./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9bc953af286e9cfd29d104859de67d32500c9606def6c78f8ad113aab301f45 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:21:10,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:21:10,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:21:10,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:21:10,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:21:10,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:21:10,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:21:10,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:21:10,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:21:10,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:21:10,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:21:10,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:21:10,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:21:10,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:21:10,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:21:10,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:21:10,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:21:10,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:21:10,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:21:10,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:21:10,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:21:10,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:21:10,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:21:10,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:21:10,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:21:10,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:21:10,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:21:10,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:21:10,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:21:10,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:21:10,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:21:10,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:21:10,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:21:10,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:21:10,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:21:10,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:21:10,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:21:10,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:21:10,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:21:10,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:21:10,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:21:10,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 06:21:10,307 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:21:10,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:21:10,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:21:10,309 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:21:10,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:21:10,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:21:10,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:21:10,311 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:21:10,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:21:10,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:21:10,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:21:10,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:21:10,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:21:10,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:21:10,312 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:21:10,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:21:10,313 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:21:10,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:21:10,313 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:21:10,314 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:21:10,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:21:10,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:21:10,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:21:10,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:21:10,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:21:10,315 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:21:10,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:21:10,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:21:10,316 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_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9bc953af286e9cfd29d104859de67d32500c9606def6c78f8ad113aab301f45 [2021-11-21 06:21:10,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:21:10,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:21:10,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:21:10,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:21:10,582 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:21:10,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-21 06:21:10,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN/data/cb86b16dd/3cdaf4a4e6c74a9fb73484966454bd8f/FLAGfbc0e0412 [2021-11-21 06:21:11,175 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:21:11,176 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-21 06:21:11,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN/data/cb86b16dd/3cdaf4a4e6c74a9fb73484966454bd8f/FLAGfbc0e0412 [2021-11-21 06:21:11,481 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN/data/cb86b16dd/3cdaf4a4e6c74a9fb73484966454bd8f [2021-11-21 06:21:11,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:21:11,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:21:11,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:21:11,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:21:11,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:21:11,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:21:11" (1/1) ... [2021-11-21 06:21:11,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b6df893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:11, skipping insertion in model container [2021-11-21 06:21:11,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:21:11" (1/1) ... [2021-11-21 06:21:11,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:21:11,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:21:11,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3_overflow.ufo.UNBOUNDED.pals.c[12924,12937] [2021-11-21 06:21:11,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:21:11,883 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:21:11,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3_overflow.ufo.UNBOUNDED.pals.c[12924,12937] [2021-11-21 06:21:11,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:21:11,950 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:21:11,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:11 WrapperNode [2021-11-21 06:21:11,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:21:11,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:21:11,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:21:11,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:21:11,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:11" (1/1) ... [2021-11-21 06:21:11,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:11" (1/1) ... [2021-11-21 06:21:12,018 INFO L137 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 437 [2021-11-21 06:21:12,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:21:12,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:21:12,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:21:12,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:21:12,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:11" (1/1) ... [2021-11-21 06:21:12,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:11" (1/1) ... [2021-11-21 06:21:12,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:11" (1/1) ... [2021-11-21 06:21:12,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:11" (1/1) ... [2021-11-21 06:21:12,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:11" (1/1) ... [2021-11-21 06:21:12,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:11" (1/1) ... [2021-11-21 06:21:12,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:11" (1/1) ... [2021-11-21 06:21:12,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:21:12,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:21:12,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:21:12,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:21:12,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:11" (1/1) ... [2021-11-21 06:21:12,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:21:12,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:21:12,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:21:12,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de1a4e6-43bd-4199-aaef-ff4aed95f852/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:21:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:21:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:21:12,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:21:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:21:12,266 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:21:12,268 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:21:12,875 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:21:13,430 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:21:13,431 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 06:21:13,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:21:13 BoogieIcfgContainer [2021-11-21 06:21:13,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:21:13,435 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:21:13,435 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:21:13,446 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:21:13,446 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:21:13" (1/1) ... [2021-11-21 06:21:13,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:21:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:13,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-21 06:21:13,528 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-21 06:21:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:21:13,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:13,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:14,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:14,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:14,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-21 06:21:14,519 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-21 06:21:14,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:21:14,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:14,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2021-11-21 06:21:15,149 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2021-11-21 06:21:15,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:21:15,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:15,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:15,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:15,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-11-21 06:21:15,849 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-11-21 06:21:15,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:21:15,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:15,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2021-11-21 06:21:16,732 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2021-11-21 06:21:16,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:21:16,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:16,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:17,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:17,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2021-11-21 06:21:17,921 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2021-11-21 06:21:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 06:21:17,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:17,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:18,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:19,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:19,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2021-11-21 06:21:19,178 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2021-11-21 06:21:19,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 06:21:19,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:19,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:19,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:19,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:19,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2021-11-21 06:21:19,495 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2021-11-21 06:21:19,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:21:19,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:19,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:19,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:21,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 96 transitions. [2021-11-21 06:21:21,511 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 96 transitions. [2021-11-21 06:21:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:21:21,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:21,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:21,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:21,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:21,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2021-11-21 06:21:21,655 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2021-11-21 06:21:21,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:21:21,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:21,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:21,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:21,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 60 states and 102 transitions. [2021-11-21 06:21:21,959 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 102 transitions. [2021-11-21 06:21:21,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:21:21,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:21,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:22,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:26,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:26,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 76 states and 134 transitions. [2021-11-21 06:21:26,584 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 134 transitions. [2021-11-21 06:21:26,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:21:26,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:26,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:27,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:31,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 93 states and 169 transitions. [2021-11-21 06:21:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 169 transitions. [2021-11-21 06:21:31,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:21:31,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:31,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 94 states and 171 transitions. [2021-11-21 06:21:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 171 transitions. [2021-11-21 06:21:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:21:31,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:31,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 112 states and 207 transitions. [2021-11-21 06:21:37,937 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 207 transitions. [2021-11-21 06:21:37,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:21:37,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:37,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:38,196 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:38,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:38,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 113 states and 211 transitions. [2021-11-21 06:21:38,608 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 211 transitions. [2021-11-21 06:21:38,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:21:38,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:38,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:38,890 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:39,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:39,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 114 states and 212 transitions. [2021-11-21 06:21:39,256 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 212 transitions. [2021-11-21 06:21:39,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:21:39,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:39,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:45,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:45,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 128 states and 239 transitions. [2021-11-21 06:21:45,744 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 239 transitions. [2021-11-21 06:21:45,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:21:45,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:45,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:46,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:46,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 129 states and 240 transitions. [2021-11-21 06:21:46,366 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 240 transitions. [2021-11-21 06:21:46,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:21:46,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:46,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:47,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 131 states and 247 transitions. [2021-11-21 06:21:47,445 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 247 transitions. [2021-11-21 06:21:47,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:21:47,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:47,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:47,657 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:48,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:48,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 132 states and 248 transitions. [2021-11-21 06:21:48,125 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 248 transitions. [2021-11-21 06:21:48,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:21:48,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:48,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 151 states and 282 transitions. [2021-11-21 06:21:55,736 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 282 transitions. [2021-11-21 06:21:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:21:55,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:55,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:57,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:57,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 153 states and 287 transitions. [2021-11-21 06:21:57,094 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 287 transitions. [2021-11-21 06:21:57,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:21:57,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:57,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:57,365 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:58,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:58,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 155 states and 289 transitions. [2021-11-21 06:21:58,350 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 289 transitions. [2021-11-21 06:21:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:21:58,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:58,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:58,657 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:59,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:59,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 156 states and 290 transitions. [2021-11-21 06:21:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 290 transitions. [2021-11-21 06:21:59,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:21:59,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:59,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:59,472 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:00,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:00,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 157 states and 291 transitions. [2021-11-21 06:22:00,125 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 291 transitions. [2021-11-21 06:22:00,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:22:00,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:00,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:00,450 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:00,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:00,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 158 states and 294 transitions. [2021-11-21 06:22:00,986 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 294 transitions. [2021-11-21 06:22:00,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:22:00,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:00,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:01,603 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:05,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:05,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 170 states and 322 transitions. [2021-11-21 06:22:05,968 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 322 transitions. [2021-11-21 06:22:05,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:22:05,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:05,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:06,238 