./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 64e9a02fe4d55a12958b5de8c28c6c0ab007c7a3dc976261fd9d4ec11bf5feff --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:43:29,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:43:29,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:43:29,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:43:29,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:43:29,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:43:29,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:43:29,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:43:29,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:43:29,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:43:29,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:43:29,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:43:29,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:43:29,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:43:29,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:43:29,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:43:29,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:43:29,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:43:29,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:43:29,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:43:29,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:43:29,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:43:29,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:43:29,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:43:29,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:43:29,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:43:29,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:43:29,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:43:29,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:43:29,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:43:29,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:43:29,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:43:29,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:43:29,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:43:29,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:43:29,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:43:29,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:43:29,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:43:29,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:43:29,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:43:29,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:43:29,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:43:29,621 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:43:29,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:43:29,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:43:29,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:43:29,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:43:29,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:43:29,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:43:29,624 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:43:29,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:43:29,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:43:29,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:43:29,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:43:29,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:43:29,625 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:43:29,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:43:29,626 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:43:29,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:43:29,626 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:43:29,626 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:43:29,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:43:29,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:43:29,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:43:29,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:43:29,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:43:29,632 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:43:29,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:43:29,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:43:29,632 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_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64e9a02fe4d55a12958b5de8c28c6c0ab007c7a3dc976261fd9d4ec11bf5feff [2022-11-20 16:43:29,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:43:29,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:43:29,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:43:29,968 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:43:29,969 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:43:29,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i [2022-11-20 16:43:33,101 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:43:33,400 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:43:33,401 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i [2022-11-20 16:43:33,417 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ/data/2fbcee8d2/a2f68bfdc7d041de8f1294c79e676ac1/FLAGc9711b1e6 [2022-11-20 16:43:33,433 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ/data/2fbcee8d2/a2f68bfdc7d041de8f1294c79e676ac1 [2022-11-20 16:43:33,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:43:33,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:43:33,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:43:33,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:43:33,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:43:33,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:43:33" (1/1) ... [2022-11-20 16:43:33,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@628f7e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:33, skipping insertion in model container [2022-11-20 16:43:33,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:43:33" (1/1) ... [2022-11-20 16:43:33,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:43:33,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:43:33,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:43:33,904 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:43:33,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:43:34,001 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:43:34,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:34 WrapperNode [2022-11-20 16:43:34,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:43:34,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:43:34,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:43:34,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:43:34,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:34" (1/1) ... [2022-11-20 16:43:34,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:34" (1/1) ... [2022-11-20 16:43:34,066 INFO L138 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2022-11-20 16:43:34,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:43:34,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:43:34,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:43:34,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:43:34,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:34" (1/1) ... [2022-11-20 16:43:34,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:34" (1/1) ... [2022-11-20 16:43:34,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:34" (1/1) ... [2022-11-20 16:43:34,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:34" (1/1) ... [2022-11-20 16:43:34,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:34" (1/1) ... [2022-11-20 16:43:34,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:34" (1/1) ... [2022-11-20 16:43:34,116 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:34" (1/1) ... [2022-11-20 16:43:34,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:34" (1/1) ... [2022-11-20 16:43:34,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:43:34,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:43:34,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:43:34,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:43:34,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:34" (1/1) ... [2022-11-20 16:43:34,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:43:34,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:43:34,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:43:34,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c23297-8f85-4dff-ae39-8a5791c0b7a3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:43:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:43:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:43:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:43:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:43:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:43:34,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:43:34,369 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:43:34,371 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:43:34,581 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:43:34,693 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:43:34,693 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 16:43:34,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:43:34 BoogieIcfgContainer [2022-11-20 16:43:34,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:43:34,703 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:43:34,705 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:43:34,715 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:43:34,716 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:43:34" (1/1) ... [2022-11-20 16:43:34,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:43:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:34,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-11-20 16:43:34,791 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-11-20 16:43:34,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:43:34,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:34,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:34,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2022-11-20 16:43:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-11-20 16:43:34,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:43:34,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:34,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:35,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:36,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2022-11-20 16:43:36,040 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2022-11-20 16:43:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:43:36,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:36,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:36,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:37,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2022-11-20 16:43:37,191 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2022-11-20 16:43:37,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:43:37,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:37,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:38,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:38,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2022-11-20 16:43:38,018 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2022-11-20 16:43:38,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:43:38,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:38,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:38,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:38,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:38,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2022-11-20 16:43:38,682 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2022-11-20 16:43:38,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:43:38,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:38,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:38,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:39,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:39,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2022-11-20 16:43:39,204 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2022-11-20 16:43:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:43:39,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:39,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:39,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:39,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:39,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2022-11-20 16:43:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2022-11-20 16:43:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:43:39,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:39,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:41,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:41,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 47 states and 89 transitions. [2022-11-20 16:43:41,843 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 89 transitions. [2022-11-20 16:43:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:43:41,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:41,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:42,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:42,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:42,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2022-11-20 16:43:42,325 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2022-11-20 16:43:42,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:43:42,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:42,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:44,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:44,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 50 states and 104 transitions. [2022-11-20 16:43:44,590 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 104 transitions. [2022-11-20 16:43:44,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:43:44,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:44,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:44,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:45,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:45,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 51 states and 106 transitions. [2022-11-20 16:43:45,231 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 106 transitions. [2022-11-20 16:43:45,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:43:45,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:45,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:45,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:43:45,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 52 states and 110 transitions. [2022-11-20 16:43:45,738 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 110 transitions. [2022-11-20 16:43:45,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:43:45,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:45,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:46,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:47,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:47,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 54 states and 115 transitions. [2022-11-20 16:43:47,986 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 115 transitions. [2022-11-20 16:43:47,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:43:47,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:47,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:52,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:52,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 60 states and 137 transitions. [2022-11-20 16:43:52,010 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 137 transitions. [2022-11-20 16:43:52,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:43:52,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:52,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:43:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 62 states and 142 transitions. [2022-11-20 16:43:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 142 transitions. [2022-11-20 16:43:53,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:43:53,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:53,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:53,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:54,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:54,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 64 states and 148 transitions. [2022-11-20 16:43:54,139 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 148 transitions. [2022-11-20 16:43:54,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:43:54,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:54,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:54,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:57,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 67 states and 155 transitions. [2022-11-20 16:43:57,311 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 155 transitions. [2022-11-20 16:43:57,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:43:57,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:57,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:01,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:01,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 73 states and 167 transitions. [2022-11-20 16:44:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 167 transitions. [2022-11-20 16:44:01,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:44:01,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:01,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:09,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 82 states and 199 transitions. [2022-11-20 16:44:09,655 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 199 transitions. [2022-11-20 16:44:09,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:44:09,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:09,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:09,879 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:44:10,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:10,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 83 states and 202 transitions. [2022-11-20 16:44:10,705 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 202 transitions. [2022-11-20 16:44:10,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:44:10,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:10,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:12,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:12,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 85 states and 204 transitions. [2022-11-20 16:44:12,262 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 204 transitions. [2022-11-20 16:44:12,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:44:12,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:12,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:20,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:20,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 95 states and 229 transitions. [2022-11-20 16:44:20,347 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 229 transitions. [2022-11-20 16:44:20,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:44:20,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:20,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:20,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:44:22,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 97 states and 233 transitions. [2022-11-20 16:44:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 233 transitions. [2022-11-20 16:44:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:44:22,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:22,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:24,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:32,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:32,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 102 states and 239 transitions. [2022-11-20 16:44:32,064 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 239 transitions. [2022-11-20 16:44:32,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:44:32,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:32,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:34,730 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:45,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:45,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 113 states and 279 transitions. [2022-11-20 16:44:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 279 transitions. [2022-11-20 16:44:45,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:44:45,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:45,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:49,233 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:52,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 115 states and 282 transitions. [2022-11-20 16:44:52,909 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 282 transitions. [2022-11-20 16:44:52,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:44:52,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:52,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:54,707 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:00,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:00,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 120 states and 304 transitions. [2022-11-20 16:45:00,241 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 304 transitions. [2022-11-20 16:45:00,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:00,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:00,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:02,561 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:09,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:09,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 126 states and 312 transitions. [2022-11-20 16:45:09,392 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 312 transitions. [2022-11-20 16:45:09,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:09,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:09,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:09,454 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:10,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:10,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 126 states and 309 transitions. [2022-11-20 16:45:10,583 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 309 transitions. [2022-11-20 16:45:10,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:10,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:10,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:14,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 127 states and 312 transitions. [2022-11-20 16:45:14,039 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 312 transitions. [2022-11-20 16:45:14,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:14,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:14,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:14,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:14,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 128 states and 314 transitions. [2022-11-20 16:45:14,943 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 314 transitions. [2022-11-20 16:45:14,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:14,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:14,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:17,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:17,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 129 states and 315 transitions. [2022-11-20 16:45:17,565 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 315 transitions. [2022-11-20 16:45:17,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:17,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:17,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 131 states and 318 transitions. [2022-11-20 16:45:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 318 transitions. [2022-11-20 16:45:19,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:19,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:19,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:19,457 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:20,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:20,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 132 states and 320 transitions. [2022-11-20 16:45:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 320 transitions. [2022-11-20 16:45:20,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:20,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:20,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:21,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:21,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 132 states and 319 transitions. [2022-11-20 16:45:21,393 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 319 transitions. [2022-11-20 16:45:21,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:21,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:21,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:21,463 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 132 states and 318 transitions. [2022-11-20 16:45:22,323 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 318 transitions. [2022-11-20 16:45:22,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:22,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:22,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:25,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:25,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 134 states and 322 transitions. [2022-11-20 16:45:25,395 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 322 transitions. [2022-11-20 16:45:25,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:25,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:25,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:26,083 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:27,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:27,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 134 states and 319 transitions. [2022-11-20 16:45:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 319 transitions. [2022-11-20 16:45:27,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:27,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:27,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:28,126 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:45:30,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:30,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 134 states and 318 transitions. [2022-11-20 16:45:30,877 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 318 transitions. [2022-11-20 16:45:30,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 16:45:30,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:30,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:44,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 143 states and 347 transitions. [2022-11-20 16:45:44,906 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 347 transitions. [2022-11-20 16:45:44,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 16:45:44,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:44,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:47,437 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:54,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 148 states and 366 transitions. [2022-11-20 16:45:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 366 transitions. [2022-11-20 16:45:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:45:54,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:54,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 16:45:55,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:55,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 149 states and 368 transitions. [2022-11-20 16:45:55,862 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 368 transitions. [2022-11-20 16:45:55,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:45:55,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:55,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:58,425 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:46:02,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 151 states and 371 transitions. [2022-11-20 16:46:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 371 transitions. [2022-11-20 16:46:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:46:02,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:02,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:03,168 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:46:06,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:06,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 154 states and 374 transitions. [2022-11-20 16:46:06,599 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 374 transitions. [2022-11-20 16:46:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:46:06,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:06,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:07,686 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:46:15,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:15,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 156 states and 373 transitions. [2022-11-20 16:46:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 373 transitions. [2022-11-20 16:46:15,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:46:15,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:15,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:18,153 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:46:28,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 163 states and 402 transitions. [2022-11-20 16:46:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 402 transitions. [2022-11-20 16:46:28,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:46:28,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:28,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:46:35,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:35,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 167 states and 423 transitions. [2022-11-20 16:46:35,633 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 423 transitions. [2022-11-20 16:46:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:46:35,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:35,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:46:37,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:37,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 168 states and 430 transitions. [2022-11-20 16:46:37,010 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 430 transitions. [2022-11-20 16:46:37,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:46:37,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:37,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 16:46:39,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:39,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 170 states and 432 transitions. [2022-11-20 16:46:39,566 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 432 transitions. [2022-11-20 16:46:39,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:46:39,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:39,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:40,874 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:46:44,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:44,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 171 states and 436 transitions. [2022-11-20 16:46:44,343 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 436 transitions. [2022-11-20 16:46:44,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:46:44,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:44,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:46:46,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:46,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 172 states and 437 transitions. [2022-11-20 16:46:46,104 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 437 transitions. [2022-11-20 16:46:46,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:46:46,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:46,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:46:47,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 173 states and 443 transitions. [2022-11-20 16:46:47,816 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 443 transitions. [2022-11-20 16:46:47,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:46:47,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:47,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:50,935 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:47:05,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:05,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 182 states and 474 transitions. [2022-11-20 16:47:05,583 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 474 transitions. [2022-11-20 16:47:05,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:47:05,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:05,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:15,017 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:47:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:30,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 187 states and 498 transitions. [2022-11-20 16:47:30,807 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 498 transitions. [2022-11-20 16:47:30,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:47:30,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:30,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 16:47:32,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:32,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 186 states and 493 transitions. [2022-11-20 16:47:32,483 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 493 transitions. [2022-11-20 16:47:32,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:47:32,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:32,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:47:39,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:39,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 186 states and 489 transitions. [2022-11-20 16:47:39,612 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 489 transitions. [2022-11-20 16:47:39,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:47:39,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:39,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:39,654 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-20 16:47:40,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:40,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 187 states and 491 transitions. [2022-11-20 16:47:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 491 transitions. [2022-11-20 16:47:40,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:47:40,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:40,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 16:47:45,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 189 states and 491 transitions. [2022-11-20 16:47:45,633 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 491 transitions. [2022-11-20 16:47:45,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 16:47:45,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:45,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:48:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:48:15,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 198 states and 525 transitions. [2022-11-20 16:48:15,269 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 525 transitions. [2022-11-20 16:48:15,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 16:48:15,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:48:15,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:48:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:48:20,127 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:48:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:48:31,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 203 states and 546 transitions. [2022-11-20 16:48:31,638 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 546 transitions. [2022-11-20 16:48:31,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 16:48:31,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:48:31,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:48:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:48:36,488 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:48:52,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:48:52,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 209 states and 548 transitions. [2022-11-20 16:48:52,336 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 548 transitions. [2022-11-20 16:48:52,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 16:48:52,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:48:52,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:48:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:48:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:48:56,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:48:56,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 209 states and 542 transitions. [2022-11-20 16:48:56,173 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 542 transitions. [2022-11-20 16:48:56,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 16:48:56,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:48:56,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:48:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:48:56,205 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-20 16:48:57,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:48:57,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 210 states and 544 transitions. [2022-11-20 16:48:57,529 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 544 transitions. [2022-11-20 16:48:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 16:48:57,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:48:57,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:48:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:48:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-20 16:49:04,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:04,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 210 states and 538 transitions. [2022-11-20 16:49:04,402 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 538 transitions. [2022-11-20 16:49:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 16:49:04,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:04,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:05,577 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 16:49:10,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 211 states and 538 transitions. [2022-11-20 16:49:10,591 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 538 transitions. [2022-11-20 16:49:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 16:49:10,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:10,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:37,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:37,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 220 states and 585 transitions. [2022-11-20 16:49:37,606 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 585 transitions. [2022-11-20 16:49:37,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 16:49:37,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:37,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:41,161 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:52,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:52,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 225 states and 614 transitions. [2022-11-20 16:49:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 614 transitions. [2022-11-20 16:49:52,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 16:49:52,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:52,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 45 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:50:03,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:03,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 225 states and 604 transitions. [2022-11-20 16:50:03,343 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 604 transitions. [2022-11-20 16:50:03,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 16:50:03,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:03,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:03,389 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-20 16:50:05,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:05,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 225 states and 595 transitions. [2022-11-20 16:50:05,562 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 595 transitions. [2022-11-20 16:50:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 16:50:05,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:05,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:05,609 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-20 16:50:07,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:07,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 226 states and 597 transitions. [2022-11-20 16:50:07,067 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 597 transitions. [2022-11-20 16:50:07,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 16:50:07,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:07,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:07,381 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-20 16:50:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 226 states and 595 transitions. [2022-11-20 16:50:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 595 transitions. [2022-11-20 16:50:11,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 16:50:11,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:11,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:11,827 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-20 16:50:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:14,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 226 states and 587 transitions. [2022-11-20 16:50:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 587 transitions. [2022-11-20 16:50:14,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 16:50:14,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:14,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:15,221 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-20 16:50:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:22,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 227 states and 567 transitions. [2022-11-20 16:50:22,510 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2022-11-20 16:50:22,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 16:50:22,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:22,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-20 16:50:27,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:27,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 228 states and 567 transitions. [2022-11-20 16:50:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 567 transitions. [2022-11-20 16:50:27,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 16:50:27,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:27,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:28,007 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-20 16:50:29,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:29,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 229 states and 569 transitions. [2022-11-20 16:50:29,660 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 569 transitions. [2022-11-20 16:50:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 16:50:29,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:29,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:34,030 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:50:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 238 states and 603 transitions. [2022-11-20 16:50:55,113 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 603 transitions. [2022-11-20 16:50:55,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 16:50:55,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:55,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 2 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 243 states and 623 transitions. [2022-11-20 16:51:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 623 transitions. [2022-11-20 16:51:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 16:51:13,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:13,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:13,352 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-11-20 16:51:14,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 244 states and 625 transitions. [2022-11-20 16:51:14,899 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 625 transitions. [2022-11-20 16:51:14,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 16:51:14,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:14,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 66 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:26,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:26,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 244 states and 619 transitions. [2022-11-20 16:51:26,222 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 619 transitions. [2022-11-20 16:51:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 16:51:26,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:26,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-20 16:51:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:34,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 244 states and 613 transitions. [2022-11-20 16:51:34,724 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 613 transitions. [2022-11-20 16:51:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 16:51:34,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:34,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-20 16:51:38,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:38,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 244 states and 610 transitions. [2022-11-20 16:51:38,865 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 610 transitions. [2022-11-20 16:51:38,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 16:51:38,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:38,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-20 16:51:40,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:40,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 245 states and 612 transitions. [2022-11-20 16:51:40,839 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 612 transitions. [2022-11-20 16:51:40,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 16:51:40,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:40,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:45,849 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:09,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:09,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 254 states and 644 transitions. [2022-11-20 16:52:09,664 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 644 transitions. [2022-11-20 16:52:09,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 16:52:09,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:09,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:46,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 259 states and 664 transitions. [2022-11-20 16:52:46,778 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 664 transitions. [2022-11-20 16:52:46,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 16:52:46,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:46,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:46,829 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-11-20 16:52:48,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:48,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 260 states and 666 transitions. [2022-11-20 16:52:48,669 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 666 transitions. [2022-11-20 16:52:48,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 16:52:48,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:48,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:50,162 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 92 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:55,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:55,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 260 states and 662 transitions. [2022-11-20 16:52:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 662 transitions. [2022-11-20 16:52:55,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 16:52:55,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:55,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:55,542 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 7 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-11-20 16:52:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 260 states and 660 transitions. [2022-11-20 16:52:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 660 transitions. [2022-11-20 16:52:59,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 16:52:59,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:59,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:53:00,524 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-20 16:53:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:53:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 260 states and 657 transitions. [2022-11-20 16:53:05,130 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 657 transitions. [2022-11-20 16:53:05,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 16:53:05,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:53:05,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:53:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:53:05,887 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-20 16:53:07,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:53:07,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 261 states and 659 transitions. [2022-11-20 16:53:07,623 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 659 transitions. [2022-11-20 16:53:07,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 16:53:07,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:53:07,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:53:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:53:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:53:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:53:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 270 states and 694 transitions. [2022-11-20 16:53:39,455 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 694 transitions. [2022-11-20 16:53:39,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 16:53:39,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:53:39,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:53:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:53:47,003 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 2 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:04,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 275 states and 714 transitions. [2022-11-20 16:54:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 714 transitions. [2022-11-20 16:54:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 16:54:04,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:04,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:05,438 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 119 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:54:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 275 states and 708 transitions. [2022-11-20 16:54:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 708 transitions. [2022-11-20 16:54:09,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 16:54:09,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:09,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-20 16:54:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 276 states and 710 transitions. [2022-11-20 16:54:11,665 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 710 transitions. [2022-11-20 16:54:11,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 16:54:11,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:11,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-11-20 16:54:16,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 276 states and 708 transitions. [2022-11-20 16:54:16,548 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 708 transitions. [2022-11-20 16:54:16,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 16:54:16,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:16,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-11-20 16:54:21,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:21,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 276 states and 704 transitions. [2022-11-20 16:54:21,454 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 704 transitions. [2022-11-20 16:54:21,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 16:54:21,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:21,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:22,067 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-11-20 16:54:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:24,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 277 states and 706 transitions. [2022-11-20 16:54:24,022 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 706 transitions. [2022-11-20 16:54:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 16:54:24,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:24,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 58 proven. 4 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-11-20 16:54:38,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:38,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 277 states and 704 transitions. [2022-11-20 16:54:38,155 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 704 transitions. [2022-11-20 16:54:38,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 16:54:38,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:38,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:44,153 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:55:10,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:55:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 286 states and 738 transitions. [2022-11-20 16:55:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 738 transitions. [2022-11-20 16:55:10,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 16:55:10,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:55:10,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:55:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:55:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 2 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:55:32,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:55:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 291 states and 758 transitions. [2022-11-20 16:55:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 758 transitions. [2022-11-20 16:55:32,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 16:55:32,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:55:32,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:55:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:55:32,925 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 147 proven. 45 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 16:55:37,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:55:37,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 293 states and 761 transitions. [2022-11-20 16:55:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 761 transitions. [2022-11-20 16:55:37,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 16:55:37,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:55:37,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:55:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:55:38,127 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 9 proven. 40 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-20 16:55:43,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:55:43,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 293 states and 759 transitions. [2022-11-20 16:55:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 759 transitions. [2022-11-20 16:55:43,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 16:55:43,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:55:43,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:55:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:55:49,600 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:17,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:17,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 302 states and 796 transitions. [2022-11-20 16:56:17,958 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 796 transitions. [2022-11-20 16:56:17,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 16:56:17,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:17,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 2 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:41,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:41,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 307 states and 816 transitions. [2022-11-20 16:56:41,019 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 816 transitions. [2022-11-20 16:56:41,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 16:56:41,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:41,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat