./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_remove_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_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/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_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/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_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/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 4d5c55d9a4a2ded389ff7ce077afdc88fb2d2855921e5fd1e3b93fbba7e140e8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:12:21,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:12:21,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:12:21,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:12:21,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:12:21,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:12:21,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:12:21,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:12:21,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:12:21,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:12:21,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:12:21,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:12:21,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:12:22,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:12:22,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:12:22,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:12:22,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:12:22,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:12:22,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:12:22,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:12:22,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:12:22,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:12:22,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:12:22,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:12:22,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:12:22,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:12:22,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:12:22,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:12:22,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:12:22,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:12:22,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:12:22,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:12:22,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:12:22,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:12:22,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:12:22,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:12:22,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:12:22,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:12:22,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:12:22,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:12:22,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:12:22,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 23:12:22,107 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:12:22,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:12:22,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:12:22,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:12:22,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:12:22,112 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:12:22,113 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:12:22,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:12:22,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:12:22,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:12:22,115 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 23:12:22,115 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 23:12:22,115 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 23:12:22,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:12:22,116 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:12:22,116 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:12:22,116 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:12:22,116 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:12:22,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:12:22,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:12:22,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:12:22,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:12:22,118 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:12:22,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:12:22,118 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_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5c55d9a4a2ded389ff7ce077afdc88fb2d2855921e5fd1e3b93fbba7e140e8 [2021-11-13 23:12:22,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:12:22,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:12:22,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:12:22,529 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:12:22,530 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:12:22,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2021-11-13 23:12:22,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/bin/ukojak-2xVlg8857e/data/63afba986/db384f8c370e424ab222a2ac97bcd66c/FLAG56bbd5ac1 [2021-11-13 23:12:23,305 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:12:23,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2021-11-13 23:12:23,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/bin/ukojak-2xVlg8857e/data/63afba986/db384f8c370e424ab222a2ac97bcd66c/FLAG56bbd5ac1 [2021-11-13 23:12:23,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/bin/ukojak-2xVlg8857e/data/63afba986/db384f8c370e424ab222a2ac97bcd66c [2021-11-13 23:12:23,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:12:23,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:12:23,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:12:23,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:12:23,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:12:23,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:12:23" (1/1) ... [2021-11-13 23:12:23,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7816877f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:23, skipping insertion in model container [2021-11-13 23:12:23,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:12:23" (1/1) ... [2021-11-13 23:12:23,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:12:23,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:12:24,204 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_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i[24275,24288] [2021-11-13 23:12:24,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:12:24,232 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:12:24,314 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_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i[24275,24288] [2021-11-13 23:12:24,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:12:24,362 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:12:24,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:24 WrapperNode [2021-11-13 23:12:24,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:12:24,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:12:24,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:12:24,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:12:24,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:24" (1/1) ... [2021-11-13 23:12:24,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:24" (1/1) ... [2021-11-13 23:12:24,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:12:24,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:12:24,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:12:24,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:12:24,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:24" (1/1) ... [2021-11-13 23:12:24,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:24" (1/1) ... [2021-11-13 23:12:24,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:24" (1/1) ... [2021-11-13 23:12:24,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:24" (1/1) ... [2021-11-13 23:12:24,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:24" (1/1) ... [2021-11-13 23:12:24,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:24" (1/1) ... [2021-11-13 23:12:24,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:24" (1/1) ... [2021-11-13 23:12:24,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:12:24,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:12:24,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:12:24,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:12:24,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:24" (1/1) ... [2021-11-13 23:12:24,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:12:24,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:12:24,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:12:24,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b36fd10e-3839-4e4f-9a5e-72128c59b8c2/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:12:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:12:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:12:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 23:12:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:12:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 23:12:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:12:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 23:12:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:12:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:12:24,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:12:25,302 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:12:25,306 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 23:12:25,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:12:25 BoogieIcfgContainer [2021-11-13 23:12:25,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:12:25,311 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:12:25,311 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:12:25,322 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:12:25,323 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:12:25" (1/1) ... [2021-11-13 23:12:25,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:12:25,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:25,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2021-11-13 23:12:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2021-11-13 23:12:25,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:12:25,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:25,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:25,692 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 23:12:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:25,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2021-11-13 23:12:25,760 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2021-11-13 23:12:25,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:12:25,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:25,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:25,854 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 23:12:25,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2021-11-13 23:12:25,914 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-11-13 23:12:25,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:12:25,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:25,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:25,979 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 23:12:26,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:26,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2021-11-13 23:12:26,117 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2021-11-13 23:12:26,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:12:26,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:26,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:26,186 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 23:12:26,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:26,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2021-11-13 23:12:26,204 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2021-11-13 23:12:26,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:12:26,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:26,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:26,260 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 23:12:26,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2021-11-13 23:12:26,282 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-11-13 23:12:26,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:12:26,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:26,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:26,350 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 23:12:26,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2021-11-13 23:12:26,375 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-11-13 23:12:26,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:12:26,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:26,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:26,438 