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:08,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 175 states and 339 transitions. [2021-11-21 06:22:08,543 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 339 transitions. [2021-11-21 06:22:08,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:22:08,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:08,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:09,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:14,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:14,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 183 states and 356 transitions. [2021-11-21 06:22:14,572 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 356 transitions. [2021-11-21 06:22:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 06:22:14,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:14,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:28,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 211 states and 431 transitions. [2021-11-21 06:22:28,960 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 431 transitions. [2021-11-21 06:22:28,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:22:28,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:28,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:37,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 222 states and 450 transitions. [2021-11-21 06:22:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 450 transitions. [2021-11-21 06:22:37,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:22:37,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:37,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:38,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 223 states and 456 transitions. [2021-11-21 06:22:38,767 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 456 transitions. [2021-11-21 06:22:38,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:22:38,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:38,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:38,992 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:43,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:43,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 232 states and 483 transitions. [2021-11-21 06:22:43,752 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 483 transitions. [2021-11-21 06:22:43,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 06:22:43,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:43,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:44,786 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:48,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:48,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 237 states and 492 transitions. [2021-11-21 06:22:48,476 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 492 transitions. [2021-11-21 06:22:48,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 06:22:48,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:48,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:53,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:53,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 245 states and 514 transitions. [2021-11-21 06:22:53,412 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 514 transitions. [2021-11-21 06:22:53,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 06:22:53,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:53,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:54,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:54,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 246 states and 519 transitions. [2021-11-21 06:22:54,551 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 519 transitions. [2021-11-21 06:22:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 06:22:54,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:54,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:56,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 248 states and 527 transitions. [2021-11-21 06:22:56,352 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 527 transitions. [2021-11-21 06:22:56,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 06:22:56,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:56,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:04,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 258 states and 552 transitions. [2021-11-21 06:23:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 552 transitions. [2021-11-21 06:23:04,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 06:23:04,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:04,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:05,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:05,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 259 states and 556 transitions. [2021-11-21 06:23:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 556 transitions. [2021-11-21 06:23:05,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 06:23:05,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:05,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:05,989 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:07,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 261 states and 565 transitions. [2021-11-21 06:23:07,415 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 565 transitions. [2021-11-21 06:23:07,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 06:23:07,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:07,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 266 states and 584 transitions. [2021-11-21 06:23:14,687 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 584 transitions. [2021-11-21 06:23:14,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 06:23:14,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:14,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:14,996 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:15,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 267 states and 586 transitions. [2021-11-21 06:23:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 586 transitions. [2021-11-21 06:23:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 06:23:15,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:15,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 269 states and 597 transitions. [2021-11-21 06:23:17,796 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 597 transitions. [2021-11-21 06:23:17,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:23:17,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:17,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:18,944 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:24,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:24,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 278 states and 614 transitions. [2021-11-21 06:23:24,553 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 614 transitions. [2021-11-21 06:23:24,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:23:24,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:24,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:26,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:26,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 280 states and 622 transitions. [2021-11-21 06:23:26,742 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 622 transitions. [2021-11-21 06:23:26,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:23:26,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:26,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:28,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:28,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 281 states and 623 transitions. [2021-11-21 06:23:28,158 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 623 transitions. [2021-11-21 06:23:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:23:28,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:28,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:28,392 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:30,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:30,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 284 states and 635 transitions. [2021-11-21 06:23:30,623 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 635 transitions. [2021-11-21 06:23:30,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:23:30,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:30,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:30,840 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 287 states and 647 transitions. [2021-11-21 06:23:33,297 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 647 transitions. [2021-11-21 06:23:33,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 06:23:33,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:33,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:35,087 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:40,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 290 states and 656 transitions. [2021-11-21 06:23:40,035 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 656 transitions. [2021-11-21 06:23:40,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 06:23:40,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:40,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:40,386 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:44,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:44,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 295 states and 672 transitions. [2021-11-21 06:23:44,582 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 672 transitions. [2021-11-21 06:23:44,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 06:23:44,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:44,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:44,934 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:48,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 299 states and 686 transitions. [2021-11-21 06:23:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 686 transitions. [2021-11-21 06:23:48,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 06:23:48,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:48,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:48,433 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:50,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:50,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 302 states and 697 transitions. [2021-11-21 06:23:50,462 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 697 transitions. [2021-11-21 06:23:50,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 06:23:50,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:50,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat