./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/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_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:26:45,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:26:45,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:26:45,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:26:45,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:26:45,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:26:45,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:26:45,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:26:45,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:26:45,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:26:45,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:26:45,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:26:45,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:26:45,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:26:45,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:26:45,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:26:45,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:26:45,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:26:45,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:26:45,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:26:45,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:26:45,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:26:45,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:26:45,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:26:45,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:26:45,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:26:45,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:26:45,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:26:45,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:26:45,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:26:45,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:26:45,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:26:45,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:26:45,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:26:45,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:26:45,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:26:45,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:26:45,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:26:45,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:26:45,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:26:45,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:26:45,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 23:26:45,197 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:26:45,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:26:45,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:26:45,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:26:45,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:26:45,200 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:26:45,200 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:26:45,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:26:45,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:26:45,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:26:45,201 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 23:26:45,201 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 23:26:45,201 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 23:26:45,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:26:45,202 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:26:45,202 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:26:45,202 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:26:45,203 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:26:45,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:26:45,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:26:45,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:26:45,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:26:45,204 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:26:45,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:26:45,204 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_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 [2021-11-13 23:26:45,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:26:45,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:26:45,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:26:45,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:26:45,530 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:26:45,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2021-11-13 23:26:45,616 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/bin/ukojak-2xVlg8857e/data/49b61147b/70a6b7788f7d436ca2df463b9d736b55/FLAGbace97874 [2021-11-13 23:26:46,113 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:26:46,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2021-11-13 23:26:46,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/bin/ukojak-2xVlg8857e/data/49b61147b/70a6b7788f7d436ca2df463b9d736b55/FLAGbace97874 [2021-11-13 23:26:46,433 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/bin/ukojak-2xVlg8857e/data/49b61147b/70a6b7788f7d436ca2df463b9d736b55 [2021-11-13 23:26:46,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:26:46,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:26:46,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:26:46,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:26:46,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:26:46,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:26:46" (1/1) ... [2021-11-13 23:26:46,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d34a195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:46, skipping insertion in model container [2021-11-13 23:26:46,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:26:46" (1/1) ... [2021-11-13 23:26:46,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:26:46,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:26:46,895 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_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i[24556,24569] [2021-11-13 23:26:46,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:26:46,910 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:26:46,963 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_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i[24556,24569] [2021-11-13 23:26:46,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:26:46,994 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:26:46,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:46 WrapperNode [2021-11-13 23:26:46,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:26:46,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:26:46,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:26:46,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:26:47,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:46" (1/1) ... [2021-11-13 23:26:47,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:46" (1/1) ... [2021-11-13 23:26:47,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:26:47,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:26:47,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:26:47,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:26:47,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:46" (1/1) ... [2021-11-13 23:26:47,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:46" (1/1) ... [2021-11-13 23:26:47,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:46" (1/1) ... [2021-11-13 23:26:47,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:46" (1/1) ... [2021-11-13 23:26:47,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:46" (1/1) ... [2021-11-13 23:26:47,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:46" (1/1) ... [2021-11-13 23:26:47,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:46" (1/1) ... [2021-11-13 23:26:47,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:26:47,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:26:47,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:26:47,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:26:47,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:46" (1/1) ... [2021-11-13 23:26:47,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:26:47,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:26:47,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:26:47,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0608f38c-0d45-48d4-afa4-6c7c4c1d66c8/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:26:47,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:26:47,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:26:47,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:26:47,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 23:26:47,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:26:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 23:26:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:26:47,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:26:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:26:47,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:26:47,704 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:26:47,704 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-13 23:26:47,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:47 BoogieIcfgContainer [2021-11-13 23:26:47,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:26:47,708 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:26:47,708 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:26:47,726 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:26:47,726 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:47" (1/1) ... [2021-11-13 23:26:47,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:26:47,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:47,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2021-11-13 23:26:47,793 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2021-11-13 23:26:47,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:26:47,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:47,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:47,946 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 23:26:47,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:47,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2021-11-13 23:26:47,982 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2021-11-13 23:26:47,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:26:47,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:47,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,042 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 23:26:48,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2021-11-13 23:26:48,224 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2021-11-13 23:26:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:26:48,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,300 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 23:26:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2021-11-13 23:26:48,330 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2021-11-13 23:26:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:26:48,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,397 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 23:26:48,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2021-11-13 23:26:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2021-11-13 23:26:48,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:26:48,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,457 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 23:26:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 76 states and 86 transitions. [2021-11-13 23:26:48,471 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2021-11-13 23:26:48,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:26:48,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,516 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 23:26:48,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 75 states and 85 transitions. [2021-11-13 23:26:48,541 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-11-13 23:26:48,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:26:48,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:48,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 87 transitions. [2021-11-13 23:26:48,794 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2021-11-13 23:26:48,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:26:48,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,857 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 23:26:48,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 75 states and 86 transitions. [2021-11-13 23:26:48,893 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2021-11-13 23:26:48,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:26:48,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,952 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 23:26:48,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:48,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 74 states and 85 transitions. [2021-11-13 23:26:48,972 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2021-11-13 23:26:48,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:26:48,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:48,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:48,997 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 23:26:49,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:49,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 73 states and 84 transitions. [2021-11-13 23:26:49,011 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2021-11-13 23:26:49,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:26:49,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:49,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:49,060 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 23:26:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:49,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 72 states and 83 transitions. [2021-11-13 23:26:49,112 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2021-11-13 23:26:49,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:26:49,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:49,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:49,140 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 23:26:49,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:49,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 71 states and 82 transitions. [2021-11-13 23:26:49,164 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2021-11-13 23:26:49,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:26:49,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:49,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:49,210 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 23:26:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:49,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 70 states and 81 transitions. [2021-11-13 23:26:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2021-11-13 23:26:49,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:26:49,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:49,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:49,264 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 23:26:49,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:49,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 69 states and 80 transitions. [2021-11-13 23:26:49,296 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2021-11-13 23:26:49,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:26:49,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:49,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:49,356 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 23:26:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:49,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2021-11-13 23:26:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2021-11-13 23:26:49,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:26:49,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:49,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:49,571 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 23:26:50,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:50,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2021-11-13 23:26:50,030 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2021-11-13 23:26:50,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:26:50,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:50,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:50,122 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 23:26:50,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:50,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2021-11-13 23:26:50,870 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2021-11-13 23:26:50,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:26:50,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:50,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:50,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 90 states and 112 transitions. [2021-11-13 23:26:52,117 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2021-11-13 23:26:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:26:52,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:52,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:52,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:53,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 101 states and 140 transitions. [2021-11-13 23:26:53,848 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 140 transitions. [2021-11-13 23:26:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:26:53,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:53,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:56,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:56,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 112 states and 171 transitions. [2021-11-13 23:26:56,507 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 171 transitions. [2021-11-13 23:26:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:26:56,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:56,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:56,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:57,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 116 states and 184 transitions. [2021-11-13 23:26:57,801 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2021-11-13 23:26:57,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:26:57,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:57,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:57,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:59,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 120 states and 194 transitions. [2021-11-13 23:26:59,423 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2021-11-13 23:26:59,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:26:59,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:59,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:59,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 123 states and 201 transitions. [2021-11-13 23:26:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 201 transitions. [2021-11-13 23:26:59,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:26:59,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:59,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:00,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:03,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:03,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 137 states and 236 transitions. [2021-11-13 23:27:03,958 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2021-11-13 23:27:03,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:27:03,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:03,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:03,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:03,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 138 states and 237 transitions. [2021-11-13 23:27:03,999 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 237 transitions. [2021-11-13 23:27:04,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:27:04,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:04,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:04,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:05,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:05,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 141 states and 246 transitions. [2021-11-13 23:27:05,500 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 246 transitions. [2021-11-13 23:27:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:27:05,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:05,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:06,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:06,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 144 states and 253 transitions. [2021-11-13 23:27:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 253 transitions. [2021-11-13 23:27:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:27:07,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:07,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:08,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 158 states and 286 transitions. [2021-11-13 23:27:15,640 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 286 transitions. [2021-11-13 23:27:15,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:27:15,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:15,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:17,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:26,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 167 states and 321 transitions. [2021-11-13 23:27:26,303 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 321 transitions. [2021-11-13 23:27:26,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:27:26,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:26,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:26,509 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:30,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:30,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 175 states and 336 transitions. [2021-11-13 23:27:30,609 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 336 transitions. [2021-11-13 23:27:30,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:27:30,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:30,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:30,635 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:31,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:31,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 119 transitions. [2021-11-13 23:27:31,670 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 119 transitions. [2021-11-13 23:27:31,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:27:31,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:31,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:31,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:27:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:35,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 86 states and 129 transitions. [2021-11-13 23:27:35,241 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 129 transitions. [2021-11-13 23:27:35,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:27:35,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:35,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:35,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:27:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:38,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 90 states and 135 transitions. [2021-11-13 23:27:38,154 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 135 transitions. [2021-11-13 23:27:38,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:27:38,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:38,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:38,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:27:38,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:38,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 93 states and 142 transitions. [2021-11-13 23:27:38,555 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 142 transitions. [2021-11-13 23:27:38,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:27:38,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:38,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:38,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:27:42,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:42,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 98 states and 151 transitions. [2021-11-13 23:27:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2021-11-13 23:27:42,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:27:42,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:42,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:43,190 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:27:46,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:46,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 157 transitions. [2021-11-13 23:27:46,852 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2021-11-13 23:27:46,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:27:46,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:46,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:47,185 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:27:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:48,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 105 states and 166 transitions. [2021-11-13 23:27:48,680 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 166 transitions. [2021-11-13 23:27:48,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:27:48,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:48,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:27:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:48,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 106 states and 167 transitions. [2021-11-13 23:27:48,725 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 167 transitions. [2021-11-13 23:27:48,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:27:48,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:48,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:27:51,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 71 states and 89 transitions. [2021-11-13 23:27:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2021-11-13 23:27:51,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:27:51,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:51,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:52,364 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:27:54,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 75 states and 99 transitions. [2021-11-13 23:27:54,349 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2021-11-13 23:27:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:27:54,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:54,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:54,580 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:27:55,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 76 states and 101 transitions. [2021-11-13 23:27:55,210 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2021-11-13 23:27:55,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:27:55,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:55,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:16,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:16,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 80 states and 109 transitions. [2021-11-13 23:28:16,796 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2021-11-13 23:28:16,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:28:16,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:16,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:19,165 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:30,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:30,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2021-11-13 23:28:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2021-11-13 23:28:30,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:28:30,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:30,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:59,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:59,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 89 states and 126 transitions. [2021-11-13 23:28:59,002 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2021-11-13 23:28:59,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:28:59,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:59,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:59,083 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:29:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:05,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 94 states and 135 transitions. [2021-11-13 23:29:05,115 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2021-11-13 23:29:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:29:05,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:05,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:29:11,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:11,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 99 states and 143 transitions. [2021-11-13 23:29:11,375 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2021-11-13 23:29:11,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:29:11,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:11,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:29:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 101 states and 146 transitions. [2021-11-13 23:29:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2021-11-13 23:29:12,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:29:12,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:12,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:29:20,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:20,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 107 states and 155 transitions. [2021-11-13 23:29:20,921 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2021-11-13 23:29:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:29:20,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:20,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:21,737 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:29:29,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:29,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 112 states and 168 transitions. [2021-11-13 23:29:29,573 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 168 transitions. [2021-11-13 23:29:29,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:29:29,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:29,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:33,499 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:29:52,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:52,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2021-11-13 23:29:52,982 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2021-11-13 23:29:52,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:29:52,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:52,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:53,472 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:29:55,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:55,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 60 states and 62 transitions. [2021-11-13 23:29:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2021-11-13 23:29:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:29:55,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:55,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:30:45,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:30:45,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2021-11-13 23:30:45,368 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2021-11-13 23:30:45,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:30:45,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:30:45,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:30:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:30:46,472 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:30:57,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:30:57,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2021-11-13 23:30:57,875 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2021-11-13 23:30:57,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:30:57,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:30:57,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:30:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:07,069 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:31:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:36,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2021-11-13 23:31:36,551 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2021-11-13 23:31:36,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:31:36,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:36,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:31:42,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:42,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 72 transitions. [2021-11-13 23:31:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2021-11-13 23:31:42,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:31:42,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:42,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:51,684 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:32:19,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:19,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2021-11-13 23:32:19,816 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2021-11-13 23:32:19,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:32:19,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:19,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:33:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2021-11-13 23:33:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2021-11-13 23:33:41,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:33:41,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:41,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:35:43,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:43,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 75 states and 90 transitions. [2021-11-13 23:35:43,319 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions. [2021-11-13 23:35:43,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:35:43,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:43,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:35:50,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 79 states and 95 transitions. [2021-11-13 23:35:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2021-11-13 23:35:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:35:50,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:50,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:50,422 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:35:54,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:54,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 78 states and 94 transitions. [2021-11-13 23:35:54,982 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2021-11-13 23:35:54,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 23:35:54,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:54,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:59,765 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:36:41,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 79 states and 95 transitions. [2021-11-13 23:36:41,630 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2021-11-13 23:36:41,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 23:36:41,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:41,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:36:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:50,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 83 states and 101 transitions. [2021-11-13 23:36:50,917 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2021-11-13 23:36:50,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 23:36:50,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:50,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:04,402 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.