./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL --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 315c7f7d4f861da6991110ab8f251d6e6bbcbe86dfcb4a71343434e33094f4a7 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:07:08,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:07:08,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:07:08,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:07:08,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:07:08,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:07:08,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:07:08,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:07:08,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:07:08,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:07:08,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:07:08,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:07:08,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:07:08,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:07:08,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:07:08,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:07:08,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:07:08,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:07:08,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:07:08,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:07:08,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:07:08,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:07:08,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:07:08,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:07:08,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:07:08,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:07:08,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:07:08,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:07:08,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:07:08,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:07:08,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:07:08,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:07:08,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:07:08,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:07:08,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:07:08,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:07:08,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:07:08,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:07:08,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:07:08,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:07:08,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:07:08,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 06:07:08,190 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:07:08,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:07:08,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:07:08,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:07:08,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:07:08,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:07:08,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:07:08,194 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:07:08,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:07:08,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:07:08,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:07:08,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:07:08,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:07:08,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:07:08,195 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:07:08,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:07:08,196 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:07:08,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:07:08,196 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:07:08,197 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:07:08,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:07:08,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:07:08,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:07:08,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:07:08,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:07:08,198 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:07:08,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:07:08,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:07:08,199 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_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 315c7f7d4f861da6991110ab8f251d6e6bbcbe86dfcb4a71343434e33094f4a7 [2021-11-25 06:07:08,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:07:08,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:07:08,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:07:08,503 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:07:08,505 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:07:08,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2021-11-25 06:07:08,584 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL/data/4dcff09c4/b726df6947ed4afc95f7fcb5cc24e528/FLAG3531ee1a8 [2021-11-25 06:07:09,249 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:07:09,253 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2021-11-25 06:07:09,267 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL/data/4dcff09c4/b726df6947ed4afc95f7fcb5cc24e528/FLAG3531ee1a8 [2021-11-25 06:07:09,473 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL/data/4dcff09c4/b726df6947ed4afc95f7fcb5cc24e528 [2021-11-25 06:07:09,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:07:09,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:07:09,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:07:09,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:07:09,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:07:09,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:09" (1/1) ... [2021-11-25 06:07:09,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff3b8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:09, skipping insertion in model container [2021-11-25 06:07:09,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:09" (1/1) ... [2021-11-25 06:07:09,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:07:09,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:07:09,980 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_1b427f23-4bda-483c-87c3-7796cfee5bff/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c[31111,31124] [2021-11-25 06:07:09,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:07:09,993 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:07:10,106 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_1b427f23-4bda-483c-87c3-7796cfee5bff/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c[31111,31124] [2021-11-25 06:07:10,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:07:10,131 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:07:10,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10 WrapperNode [2021-11-25 06:07:10,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:07:10,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:07:10,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:07:10,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:07:10,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,262 INFO L137 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1000 [2021-11-25 06:07:10,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:07:10,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:07:10,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:07:10,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:07:10,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:07:10,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:07:10,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:07:10,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:07:10,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:07:10,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:07:10,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:07:10,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b427f23-4bda-483c-87c3-7796cfee5bff/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:07:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:07:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:07:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:07:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:07:10,606 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:07:10,608 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:07:11,849 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:07:12,901 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:07:12,902 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 06:07:12,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:12 BoogieIcfgContainer [2021-11-25 06:07:12,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:07:12,906 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:07:12,907 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:07:12,917 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:07:12,918 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:12" (1/1) ... [2021-11-25 06:07:12,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:07:13,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:13,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 140 states and 224 transitions. [2021-11-25 06:07:13,021 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2021-11-25 06:07:13,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 06:07:13,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:13,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:13,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:14,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:14,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 141 states and 226 