./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e --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 5a6204b8fe11d129da43c7784d578168196f39a9dd912e242b1920607a0dfe2c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:18:32,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:18:32,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:18:32,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:18:32,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:18:32,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:18:32,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:18:32,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:18:32,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:18:32,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:18:32,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:18:32,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:18:32,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:18:32,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:18:32,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:18:32,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:18:32,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:18:32,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:18:32,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:18:32,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:18:32,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:18:32,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:18:32,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:18:32,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:18:32,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:18:32,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:18:32,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:18:32,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:18:32,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:18:32,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:18:32,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:18:32,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:18:32,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:18:32,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:18:32,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:18:32,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:18:32,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:18:32,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:18:32,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:18:32,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:18:32,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:18:32,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:18:32,171 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:18:32,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:18:32,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:18:32,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:18:32,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:18:32,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:18:32,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:18:32,174 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:18:32,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:18:32,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:18:32,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:18:32,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:18:32,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:18:32,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:18:32,176 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:18:32,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:18:32,176 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:18:32,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:18:32,177 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:18:32,177 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:18:32,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:18:32,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:18:32,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:18:32,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:18:32,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:18:32,178 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:18:32,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:18:32,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:18:32,179 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_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a6204b8fe11d129da43c7784d578168196f39a9dd912e242b1920607a0dfe2c [2021-11-13 23:18:32,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:18:32,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:18:32,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:18:32,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:18:32,527 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:18:32,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-13 23:18:32,615 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e/data/a73e7de32/3d7084368d6d480aabeaca4cef9b7eaf/FLAG090ffacb6 [2021-11-13 23:18:33,135 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:18:33,136 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-13 23:18:33,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e/data/a73e7de32/3d7084368d6d480aabeaca4cef9b7eaf/FLAG090ffacb6 [2021-11-13 23:18:33,464 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e/data/a73e7de32/3d7084368d6d480aabeaca4cef9b7eaf [2021-11-13 23:18:33,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:18:33,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:18:33,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:18:33,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:18:33,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:18:33,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:33" (1/1) ... [2021-11-13 23:18:33,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fc5e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:33, skipping insertion in model container [2021-11-13 23:18:33,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:33" (1/1) ... [2021-11-13 23:18:33,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:18:33,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:18:33,755 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_3df541b4-5ead-407d-a527-5093e6bca1eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4938,4951] [2021-11-13 23:18:33,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:18:33,788 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:18:33,825 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_3df541b4-5ead-407d-a527-5093e6bca1eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4938,4951] [2021-11-13 23:18:33,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:18:33,857 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:18:33,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:33 WrapperNode [2021-11-13 23:18:33,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:18:33,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:18:33,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:18:33,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:18:33,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:33" (1/1) ... [2021-11-13 23:18:33,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:33" (1/1) ... [2021-11-13 23:18:33,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:18:33,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:18:33,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:18:33,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:18:33,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:33" (1/1) ... [2021-11-13 23:18:33,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:33" (1/1) ... [2021-11-13 23:18:33,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:33" (1/1) ... [2021-11-13 23:18:33,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:33" (1/1) ... [2021-11-13 23:18:33,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:33" (1/1) ... [2021-11-13 23:18:33,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:33" (1/1) ... [2021-11-13 23:18:33,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:33" (1/1) ... [2021-11-13 23:18:33,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:18:33,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:18:33,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:18:33,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:18:33,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:33" (1/1) ... [2021-11-13 23:18:33,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:18:33,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:18:34,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:18:34,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df541b4-5ead-407d-a527-5093e6bca1eb/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:18:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:18:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:18:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:18:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:18:34,756 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:18:34,756 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 23:18:34,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:34 BoogieIcfgContainer [2021-11-13 23:18:34,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:18:34,760 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:18:34,760 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:18:34,770 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:18:34,771 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:34" (1/1) ... [2021-11-13 23:18:34,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:18:34,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:34,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 60 states and 99 transitions. [2021-11-13 23:18:34,848 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 99 transitions. [2021-11-13 23:18:34,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 23:18:34,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:34,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:35,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 100 transitions. [2021-11-13 23:18:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2021-11-13 23:18:35,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:18:35,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:35,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:35,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:35,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 69 states and 111 transitions. [2021-11-13 23:18:35,469 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 