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 23:12:26,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:26,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2021-11-13 23:12:26,467 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2021-11-13 23:12:26,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:12:26,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:26,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:26,542 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 23:12:26,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:26,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 68 states and 78 transitions. [2021-11-13 23:12:26,858 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2021-11-13 23:12:26,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:12:26,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:26,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:26,971 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 23:12:27,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:27,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2021-11-13 23:12:27,329 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2021-11-13 23:12:27,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:12:27,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:27,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:12:28,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:28,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 83 states and 101 transitions. [2021-11-13 23:12:28,204 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2021-11-13 23:12:28,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:12:28,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:28,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:28,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:12:29,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:29,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 91 states and 118 transitions. [2021-11-13 23:12:29,499 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2021-11-13 23:12:29,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:12:29,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:29,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:12:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:30,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 93 states and 121 transitions. [2021-11-13 23:12:30,241 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2021-11-13 23:12:30,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:12:30,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:30,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:30,613 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:12:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 111 states and 159 transitions. [2021-11-13 23:12:33,354 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2021-11-13 23:12:33,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:12:33,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:33,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:34,105 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 23:12:38,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:38,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 129 states and 201 transitions. [2021-11-13 23:12:38,165 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 201 transitions. [2021-11-13 23:12:38,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:12:38,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:38,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:12:41,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:41,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 139 states and 223 transitions. [2021-11-13 23:12:41,391 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 223 transitions. [2021-11-13 23:12:41,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:12:41,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:41,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:41,748 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:12:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 144 states and 235 transitions. [2021-11-13 23:12:44,486 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2021-11-13 23:12:44,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:12:44,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:44,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:44,990 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:12:48,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:48,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 149 states and 247 transitions. [2021-11-13 23:12:48,744 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 247 transitions. [2021-11-13 23:12:48,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:12:48,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:48,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:48,777 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:12:49,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:49,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 151 states and 251 transitions. [2021-11-13 23:12:49,385 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 251 transitions. [2021-11-13 23:12:49,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:12:49,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:49,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:12:51,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 154 states and 257 transitions. [2021-11-13 23:12:51,490 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 257 transitions. [2021-11-13 23:12:51,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:12:51,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:51,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:51,522 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:12:51,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:51,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 155 states and 258 transitions. [2021-11-13 23:12:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 258 transitions. [2021-11-13 23:12:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:12:51,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:51,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:51,577 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:12:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 156 states and 259 transitions. [2021-11-13 23:12:51,595 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 259 transitions. [2021-11-13 23:12:51,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:12:51,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:51,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:51,937 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:12:53,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:53,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 159 states and 265 transitions. [2021-11-13 23:12:53,435 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 265 transitions. [2021-11-13 23:12:53,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:12:53,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:53,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:54,090 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:12:56,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:56,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 162 states and 272 transitions. [2021-11-13 23:12:56,461 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2021-11-13 23:12:56,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:12:56,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:56,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:56,872 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:01,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 91 states and 119 transitions. [2021-11-13 23:13:01,487 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2021-11-13 23:13:01,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:13:01,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:01,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:02,325 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:13:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:03,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2021-11-13 23:13:03,686 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2021-11-13 23:13:03,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:13:03,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:03,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:13:13,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:13,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 100 states and 137 transitions. [2021-11-13 23:13:13,113 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 137 transitions. [2021-11-13 23:13:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:13:13,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:13,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:14,452 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:13:18,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:18,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 104 states and 147 transitions. [2021-11-13 23:13:18,547 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 147 transitions. [2021-11-13 23:13:18,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:13:18,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:18,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:18,580 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:13:19,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 103 states and 146 transitions. [2021-11-13 23:13:19,361 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 146 transitions. [2021-11-13 23:13:19,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:13:19,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:19,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:19,666 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:13:21,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:21,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 102 states and 145 transitions. [2021-11-13 23:13:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2021-11-13 23:13:21,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:13:21,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:21,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:21,790 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:13:24,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:24,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 106 states and 150 transitions. [2021-11-13 23:13:24,262 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 150 transitions. [2021-11-13 23:13:24,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:13:24,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:24,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 114 states and 172 transitions. [2021-11-13 23:13:45,217 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 172 transitions. [2021-11-13 23:13:45,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:13:45,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:45,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:47,955 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 122 states and 191 transitions. [2021-11-13 23:14:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 191 transitions. [2021-11-13 23:14:02,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:14:02,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:02,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:14:14,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:14,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 129 states and 207 transitions. [2021-11-13 23:14:14,738 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 207 transitions. [2021-11-13 23:14:14,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:14:14,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:14,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:14,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:14:18,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:18,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 133 states and 212 transitions. [2021-11-13 23:14:18,354 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2021-11-13 23:14:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:14:18,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:18,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:14:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 136 states and 219 transitions. [2021-11-13 23:14:22,871 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 219 transitions. [2021-11-13 23:14:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:14:22,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:22,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:14:31,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:31,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 141 states and 233 transitions. [2021-11-13 23:14:31,578 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 233 transitions. [2021-11-13 23:14:31,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:14:31,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:31,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:43,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:43,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 144 states and 237 transitions. [2021-11-13 23:14:43,806 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 237 transitions. [2021-11-13 23:14:43,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:14:43,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:43,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:15:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 152 states and 257 transitions. [2021-11-13 23:15:30,652 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 257 transitions. [2021-11-13 23:15:30,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:15:30,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:30,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:32,181 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:15:49,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:49,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 162 states and 282 transitions. [2021-11-13 23:15:49,410 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 282 transitions. [2021-11-13 23:15:49,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:15:49,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:49,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:49,817 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:15:51,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:51,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 164 states and 286 transitions. [2021-11-13 23:15:51,203 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 286 transitions. [2021-11-13 23:15:51,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:15:51,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:51,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:51,662 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 23:16:07,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:07,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 174 states and 308 transitions. [2021-11-13 23:16:07,881 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 308 transitions. [2021-11-13 23:16:07,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:16:07,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:07,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:07,909 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 23:16:09,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:09,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 175 states and 308 transitions. [2021-11-13 23:16:09,040 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 308 transitions. [2021-11-13 23:16:09,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:16:09,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:09,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:14,203 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:17:00,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:00,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 188 states and 340 transitions. [2021-11-13 23:17:00,660 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 340 transitions. [2021-11-13 23:17:00,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:17:00,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:00,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:17:26,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:26,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 192 states and 346 transitions. [2021-11-13 23:17:26,676 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 346 transitions. [2021-11-13 23:17:26,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:17:26,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:26,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:26,698 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:17:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 195 states and 353 transitions. [2021-11-13 23:17:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 353 transitions. [2021-11-13 23:17:33,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:17:33,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:33,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:18:20,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 210 states and 390 transitions. [2021-11-13 23:18:20,297 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 390 transitions. [2021-11-13 23:18:20,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:18:20,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:20,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:18:41,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:41,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 220 states and 416 transitions. [2021-11-13 23:18:41,411 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 416 transitions. [2021-11-13 23:18:41,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:18:41,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:41,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:41,597 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:19:03,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:03,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 230 states and 440 transitions. [2021-11-13 23:19:03,250 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 440 transitions. [2021-11-13 23:19:03,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:19:03,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:03,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:20:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:20:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 245 states and 478 transitions. [2021-11-13 23:20:13,642 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 478 transitions. [2021-11-13 23:20:13,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:20:13,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:20:13,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:20:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:20:17,640 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:20:53,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:20:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 257 states and 511 transitions. [2021-11-13 23:20:53,684 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 511 transitions. [2021-11-13 23:20:53,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:20:53,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:20:53,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:20:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:20:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:20:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:20:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 259 states and 512 transitions. [2021-11-13 23:20:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 512 transitions. [2021-11-13 23:20:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:20:58,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:20:58,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:20:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:20:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:21:00,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 260 states and 512 transitions. [2021-11-13 23:21:00,525 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 512 transitions. [2021-11-13 23:21:00,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:21:00,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:00,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:21:44,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:44,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 272 states and 543 transitions. [2021-11-13 23:21:44,871 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 543 transitions. [2021-11-13 23:21:44,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:21:44,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:44,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:44,936 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:21:49,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:49,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 274 states and 544 transitions. [2021-11-13 23:21:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 544 transitions. [2021-11-13 23:21:49,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:21:49,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:49,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:39,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 285 states and 576 transitions. [2021-11-13 23:22:39,027 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 576 transitions. [2021-11-13 23:22:39,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:22:39,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:39,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:39,131 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:41,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:41,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 286 states and 579 transitions. [2021-11-13 23:22:41,656 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 579 transitions. [2021-11-13 23:22:41,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:22:41,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:41,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 289 states and 584 transitions. [2021-11-13 23:22:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 584 transitions. [2021-11-13 23:22:50,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:22:50,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:50,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:23:29,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 300 states and 618 transitions. [2021-11-13 23:23:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 618 transitions. [2021-11-13 23:23:29,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:23:29,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:29,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:29,494 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:23:32,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:32,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 301 states and 621 transitions. [2021-11-13 23:23:32,081 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 621 transitions. [2021-11-13 23:23:32,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:23:32,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:32,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:23:44,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:44,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 305 states and 631 transitions. [2021-11-13 23:23:44,581 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 631 transitions. [2021-11-13 23:23:44,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:23:44,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:44,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:47,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:47,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 306 states and 631 transitions. [2021-11-13 23:23:47,742 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 631 transitions. [2021-11-13 23:23:47,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:23:47,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:47,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:47,782 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:23:53,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 308 states and 640 transitions. [2021-11-13 23:23:53,777 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 640 transitions. [2021-11-13 23:23:53,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:23:53,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:53,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:53,885 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:24:00,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:00,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 310 states and 645 transitions. [2021-11-13 23:24:00,183 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 645 transitions. [2021-11-13 23:24:00,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:24:00,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:00,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:24:22,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:22,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 317 states and 662 transitions. [2021-11-13 23:24:22,255 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 662 transitions. [2021-11-13 23:24:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:24:22,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:22,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat