./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label00.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_88b51923-3057-4ef4-8ac1-58653bbb986e/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/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_88b51923-3057-4ef4-8ac1-58653bbb986e/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/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_88b51923-3057-4ef4-8ac1-58653bbb986e/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 ef0fc431edab04e2bc46b00be67c275761704e057ac7d10029420dfecba76e3a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:22:42,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:22:42,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:22:42,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:22:42,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:22:42,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:22:42,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:22:42,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:22:42,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:22:42,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:22:42,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:22:42,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:22:42,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:22:42,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:22:42,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:22:42,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:22:42,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:22:42,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:22:42,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:22:42,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:22:42,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:22:42,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:22:42,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:22:42,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:22:42,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:22:42,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:22:42,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:22:42,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:22:42,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:22:42,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:22:42,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:22:42,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:22:42,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:22:42,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:22:42,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:22:42,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:22:42,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:22:42,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:22:42,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:22:42,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:22:42,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:22:42,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:22:42,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:22:42,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:22:42,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:22:42,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:22:42,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:22:42,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:22:42,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:22:42,547 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:22:42,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:22:42,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:22:42,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:22:42,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:22:42,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:22:42,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:22:42,558 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:22:42,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:22:42,559 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:22:42,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:22:42,560 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:22:42,560 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:22:42,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:22:42,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:22:42,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:22:42,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:22:42,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:22:42,562 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:22:42,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:22:42,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:22:42,563 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_88b51923-3057-4ef4-8ac1-58653bbb986e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef0fc431edab04e2bc46b00be67c275761704e057ac7d10029420dfecba76e3a [2021-10-29 03:22:42,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:22:42,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:22:42,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:22:42,909 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:22:42,911 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:22:42,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem01_label00.c [2021-10-29 03:22:43,021 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/bin/ukojak-Rh5K9KB4LI/data/ac1fc2e13/abc9a5f098db4d19ab133dc6242b0c77/FLAGef72d1a5b [2021-10-29 03:22:43,832 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:22:43,833 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/sv-benchmarks/c/eca-rers2012/Problem01_label00.c [2021-10-29 03:22:43,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/bin/ukojak-Rh5K9KB4LI/data/ac1fc2e13/abc9a5f098db4d19ab133dc6242b0c77/FLAGef72d1a5b [2021-10-29 03:22:43,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/bin/ukojak-Rh5K9KB4LI/data/ac1fc2e13/abc9a5f098db4d19ab133dc6242b0c77 [2021-10-29 03:22:43,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:22:43,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:22:43,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:22:43,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:22:43,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:22:44,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:22:43" (1/1) ... [2021-10-29 03:22:44,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251674df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:44, skipping insertion in model container [2021-10-29 03:22:44,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:22:43" (1/1) ... [2021-10-29 03:22:44,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:22:44,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:22:44,541 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_88b51923-3057-4ef4-8ac1-58653bbb986e/sv-benchmarks/c/eca-rers2012/Problem01_label00.c[18976,18989] [2021-10-29 03:22:44,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:22:44,594 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:22:44,786 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_88b51923-3057-4ef4-8ac1-58653bbb986e/sv-benchmarks/c/eca-rers2012/Problem01_label00.c[18976,18989] [2021-10-29 03:22:44,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:22:44,821 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:22:44,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:44 WrapperNode [2021-10-29 03:22:44,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:22:44,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:22:44,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:22:44,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:22:44,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:44" (1/1) ... [2021-10-29 03:22:44,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:44" (1/1) ... [2021-10-29 03:22:44,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:22:44,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:22:44,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:22:44,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:22:44,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:44" (1/1) ... [2021-10-29 03:22:44,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:44" (1/1) ... [2021-10-29 03:22:44,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:44" (1/1) ... [2021-10-29 03:22:44,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:44" (1/1) ... [2021-10-29 03:22:44,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:44" (1/1) ... [2021-10-29 03:22:45,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:44" (1/1) ... [2021-10-29 03:22:45,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:44" (1/1) ... [2021-10-29 03:22:45,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:22:45,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:22:45,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:22:45,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:22:45,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:44" (1/1) ... [2021-10-29 03:22:45,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:22:45,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:22:45,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:22:45,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:22:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:22:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:22:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:22:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:22:47,393 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:22:47,393 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:22:47,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:22:47 BoogieIcfgContainer [2021-10-29 03:22:47,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:22:47,397 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:22:47,397 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:22:47,408 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:22:47,408 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:22:47" (1/1) ... [2021-10-29 03:22:47,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:22:47,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:47,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2021-10-29 03:22:47,481 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2021-10-29 03:22:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-10-29 03:22:47,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:47,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:48,141 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 03:22:48,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:48,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2021-10-29 03:22:48,871 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2021-10-29 03:22:48,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-29 03:22:48,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:48,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:49,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 214 states and 297 transitions. [2021-10-29 03:22:50,024 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 297 transitions. [2021-10-29 03:22:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-10-29 03:22:50,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:50,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:50,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:51,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 283 states and 367 transitions. [2021-10-29 03:22:51,130 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 367 transitions. [2021-10-29 03:22:51,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-29 03:22:51,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:51,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:22:51,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:51,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 294 states and 380 transitions. [2021-10-29 03:22:51,601 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 380 transitions. [2021-10-29 03:22:51,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-29 03:22:51,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:51,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 03:22:52,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:52,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 303 states and 391 transitions. [2021-10-29 03:22:52,018 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 391 transitions. [2021-10-29 03:22:52,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-29 03:22:52,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:52,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:52,099 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 03:22:52,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:52,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 305 states and 394 transitions. [2021-10-29 03:22:52,311 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 394 transitions. [2021-10-29 03:22:52,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 03:22:52,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:52,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:52,398 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:22:52,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:52,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 316 states and 408 transitions. [2021-10-29 03:22:52,677 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 408 transitions. [2021-10-29 03:22:52,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-29 03:22:52,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:52,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:22:53,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:53,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 335 states and 429 transitions. [2021-10-29 03:22:53,121 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 429 transitions. [2021-10-29 03:22:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-29 03:22:53,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:53,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-29 03:22:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 350 states and 446 transitions. [2021-10-29 03:22:53,937 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 446 transitions. [2021-10-29 03:22:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 03:22:53,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:53,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:54,069 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:22:54,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:54,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 361 states and 459 transitions. [2021-10-29 03:22:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 459 transitions. [2021-10-29 03:22:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-29 03:22:54,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:54,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:22:54,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:54,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 372 states and 473 transitions. [2021-10-29 03:22:54,910 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 473 transitions. [2021-10-29 03:22:54,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-10-29 03:22:54,914 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:54,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:55,061 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:56,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:56,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 420 states and 527 transitions. [2021-10-29 03:22:56,110 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 527 transitions. [2021-10-29 03:22:56,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-29 03:22:56,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:56,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:22:56,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:56,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 439 states and 546 transitions. [2021-10-29 03:22:56,771 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 546 transitions. [2021-10-29 03:22:56,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-10-29 03:22:56,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:56,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:56,876 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-29 03:22:57,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:57,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 456 states and 564 transitions. [2021-10-29 03:22:57,491 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 564 transitions. [2021-10-29 03:22:57,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-10-29 03:22:57,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:57,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:58,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:58,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 475 states and 586 transitions. [2021-10-29 03:22:58,254 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 586 transitions. [2021-10-29 03:22:58,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-10-29 03:22:58,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:58,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:58,366 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:58,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:58,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 477 states and 587 transitions. [2021-10-29 03:22:58,594 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 587 transitions. [2021-10-29 03:22:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-10-29 03:22:58,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:58,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:58,651 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-29 03:22:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:58,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 492 states and 605 transitions. [2021-10-29 03:22:58,987 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 605 transitions. [2021-10-29 03:22:58,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-10-29 03:22:58,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:58,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:22:59,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:59,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 493 states and 605 transitions. [2021-10-29 03:22:59,228 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 605 transitions. [2021-10-29 03:22:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-29 03:22:59,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:59,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:23:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:00,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 532 states and 648 transitions. [2021-10-29 03:23:00,179 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 648 transitions. [2021-10-29 03:23:00,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-10-29 03:23:00,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:00,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:00,362 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:02,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 608 states and 739 transitions. [2021-10-29 03:23:02,930 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 739 transitions. [2021-10-29 03:23:02,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-10-29 03:23:02,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:02,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:03,180 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 80 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:03,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:03,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 617 states and 753 transitions. [2021-10-29 03:23:03,917 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 753 transitions. [2021-10-29 03:23:03,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-10-29 03:23:03,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:03,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:04,032 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-29 03:23:04,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:04,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 619 states and 754 transitions. [2021-10-29 03:23:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 754 transitions. [2021-10-29 03:23:04,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-10-29 03:23:04,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:04,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:04,349 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-29 03:23:04,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:04,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 621 states and 755 transitions. [2021-10-29 03:23:04,669 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 755 transitions. [2021-10-29 03:23:04,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-10-29 03:23:04,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:04,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 03:23:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:05,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 646 states and 779 transitions. [2021-10-29 03:23:05,312 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 779 transitions. [2021-10-29 03:23:05,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-10-29 03:23:05,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:05,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-29 03:23:06,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:06,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 665 states and 798 transitions. [2021-10-29 03:23:06,334 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 798 transitions. [2021-10-29 03:23:06,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-10-29 03:23:06,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:06,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:06,453 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-10-29 03:23:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:06,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 666 states and 799 transitions. [2021-10-29 03:23:06,626 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 799 transitions. [2021-10-29 03:23:06,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-10-29 03:23:06,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:06,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-10-29 03:23:06,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:06,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 669 states and 802 transitions. [2021-10-29 03:23:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 802 transitions. [2021-10-29 03:23:06,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-10-29 03:23:06,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:06,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:07,014 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 03:23:08,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:08,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 737 states and 876 transitions. [2021-10-29 03:23:08,071 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 876 transitions. [2021-10-29 03:23:08,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-10-29 03:23:08,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:08,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 03:23:08,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 738 states and 876 transitions. [2021-10-29 03:23:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 876 transitions. [2021-10-29 03:23:08,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-10-29 03:23:08,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:08,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:08,690 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-10-29 03:23:10,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:10,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 828 states and 981 transitions. [2021-10-29 03:23:10,560 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 981 transitions. [2021-10-29 03:23:10,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-10-29 03:23:10,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:10,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:11,035 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:13,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:13,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 911 states and 1083 transitions. [2021-10-29 03:23:13,823 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1083 transitions. [2021-10-29 03:23:13,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-10-29 03:23:13,826 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:13,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:13,933 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:14,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:14,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 926 states and 1098 transitions. [2021-10-29 03:23:14,381 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1098 transitions. [2021-10-29 03:23:14,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-10-29 03:23:14,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:14,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:14,470 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 03:23:14,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:14,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 950 states and 1125 transitions. [2021-10-29 03:23:14,862 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1125 transitions. [2021-10-29 03:23:14,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-10-29 03:23:14,866 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:14,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:15,049 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 124 proven. 67 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 03:23:17,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:17,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1067 states and 1262 transitions. [2021-10-29 03:23:17,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1262 transitions. [2021-10-29 03:23:17,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-29 03:23:17,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:17,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-29 03:23:18,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:18,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1114 states and 1316 transitions. [2021-10-29 03:23:18,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1316 transitions. [2021-10-29 03:23:18,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-29 03:23:18,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:18,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:19,052 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-29 03:23:19,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:19,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1131 states and 1332 transitions. [2021-10-29 03:23:19,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1332 transitions. [2021-10-29 03:23:19,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-10-29 03:23:19,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:19,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 197 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:20,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:20,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1190 states and 1398 transitions. [2021-10-29 03:23:20,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1398 transitions. [2021-10-29 03:23:20,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-10-29 03:23:20,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:20,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:20,984 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 197 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:21,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:21,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1207 states and 1415 transitions. [2021-10-29 03:23:21,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1415 transitions. [2021-10-29 03:23:21,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-10-29 03:23:21,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:21,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 204 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:22,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:22,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1221 states and 1433 transitions. [2021-10-29 03:23:22,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1433 transitions. [2021-10-29 03:23:22,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-10-29 03:23:22,900 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:22,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 204 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:23,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:23,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1240 states and 1452 transitions. [2021-10-29 03:23:23,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1452 transitions. [2021-10-29 03:23:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-10-29 03:23:23,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:23,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:24,089 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:25,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1282 states and 1497 transitions. [2021-10-29 03:23:25,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1497 transitions. [2021-10-29 03:23:25,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-10-29 03:23:25,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:25,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:25,423 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:25,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:25,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1284 states and 1500 transitions. [2021-10-29 03:23:25,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1500 transitions. [2021-10-29 03:23:25,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-10-29 03:23:25,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:25,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 175 proven. 83 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 03:23:29,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1436 states and 1668 transitions. [2021-10-29 03:23:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1668 transitions. [2021-10-29 03:23:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-10-29 03:23:29,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:29,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:29,191 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-29 03:23:29,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1438 states and 1669 transitions. [2021-10-29 03:23:29,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1669 transitions. [2021-10-29 03:23:29,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-10-29 03:23:29,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:29,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-29 03:23:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:30,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1440 states and 1670 transitions. [2021-10-29 03:23:30,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1670 transitions. [2021-10-29 03:23:30,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-10-29 03:23:30,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:30,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:30,686 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 143 proven. 86 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-29 03:23:32,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:32,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1535 states and 1774 transitions. [2021-10-29 03:23:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1774 transitions. [2021-10-29 03:23:32,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-29 03:23:32,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:32,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:33,376 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 185 proven. 88 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 03:23:34,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:34,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1609 states and 1850 transitions. [2021-10-29 03:23:34,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 1850 transitions. [2021-10-29 03:23:34,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-10-29 03:23:34,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:34,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:35,032 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 196 proven. 46 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-29 03:23:35,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:35,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1611 states and 1851 transitions. [2021-10-29 03:23:35,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 1851 transitions. [2021-10-29 03:23:35,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-10-29 03:23:35,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:35,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:35,665 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-10-29 03:23:36,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:36,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1652 states and 1899 transitions. [2021-10-29 03:23:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1899 transitions. [2021-10-29 03:23:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-10-29 03:23:36,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:36,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:36,897 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:23:39,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:39,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1753 states and 2017 transitions. [2021-10-29 03:23:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2017 transitions. [2021-10-29 03:23:39,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-10-29 03:23:39,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:39,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:39,878 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:23:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 1770 states and 2035 transitions. [2021-10-29 03:23:40,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2035 transitions. [2021-10-29 03:23:40,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-10-29 03:23:40,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:40,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:23:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 1787 states and 2054 transitions. [2021-10-29 03:23:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2054 transitions. [2021-10-29 03:23:41,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-10-29 03:23:41,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:41,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:41,861 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:23:42,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:42,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 1802 states and 2068 transitions. [2021-10-29 03:23:42,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2068 transitions. [2021-10-29 03:23:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-10-29 03:23:42,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:42,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:42,720 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 182 proven. 101 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-29 03:23:43,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:43,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 1811 states and 2077 transitions. [2021-10-29 03:23:43,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2077 transitions. [2021-10-29 03:23:43,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-10-29 03:23:43,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:43,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-10-29 03:23:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 1825 states and 2094 transitions. [2021-10-29 03:23:43,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2094 transitions. [2021-10-29 03:23:43,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-29 03:23:43,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:43,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 253 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:46,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1918 states and 2195 transitions. [2021-10-29 03:23:46,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2195 transitions. [2021-10-29 03:23:46,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-29 03:23:46,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:46,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:46,504 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 253 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:46,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:46,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1919 states and 2195 transitions. [2021-10-29 03:23:46,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2195 transitions. [2021-10-29 03:23:46,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-10-29 03:23:46,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:46,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:47,044 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-10-29 03:23:48,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:48,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1972 states and 2250 transitions. [2021-10-29 03:23:48,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2250 transitions. [2021-10-29 03:23:48,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-10-29 03:23:48,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:48,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:48,480 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-10-29 03:23:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:48,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 1974 states and 2251 transitions. [2021-10-29 03:23:48,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2251 transitions. [2021-10-29 03:23:48,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-10-29 03:23:48,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:48,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:48,721 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-10-29 03:23:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:49,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 1985 states and 2262 transitions. [2021-10-29 03:23:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2262 transitions. [2021-10-29 03:23:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-10-29 03:23:49,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:49,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:49,582 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 189 proven. 108 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-29 03:23:49,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:49,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 1992 states and 2269 transitions. [2021-10-29 03:23:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2269 transitions. [2021-10-29 03:23:49,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-10-29 03:23:49,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:49,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:50,123 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 191 proven. 146 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:23:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:53,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2046 states and 2330 transitions. [2021-10-29 03:23:53,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2330 transitions. [2021-10-29 03:23:53,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-10-29 03:23:53,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:53,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:53,302 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 192 proven. 111 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-29 03:23:53,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:53,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2049 states and 2334 transitions. [2021-10-29 03:23:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2334 transitions. [2021-10-29 03:23:53,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-10-29 03:23:53,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:53,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:53,727 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 182 proven. 103 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-29 03:23:56,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2176 states and 2476 transitions. [2021-10-29 03:23:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 2476 transitions. [2021-10-29 03:23:56,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-10-29 03:23:56,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:56,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:57,301 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 342 proven. 110 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 03:23:59,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2237 states and 2545 transitions. [2021-10-29 03:23:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2237 states and 2545 transitions. [2021-10-29 03:23:59,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-10-29 03:23:59,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:59,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:59,616 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 342 proven. 110 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 03:23:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:59,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2242 states and 2551 transitions. [2021-10-29 03:23:59,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2551 transitions. [2021-10-29 03:23:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-10-29 03:23:59,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:59,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:00,030 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 202 proven. 114 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-10-29 03:24:00,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2243 states and 2551 transitions. [2021-10-29 03:24:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 2551 transitions. [2021-10-29 03:24:00,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-10-29 03:24:00,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:00,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 334 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-29 03:24:03,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:03,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2295 states and 2599 transitions. [2021-10-29 03:24:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2599 transitions. [2021-10-29 03:24:03,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:24:03,067 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 69 iterations. [2021-10-29 03:24:03,074 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:24:16,363 INFO L565 CodeCheckObserver]: Invariant with dag size 35 [2021-10-29 03:24:16,392 INFO L565 CodeCheckObserver]: Invariant with dag size 34 [2021-10-29 03:24:16,394 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:24:16,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:24:16 ImpRootNode [2021-10-29 03:24:16,395 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:24:16,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:24:16,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:24:16,396 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:24:16,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:22:47" (3/4) ... [2021-10-29 03:24:16,400 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:24:16,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 108 nodes and edges [2021-10-29 03:24:16,423 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 03:24:16,424 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 03:24:16,426 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:24:16,601 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:24:16,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:24:16,604 INFO L168 Benchmark]: Toolchain (without parser) took 92612.00 ms. Allocated memory was 98.6 MB in the beginning and 824.2 MB in the end (delta: 725.6 MB). Free memory was 63.4 MB in the beginning and 419.4 MB in the end (delta: -356.0 MB). Peak memory consumption was 370.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:24:16,605 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 98.6 MB. Free memory is still 51.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:24:16,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.15 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 63.1 MB in the beginning and 78.6 MB in the end (delta: -15.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:24:16,607 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.06 ms. Allocated memory is still 119.5 MB. Free memory was 78.6 MB in the beginning and 72.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:24:16,608 INFO L168 Benchmark]: Boogie Preprocessor took 92.48 ms. Allocated memory is still 119.5 MB. Free memory was 72.9 MB in the beginning and 68.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:24:16,608 INFO L168 Benchmark]: RCFGBuilder took 2369.34 ms. Allocated memory is still 119.5 MB. Free memory was 68.8 MB in the beginning and 59.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 45.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:24:16,609 INFO L168 Benchmark]: CodeCheck took 88998.32 ms. Allocated memory was 119.5 MB in the beginning and 824.2 MB in the end (delta: 704.6 MB). Free memory was 59.2 MB in the beginning and 434.0 MB in the end (delta: -374.9 MB). Peak memory consumption was 485.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:24:16,609 INFO L168 Benchmark]: Witness Printer took 206.00 ms. Allocated memory is still 824.2 MB. Free memory was 434.0 MB in the beginning and 419.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:24:16,612 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: 75.6s, OverallIterations: 69, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: -911174520 SDtfs, -1013365464 SDslu, -1092388014 SDs, 0 SdLazy, 841273666 SolverSat, -2074559376 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 363.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87667 GetRequests, 83409 SyntacticMatches, 3662 SemanticMatches, 596 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243079 ImplicationChecksByTransitivity, 51.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.7s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 12782 NumberOfCodeBlocks, 12782 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 12714 ConstructedInterpolants, 0 QuantifiedInterpolants, 79671 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 68 InterpolantComputations, 42 PerfectInterpolantSequences, 12173/14102 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: 510]: 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: 593]: Loop Invariant Derived loop invariant: ((((((!(a21 == 1) || ((((!(a20 == 1) && a12 == 8) && !(a17 == 1)) && a8 == 15) && a16 == 4)) || ((((a12 == 8 && 5 == a16) && a17 == 1) && a20 == 1) && a8 == 15)) || !(a7 == 1)) || (((a12 == 8 && 14 == a8) && 5 == a16) && !(a17 == 1))) || ((((a12 == 8 && a8 == 13) && a17 == 1) && a20 == 1) && a16 == 4)) || ((((!(a20 == 1) && a12 == 8) && 5 == a16) && !(a17 == 1)) && a8 == 15)) || ((((!(a20 == 1) && a12 == 8) && 14 == a8) && !(a17 == 1)) && a16 == 4) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((!(a21 == 1) || ((((!(a20 == 1) && a12 == 8) && !(a17 == 1)) && a8 == 15) && a16 == 4)) || !(a7 == 1)) || (((a12 == 8 && 14 == a8) && 5 == a16) && !(a17 == 1))) || ((((a12 == 8 && a8 == 13) && a17 == 1) && a20 == 1) && a16 == 4)) || ((((!(a20 == 1) && a12 == 8) && 5 == a16) && !(a17 == 1)) && a8 == 15)) || ((((!(a20 == 1) && a12 == 8) && 14 == a8) && !(a17 == 1)) && a16 == 4) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 98.6 MB. Free memory is still 51.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 828.15 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 63.1 MB in the beginning and 78.6 MB in the end (delta: -15.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.06 ms. Allocated memory is still 119.5 MB. Free memory was 78.6 MB in the beginning and 72.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.48 ms. Allocated memory is still 119.5 MB. Free memory was 72.9 MB in the beginning and 68.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2369.34 ms. Allocated memory is still 119.5 MB. Free memory was 68.8 MB in the beginning and 59.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 45.2 MB. Max. memory is 16.1 GB. * CodeCheck took 88998.32 ms. Allocated memory was 119.5 MB in the beginning and 824.2 MB in the end (delta: 704.6 MB). Free memory was 59.2 MB in the beginning and 434.0 MB in the end (delta: -374.9 MB). Peak memory consumption was 485.7 MB. Max. memory is 16.1 GB. * Witness Printer took 206.00 ms. Allocated memory is still 824.2 MB. Free memory was 434.0 MB in the beginning and 419.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:24:16,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b51923-3057-4ef4-8ac1-58653bbb986e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...