111 transitions. [2021-11-13 23:18:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:18:35,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:35,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:35,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:35,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 70 states and 111 transitions. [2021-11-13 23:18:35,634 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 111 transitions. [2021-11-13 23:18:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:18:35,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:35,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:35,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:36,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:36,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 82 states and 131 transitions. [2021-11-13 23:18:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 131 transitions. [2021-11-13 23:18:36,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:18:36,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:36,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:36,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:36,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 83 states and 131 transitions. [2021-11-13 23:18:36,137 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 131 transitions. [2021-11-13 23:18:36,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:18:36,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:36,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:36,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:36,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 84 states and 131 transitions. [2021-11-13 23:18:36,227 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 131 transitions. [2021-11-13 23:18:36,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:18:36,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:36,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:36,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 101 states and 160 transitions. [2021-11-13 23:18:36,711 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 160 transitions. [2021-11-13 23:18:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:18:36,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:36,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:36,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:36,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:36,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 160 transitions. [2021-11-13 23:18:36,795 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2021-11-13 23:18:36,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:18:36,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:36,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:36,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 160 transitions. [2021-11-13 23:18:36,885 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2021-11-13 23:18:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:18:36,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:36,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:36,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:36,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:36,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 104 states and 160 transitions. [2021-11-13 23:18:36,929 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 160 transitions. [2021-11-13 23:18:36,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:18:36,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:36,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:37,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:38,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:38,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 126 states and 199 transitions. [2021-11-13 23:18:38,985 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 199 transitions. [2021-11-13 23:18:38,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:18:38,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:38,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:39,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:39,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:39,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 127 states and 199 transitions. [2021-11-13 23:18:39,062 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 199 transitions. [2021-11-13 23:18:39,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:18:39,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:39,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:39,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:39,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 128 states and 199 transitions. [2021-11-13 23:18:39,139 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 199 transitions. [2021-11-13 23:18:39,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:18:39,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:39,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:39,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:39,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 129 states and 199 transitions. [2021-11-13 23:18:39,215 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 199 transitions. [2021-11-13 23:18:39,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:18:39,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:39,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:39,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:39,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 130 states and 199 transitions. [2021-11-13 23:18:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 199 transitions. [2021-11-13 23:18:39,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:18:39,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:39,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:43,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:43,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 154 states and 240 transitions. [2021-11-13 23:18:43,010 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 240 transitions. [2021-11-13 23:18:43,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:18:43,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:43,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:47,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 177 states and 279 transitions. [2021-11-13 23:18:47,165 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 279 transitions. [2021-11-13 23:18:47,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:18:47,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:47,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:47,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:47,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:47,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 178 states and 282 transitions. [2021-11-13 23:18:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 282 transitions. [2021-11-13 23:18:47,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:18:47,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:47,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:47,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:47,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:47,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 179 states and 282 transitions. [2021-11-13 23:18:47,760 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 282 transitions. [2021-11-13 23:18:47,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:18:47,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:47,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:48,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:48,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 180 states and 285 transitions. [2021-11-13 23:18:48,268 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 285 transitions. [2021-11-13 23:18:48,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:18:48,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:48,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:48,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:48,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 181 states and 285 transitions. [2021-11-13 23:18:48,599 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 285 transitions. [2021-11-13 23:18:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:18:48,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:48,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:48,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:49,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:49,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 182 states and 288 transitions. [2021-11-13 23:18:49,004 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 288 transitions. [2021-11-13 23:18:49,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:18:49,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:49,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:49,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:49,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:49,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 183 states and 288 transitions. [2021-11-13 23:18:49,336 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 288 transitions. [2021-11-13 23:18:49,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:18:49,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:49,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:49,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:49,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 184 states and 288 transitions. [2021-11-13 23:18:49,464 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 288 transitions. [2021-11-13 23:18:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:18:49,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:49,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:49,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:49,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:49,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 185 states and 288 transitions. [2021-11-13 23:18:49,534 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 288 transitions. [2021-11-13 23:18:49,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:18:49,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:49,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:49,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:56,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 198 states and 309 transitions. [2021-11-13 23:18:56,133 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 309 transitions. [2021-11-13 23:18:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:18:56,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:56,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:19:04,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 216 states and 339 transitions. [2021-11-13 23:19:04,033 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 339 transitions. [2021-11-13 23:19:04,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:19:04,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:04,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:04,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:19:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:14,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 224 states and 351 transitions. [2021-11-13 23:19:14,253 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 351 transitions. [2021-11-13 23:19:14,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:19:14,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:14,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:19:16,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:16,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 228 states and 365 transitions. [2021-11-13 23:19:16,416 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 365 transitions. [2021-11-13 23:19:16,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 23:19:16,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:16,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:16,458 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:19:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:17,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 229 states and 368 transitions. [2021-11-13 23:19:17,352 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 368 transitions. [2021-11-13 23:19:17,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 23:19:17,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:17,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:17,388 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 23:19:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:17,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 230 states and 368 transitions. [2021-11-13 23:19:17,781 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 368 transitions. [2021-11-13 23:19:17,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 23:19:17,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:17,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:27,526 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:20:36,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:20:36,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 267 states and 466 transitions. [2021-11-13 23:20:36,457 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 466 transitions. [2021-11-13 23:20:36,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 23:20:36,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:20:36,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:20:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:20:37,200 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:21:18,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 270 states and 472 transitions. [2021-11-13 23:21:18,174 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 472 transitions. [2021-11-13 23:21:18,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:21:18,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:18,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:21:48,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 289 states and 508 transitions. [2021-11-13 23:21:48,385 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 508 transitions. [2021-11-13 23:21:48,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:21:48,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:48,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:48,886 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 23:22:12,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 303 states and 534 transitions. [2021-11-13 23:22:12,537 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 534 transitions. [2021-11-13 23:22:12,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:22:12,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:12,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:22:27,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:27,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 312 states and 549 transitions. [2021-11-13 23:22:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 549 transitions. [2021-11-13 23:22:27,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:22:27,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:27,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:22:36,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:36,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 316 states and 556 transitions. [2021-11-13 23:22:36,814 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 556 transitions. [2021-11-13 23:22:36,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 23:22:36,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:36,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:00,378 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 351 states and 652 transitions. [2021-11-13 23:25:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 652 transitions. [2021-11-13 23:25:53,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 23:25:53,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:53,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:53,779 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:26:08,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:08,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 364 states and 685 transitions. [2021-11-13 23:26:08,154 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 685 transitions. [2021-11-13 23:26:08,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:26:08,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:08,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:08,834 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:00,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 383 states and 723 transitions. [2021-11-13 23:27:00,866 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 723 transitions. [2021-11-13 23:27:00,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:27:00,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:00,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:01,521 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:49,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:49,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 406 states and 772 transitions. [2021-11-13 23:27:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 772 transitions. [2021-11-13 23:27:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:27:49,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:49,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:50,772 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:27:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 407 states and 773 transitions. [2021-11-13 23:27:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 773 transitions. [2021-11-13 23:27:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:27:54,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:54,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:54,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 427 states and 820 transitions. [2021-11-13 23:28:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 820 transitions. [2021-11-13 23:28:31,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:28:31,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:31,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:29:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 446 states and 854 transitions. [2021-11-13 23:29:12,522 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 854 transitions. [2021-11-13 23:29:12,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:29:12,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:12,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:13,329 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:29:41,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 462 states and 883 transitions. [2021-11-13 23:29:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 883 transitions. [2021-11-13 23:29:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 23:29:41,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:41,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:42,245 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:30:10,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:30:10,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 479 states and 921 transitions. [2021-11-13 23:30:10,556 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 921 transitions. [2021-11-13 23:30:10,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 23:30:10,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:30:10,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:30:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:30:11,514 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:30:33,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:30:33,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 492 states and 946 transitions. [2021-11-13 23:30:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 946 transitions. [2021-11-13 23:30:33,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:30:33,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:30:33,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:30:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:30:34,525 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:31:03,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:03,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 505 states and 991 transitions. [2021-11-13 23:31:03,026 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 991 transitions. [2021-11-13 23:31:03,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:31:03,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:03,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:03,072 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:31:08,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:08,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 510 states and 1000 transitions. [2021-11-13 23:31:08,790 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1000 transitions. [2021-11-13 23:31:08,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 23:31:08,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:08,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:08,833 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.