transitions. [2021-11-25 06:07:14,071 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 226 transitions. [2021-11-25 06:07:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 06:07:14,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:14,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:14,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:14,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 144 states and 232 transitions. [2021-11-25 06:07:14,789 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2021-11-25 06:07:14,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 06:07:14,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:14,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:15,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 240 transitions. [2021-11-25 06:07:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2021-11-25 06:07:15,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 06:07:15,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:15,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:15,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:16,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:16,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2021-11-25 06:07:16,735 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2021-11-25 06:07:16,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:07:16,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:16,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:17,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:17,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:17,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 159 states and 262 transitions. [2021-11-25 06:07:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 262 transitions. [2021-11-25 06:07:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 06:07:17,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:17,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:18,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:19,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:19,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 167 states and 276 transitions. [2021-11-25 06:07:19,560 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 276 transitions. [2021-11-25 06:07:19,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 06:07:19,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:19,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:20,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 174 states and 289 transitions. [2021-11-25 06:07:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 289 transitions. [2021-11-25 06:07:21,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 06:07:21,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:21,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:21,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:21,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2021-11-25 06:07:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2021-11-25 06:07:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 06:07:21,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:21,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:22,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:22,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2021-11-25 06:07:22,044 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2021-11-25 06:07:22,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 06:07:22,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:22,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:22,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:25,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 187 states and 308 transitions. [2021-11-25 06:07:25,168 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 308 transitions. [2021-11-25 06:07:25,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 06:07:25,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:25,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:25,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:25,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 190 states and 312 transitions. [2021-11-25 06:07:25,677 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 312 transitions. [2021-11-25 06:07:25,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 06:07:25,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:25,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:27,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:32,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 207 states and 345 transitions. [2021-11-25 06:07:32,479 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 345 transitions. [2021-11-25 06:07:32,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 06:07:32,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:32,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:39,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:39,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 225 states and 379 transitions. [2021-11-25 06:07:39,066 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 379 transitions. [2021-11-25 06:07:39,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 06:07:39,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:39,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:39,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:39,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 226 states and 382 transitions. [2021-11-25 06:07:39,786 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 382 transitions. [2021-11-25 06:07:39,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 06:07:39,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:39,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:40,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:46,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:46,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 245 states and 418 transitions. [2021-11-25 06:07:46,526 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 418 transitions. [2021-11-25 06:07:46,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 06:07:46,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:46,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:46,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:47,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:47,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 246 states and 419 transitions. [2021-11-25 06:07:47,110 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 419 transitions. [2021-11-25 06:07:47,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 06:07:47,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:47,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:47,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:47,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 247 states and 423 transitions. [2021-11-25 06:07:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 423 transitions. [2021-11-25 06:07:47,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 06:07:47,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:47,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:55,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:55,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 267 states and 462 transitions. [2021-11-25 06:07:55,015 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 462 transitions. [2021-11-25 06:07:55,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 06:07:55,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:55,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:55,280 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:55,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:55,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 268 states and 463 transitions. [2021-11-25 06:07:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 463 transitions. [2021-11-25 06:07:55,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 06:07:55,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:55,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:56,007 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 269 states and 464 transitions. [2021-11-25 06:07:56,448 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 464 transitions. [2021-11-25 06:07:56,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 06:07:56,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:56,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:57,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:57,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 270 states and 465 transitions. [2021-11-25 06:07:57,218 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 465 transitions. [2021-11-25 06:07:57,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 06:07:57,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:57,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:58,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:58,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 271 states and 470 transitions. [2021-11-25 06:07:58,238 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 470 transitions. [2021-11-25 06:07:58,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 06:07:58,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:58,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:59,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:05,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:05,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 286 states and 500 transitions. [2021-11-25 06:08:05,976 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 500 transitions. [2021-11-25 06:08:05,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 06:08:05,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:05,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:06,221 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:08,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:08,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 290 states and 512 transitions. [2021-11-25 06:08:08,231 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 512 transitions. [2021-11-25 06:08:08,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 06:08:08,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:08,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:08,447 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:09,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:09,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 292 states and 515 transitions. [2021-11-25 06:08:09,287 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 515 transitions. [2021-11-25 06:08:09,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 06:08:09,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:09,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:10,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:10,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 293 states and 516 transitions. [2021-11-25 06:08:10,117 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 516 transitions. [2021-11-25 06:08:10,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 06:08:10,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:10,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:10,325 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:11,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:11,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 294 states and 522 transitions. [2021-11-25 06:08:11,019 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 522 transitions. [2021-11-25 06:08:11,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 06:08:11,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:11,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:12,800 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:20,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:20,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 302 states and 543 transitions. [2021-11-25 06:08:20,193 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 543 transitions. [2021-11-25 06:08:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 06:08:20,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:20,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:21,600 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:23,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:23,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 305 states and 548 transitions. [2021-11-25 06:08:23,739 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 548 transitions. [2021-11-25 06:08:23,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 06:08:23,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:23,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:24,613 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:25,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 306 states and 551 transitions. [2021-11-25 06:08:25,440 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 551 transitions. [2021-11-25 06:08:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 06:08:25,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:25,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:27,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 308 states and 554 transitions. [2021-11-25 06:08:27,348 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 554 transitions. [2021-11-25 06:08:27,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 06:08:27,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:27,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:28,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 309 states and 555 transitions. [2021-11-25 06:08:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 555 transitions. [2021-11-25 06:08:28,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 06:08:28,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:28,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:30,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 310 states and 556 transitions. [2021-11-25 06:08:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 556 transitions. [2021-11-25 06:08:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 06:08:30,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:30,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 311 states and 557 transitions. [2021-11-25 06:08:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 557 transitions. [2021-11-25 06:08:32,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 06:08:32,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:32,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:33,349 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:34,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 312 states and 558 transitions. [2021-11-25 06:08:34,167 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 558 transitions. [2021-11-25 06:08:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 06:08:34,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:34,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:36,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:36,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 313 states and 561 transitions. [2021-11-25 06:08:36,127 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 561 transitions. [2021-11-25 06:08:36,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 06:08:36,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:36,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:43,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:43,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 326 states and 598 transitions. [2021-11-25 06:08:43,792 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 598 transitions. [2021-11-25 06:08:43,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 06:08:43,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:43,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:48,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:48,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 332 states and 620 transitions. [2021-11-25 06:08:48,826 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 620 transitions. [2021-11-25 06:08:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 06:08:48,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:48,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:52,189 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:01,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:01,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 340 states and 641 transitions. [2021-11-25 06:09:01,818 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 641 transitions. [2021-11-25 06:09:01,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 06:09:01,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:01,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:03,426 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:15,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 355 states and 700 transitions. [2021-11-25 06:09:15,541 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 700 transitions. [2021-11-25 06:09:15,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 06:09:15,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:15,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:16,769 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:27,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 370 states and 745 transitions. [2021-11-25 06:09:27,949 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 745 transitions. [2021-11-25 06:09:27,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-25 06:09:27,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:27,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:29,114 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:39,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 385 states and 784 transitions. [2021-11-25 06:09:39,407 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 784 transitions. [2021-11-25 06:09:39,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-25 06:09:39,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:39,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:42,579 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:57,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:57,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 400 states and 820 transitions. [2021-11-25 06:09:57,515 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 820 transitions. [2021-11-25 06:09:57,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-25 06:09:57,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:57,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:10:09,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:09,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 411 states and 848 transitions. [2021-11-25 06:10:09,915 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 848 transitions. [2021-11-25 06:10:09,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-25 06:10:09,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:09,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:10,138 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:10:12,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:12,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 413 states and 857 transitions. [2021-11-25 06:10:12,057 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 857 transitions. [2021-11-25 06:10:12,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 06:10:12,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:12,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:13,026 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:10:27,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:27,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 428 states and 895 transitions. [2021-11-25 06:10:27,486 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 895 transitions. [2021-11-25 06:10:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 06:10:27,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:27,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:28,781 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:10:31,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:31,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 430 states and 909 transitions. [2021-11-25 06:10:31,813 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 909 transitions. [2021-11-25 06:10:31,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 06:10:31,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:31,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:10:34,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:34,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 432 states and 919 transitions. [2021-11-25 06:10:34,304 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 919 transitions. [2021-11-25 06:10:34,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 06:10:34,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:34,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:35,945 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:10:45,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 437 states and 933 transitions. [2021-11-25 06:10:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 933 transitions. [2021-11-25 06:10:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 06:10:45,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:45,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:10:51,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:51,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 439 states and 946 transitions. [2021-11-25 06:10:51,450 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 946 transitions. [2021-11-25 06:10:51,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 06:10:51,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:51,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:51,858 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:10:54,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:54,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 441 states and 960 transitions. [2021-11-25 06:10:54,288 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 960 transitions. [2021-11-25 06:10:54,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-25 06:10:54,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:54,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:57,928 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:11:17,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:11:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 456 states and 1013 transitions. [2021-11-25 06:11:17,651 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1013 transitions. [2021-11-25 06:11:17,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-25 06:11:17,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:11:17,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:11:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:11:17,911 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:11:24,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:11:24,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 461 states and 1040 transitions. [2021-11-25 06:11:24,312 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1040 transitions. [2021-11-25 06:11:24,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-25 06:11:24,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:11:24,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:11:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:11:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:11:27,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:11:27,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 462 states and 1041 transitions. [2021-11-25 06:11:27,982 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 1041 transitions. [2021-11-25 06:11:27,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-25 06:11:27,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:11:27,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:11:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:11:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:11:29,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:11:29,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 463 states and 1042 transitions. [2021-11-25 06:11:29,521 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 1042 transitions. [2021-11-25 06:11:29,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-25 06:11:29,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:11:29,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:11:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:11:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:11:36,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:11:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 467 states and 1059 transitions. [2021-11-25 06:11:36,545 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1059 transitions. [2021-11-25 06:11:36,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-25 06:11:36,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:11:36,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:11:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:11:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:11:47,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:11:47,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 474 states and 1095 transitions. [2021-11-25 06:11:47,342 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1095 transitions. [2021-11-25 06:11:47,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 06:11:47,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:11:47,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:11:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:11:48,308 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:12:04,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:04,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 482 states and 1123 transitions. [2021-11-25 06:12:04,696 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1123 transitions. [2021-11-25 06:12:04,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 06:12:04,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:04,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:12:13,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 488 states and 1144 transitions. [2021-11-25 06:12:13,877 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 1144 transitions. [2021-11-25 06:12:13,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 06:12:13,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:13,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:14,415 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:12:16,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:16,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 489 states and 1145 transitions. [2021-11-25 06:12:16,136 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1145 transitions. [2021-11-25 06:12:16,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 06:12:16,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:16,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:12:23,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:23,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 493 states and 1161 transitions. [2021-11-25 06:12:23,924 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 1161 transitions. [2021-11-25 06:12:23,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 06:12:23,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:23,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:12:27,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:27,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 495 states and 1164 transitions. [2021-11-25 06:12:27,883 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1164 transitions. [2021-11-25 06:12:27,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 06:12:27,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:27,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:28,201 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:12:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:29,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 496 states and 1165 transitions. [2021-11-25 06:12:29,864 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 1165 transitions. [2021-11-25 06:12:29,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 06:12:29,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:29,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:12:35,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:35,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 500 states and 1182 transitions. [2021-11-25 06:12:35,612 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 1182 transitions. [2021-11-25 06:12:35,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 06:12:35,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:35,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:36,014 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:12:45,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:45,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 506 states and 1200 transitions. [2021-11-25 06:12:45,361 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1200 transitions. [2021-11-25 06:12:45,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-25 06:12:45,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:45,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat