./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5878b7d2af5fd4b66050c0dbed52215fb6ea8477622dc26391a98be7bc7f1ca --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:15:39,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:15:39,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:15:39,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:15:39,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:15:39,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:15:39,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:15:39,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:15:39,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:15:39,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:15:39,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:15:39,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:15:39,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:15:39,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:15:39,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:15:39,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:15:39,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:15:39,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:15:39,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:15:39,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:15:39,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:15:39,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:15:39,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:15:39,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:15:39,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:15:39,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:15:39,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:15:39,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:15:39,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:15:39,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:15:39,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:15:39,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:15:39,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:15:39,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:15:39,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:15:39,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:15:39,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:15:39,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:15:39,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:15:39,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:15:39,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:15:39,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 06:15:40,046 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:15:40,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:15:40,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:15:40,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:15:40,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:15:40,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:15:40,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:15:40,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:15:40,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:15:40,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:15:40,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:15:40,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:15:40,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:15:40,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:15:40,061 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:15:40,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:15:40,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:15:40,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:15:40,062 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:15:40,062 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:15:40,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:15:40,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:15:40,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:15:40,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:15:40,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:15:40,064 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:15:40,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:15:40,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:15:40,065 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_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5878b7d2af5fd4b66050c0dbed52215fb6ea8477622dc26391a98be7bc7f1ca [2021-11-21 06:15:40,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:15:40,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:15:40,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:15:40,472 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:15:40,478 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:15:40,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-21 06:15:40,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN/data/67c084926/ec1c8ee9d3ca41e1addd7fefc62d7c57/FLAGc0fe901ca [2021-11-21 06:15:41,205 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:15:41,206 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-21 06:15:41,230 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN/data/67c084926/ec1c8ee9d3ca41e1addd7fefc62d7c57/FLAGc0fe901ca [2021-11-21 06:15:41,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN/data/67c084926/ec1c8ee9d3ca41e1addd7fefc62d7c57 [2021-11-21 06:15:41,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:15:41,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:15:41,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:15:41,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:15:41,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:15:41,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:15:41" (1/1) ... [2021-11-21 06:15:41,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6bd593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:15:41, skipping insertion in model container [2021-11-21 06:15:41,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:15:41" (1/1) ... [2021-11-21 06:15:41,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:15:41,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:15:41,884 WARN L230 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_09338261-f640-41be-854c-e913a8561ee6/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c[6117,6130] [2021-11-21 06:15:41,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:15:41,912 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:15:42,001 WARN L230 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_09338261-f640-41be-854c-e913a8561ee6/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c[6117,6130] [2021-11-21 06:15:42,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:15:42,019 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:15:42,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:15:42 WrapperNode [2021-11-21 06:15:42,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:15:42,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:15:42,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:15:42,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:15:42,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:15:42" (1/1) ... [2021-11-21 06:15:42,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:15:42" (1/1) ... [2021-11-21 06:15:42,070 INFO L137 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 217 [2021-11-21 06:15:42,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:15:42,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:15:42,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:15:42,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:15:42,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:15:42" (1/1) ... [2021-11-21 06:15:42,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:15:42" (1/1) ... [2021-11-21 06:15:42,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:15:42" (1/1) ... [2021-11-21 06:15:42,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:15:42" (1/1) ... [2021-11-21 06:15:42,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:15:42" (1/1) ... [2021-11-21 06:15:42,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:15:42" (1/1) ... [2021-11-21 06:15:42,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:15:42" (1/1) ... [2021-11-21 06:15:42,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:15:42,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:15:42,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:15:42,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:15:42,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:15:42" (1/1) ... [2021-11-21 06:15:42,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:15:42,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:15:42,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:15:42,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09338261-f640-41be-854c-e913a8561ee6/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:15:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:15:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:15:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:15:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:15:42,395 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:15:42,397 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:15:42,773 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:15:43,138 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:15:43,138 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 06:15:43,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:15:43 BoogieIcfgContainer [2021-11-21 06:15:43,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:15:43,143 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:15:43,143 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:15:43,156 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:15:43,156 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:15:43" (1/1) ... [2021-11-21 06:15:43,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:15:43,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:43,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-21 06:15:43,244 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-21 06:15:43,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:15:43,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:43,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:43,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:15:43,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:43,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-21 06:15:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-21 06:15:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:15:43,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:43,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:44,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:15:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:44,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-11-21 06:15:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-11-21 06:15:44,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:15:44,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:44,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:44,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:15:45,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:45,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-11-21 06:15:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-21 06:15:45,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:15:45,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:45,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:15:45,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:45,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2021-11-21 06:15:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2021-11-21 06:15:45,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:15:45,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:45,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:15:50,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:50,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2021-11-21 06:15:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-11-21 06:15:50,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:15:50,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:50,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:50,373 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:15:52,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 78 transitions. [2021-11-21 06:15:52,832 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2021-11-21 06:15:52,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:15:52,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:52,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:52,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:15:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 43 states and 82 transitions. [2021-11-21 06:15:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 82 transitions. [2021-11-21 06:15:53,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:15:53,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:53,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:55,073 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:16:01,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 100 transitions. [2021-11-21 06:16:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2021-11-21 06:16:01,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:16:01,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:01,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:16:11,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:11,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 65 states and 141 transitions. [2021-11-21 06:16:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 141 transitions. [2021-11-21 06:16:11,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:16:11,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:11,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:16:15,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:15,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 73 states and 169 transitions. [2021-11-21 06:16:15,697 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 169 transitions. [2021-11-21 06:16:15,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:16:15,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:15,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:16,755 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:16:21,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 83 states and 199 transitions. [2021-11-21 06:16:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 199 transitions. [2021-11-21 06:16:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:16:21,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:21,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:21,872 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:16:25,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:25,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 91 states and 214 transitions. [2021-11-21 06:16:25,460 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 214 transitions. [2021-11-21 06:16:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:16:25,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:25,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:16:28,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 98 states and 229 transitions. [2021-11-21 06:16:28,512 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 229 transitions. [2021-11-21 06:16:28,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:16:28,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:28,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:28,627 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:16:29,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:29,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 99 states and 235 transitions. [2021-11-21 06:16:29,326 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 235 transitions. [2021-11-21 06:16:29,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:16:29,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:29,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:16:30,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:30,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 100 states and 239 transitions. [2021-11-21 06:16:30,278 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 239 transitions. [2021-11-21 06:16:30,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:16:30,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:30,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:17:08,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:08,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 124 states and 301 transitions. [2021-11-21 06:17:08,619 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 301 transitions. [2021-11-21 06:17:08,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:17:08,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:08,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:12,200 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:17:25,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:25,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 132 states and 322 transitions. [2021-11-21 06:17:25,166 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 322 transitions. [2021-11-21 06:17:25,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:17:25,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:25,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:17:30,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 134 states and 326 transitions. [2021-11-21 06:17:30,368 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 326 transitions. [2021-11-21 06:17:30,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:17:30,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:30,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:41,758 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:18:49,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 158 states and 387 transitions. [2021-11-21 06:18:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 387 transitions. [2021-11-21 06:18:49,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:18:49,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:49,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:56,202 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:19:33,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 168 states and 424 transitions. [2021-11-21 06:19:33,687 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 424 transitions. [2021-11-21 06:19:33,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:19:33,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:33,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:39,820 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:19:54,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:54,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 176 states and 451 transitions. [2021-11-21 06:19:54,735 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 451 transitions. [2021-11-21 06:19:54,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:19:54,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:54,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:57,413 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:20:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:43,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 192 states and 486 transitions. [2021-11-21 06:20:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 486 transitions. [2021-11-21 06:20:43,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:20:43,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:43,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:19,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 205 states and 501 transitions. [2021-11-21 06:21:19,854 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 501 transitions. [2021-11-21 06:21:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 06:21:19,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:19,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:22,371 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 06:21:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 220 states and 536 transitions. [2021-11-21 06:21:45,265 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 536 transitions. [2021-11-21 06:21:45,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:21:45,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:45,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:49,561 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:18,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:18,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 235 states and 578 transitions. [2021-11-21 06:22:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 578 transitions. [2021-11-21 06:22:18,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:22:18,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:18,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 21 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:47,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 246 states and 596 transitions. [2021-11-21 06:22:47,321 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 596 transitions. [2021-11-21 06:22:47,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:22:47,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:47,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:47,574 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 21 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:57,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:57,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 253 states and 608 transitions. [2021-11-21 06:22:57,888 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 608 transitions. [2021-11-21 06:22:57,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:22:57,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:57,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 21 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:12,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 258 states and 619 transitions. [2021-11-21 06:23:12,831 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 619 transitions. [2021-11-21 06:23:12,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:23:12,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:12,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 21 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:22,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:22,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 264 states and 632 transitions. [2021-11-21 06:23:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 632 transitions. [2021-11-21 06:23:22,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:23:22,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:22,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:22,748 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:33,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:33,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 268 states and 637 transitions. [2021-11-21 06:23:33,995 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 637 transitions. [2021-11-21 06:23:33,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:23:33,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:33,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:34,184 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:41,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 273 states and 646 transitions. [2021-11-21 06:23:41,267 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 646 transitions. [2021-11-21 06:23:41,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 06:23:41,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:41,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:18,011 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:27:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:27:35,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 313 states and 766 transitions. [2021-11-21 06:27:35,837 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 766 transitions. [2021-11-21 06:27:35,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 06:27:35,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:27:35,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:27:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:27:52,728 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.