021-10-29 03:34:08,821 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2021-10-29 03:34:08,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:34:08,822 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2021-10-29 03:34:08,829 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:34:09,937 INFO L565 CodeCheckObserver]: Invariant with dag size 44 [2021-10-29 03:34:09,949 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:34:09,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:34:09 ImpRootNode [2021-10-29 03:34:09,950 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:34:09,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:34:09,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:34:09,951 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:34:09,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:33:19" (3/4) ... [2021-10-29 03:34:09,955 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:34:09,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 03:34:09,965 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-29 03:34:09,965 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 03:34:09,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:34:09,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:34:10,006 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:34:10,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:34:10,009 INFO L168 Benchmark]: Toolchain (without parser) took 51458.21 ms. Allocated memory was 102.8 MB in the beginning and 360.7 MB in the end (delta: 257.9 MB). Free memory was 74.7 MB in the beginning and 216.5 MB in the end (delta: -141.8 MB). Peak memory consumption was 115.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:34:10,009 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 102.8 MB. Free memory was 57.3 MB in the beginning and 57.3 MB in the end (delta: 62.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:34:10,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.24 ms. Allocated memory is still 102.8 MB. Free memory was 74.5 MB in the beginning and 77.3 MB in the end (delta: -2.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:34:10,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.72 ms. Allocated memory is still 102.8 MB. Free memory was 77.1 MB in the beginning and 75.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:34:10,011 INFO L168 Benchmark]: Boogie Preprocessor took 23.05 ms. Allocated memory is still 102.8 MB. Free memory was 75.8 MB in the beginning and 74.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:34:10,012 INFO L168 Benchmark]: RCFGBuilder took 469.72 ms. Allocated memory is still 102.8 MB. Free memory was 74.5 MB in the beginning and 62.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:34:10,013 INFO L168 Benchmark]: CodeCheck took 50589.63 ms. Allocated memory was 102.8 MB in the beginning and 360.7 MB in the end (delta: 257.9 MB). Free memory was 62.4 MB in the beginning and 219.7 MB in the end (delta: -157.3 MB). Peak memory consumption was 192.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:34:10,013 INFO L168 Benchmark]: Witness Printer took 56.35 ms. Allocated memory is still 360.7 MB. Free memory was 219.7 MB in the beginning and 216.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:34:10,017 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 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 49.4s, OverallIterations: 35, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: -1073741824 SDtfs, -651145596 SDslu, -1314887520 SDs, 0 SdLazy, 1876412432 SolverSat, 175586008 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 146.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19106 GetRequests, 18262 SyntacticMatches, 492 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77195 ImplicationChecksByTransitivity, 24.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 15.3s InterpolantComputationTime, 2423 NumberOfCodeBlocks, 2423 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2389 ConstructedInterpolants, 0 QuantifiedInterpolants, 8932 SizeOfPredicates, 54 NumberOfNonLiveVariables, 6175 ConjunctsInSsa, 561 ConjunctsInUnsatCore, 34 InterpolantComputations, 7 PerfectInterpolantSequences, 13104/13618 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: 17]: 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: 33]: Loop Invariant Derived loop invariant: ((((!(z == 6 * n + 6) || (!(6 * n == x + 4) && 19 == y)) || (!(x == 27) && n == 3)) || ((!(y == 37 && n == 3) && !(n == 2 && 19 == y)) && !(y == 6 * n + 1 && n == 1))) || (!(x == 1) && n == 1)) || n <= a + 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 102.8 MB. Free memory was 57.3 MB in the beginning and 57.3 MB in the end (delta: 62.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 280.24 ms. Allocated memory is still 102.8 MB. Free memory was 74.5 MB in the beginning and 77.3 MB in the end (delta: -2.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.72 ms. Allocated memory is still 102.8 MB. Free memory was 77.1 MB in the beginning and 75.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.05 ms. Allocated memory is still 102.8 MB. Free memory was 75.8 MB in the beginning and 74.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 469.72 ms. Allocated memory is still 102.8 MB. Free memory was 74.5 MB in the beginning and 62.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 50589.63 ms. Allocated memory was 102.8 MB in the beginning and 360.7 MB in the end (delta: 257.9 MB). Free memory was 62.4 MB in the beginning and 219.7 MB in the end (delta: -157.3 MB). Peak memory consumption was 192.9 MB. Max. memory is 16.1 GB. * Witness Printer took 56.35 ms. Allocated memory is still 360.7 MB. Free memory was 219.7 MB in the beginning and 216.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:34:10,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d5d75b-e232-47e0-9cfc-a9f6bd3532a9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...