./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ --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 052aa366c05075bf32d0b6fa176a2f7194f524315c85e0eaee7e4a343f477db5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:46:04,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:46:04,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:46:04,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:46:04,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:46:04,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:46:04,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:46:04,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:46:04,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:46:04,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:46:04,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:46:04,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:46:04,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:46:04,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:46:04,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:46:04,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:46:04,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:46:04,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:46:04,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:46:04,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:46:04,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:46:04,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:46:04,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:46:04,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:46:04,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:46:04,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:46:04,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:46:04,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:46:04,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:46:04,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:46:04,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:46:04,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:46:04,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:46:04,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:46:04,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:46:04,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:46:04,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:46:04,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:46:04,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:46:04,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:46:04,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:46:04,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:46:04,700 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:46:04,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:46:04,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:46:04,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:46:04,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:46:04,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:46:04,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:46:04,704 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:46:04,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:46:04,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:46:04,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:46:04,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:46:04,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:46:04,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:46:04,713 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:46:04,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:46:04,714 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:46:04,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:46:04,714 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:46:04,714 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:46:04,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:46:04,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:46:04,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:46:04,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:46:04,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:46:04,716 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:46:04,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:46:04,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:46:04,717 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_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 052aa366c05075bf32d0b6fa176a2f7194f524315c85e0eaee7e4a343f477db5 [2021-11-23 01:46:05,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:46:05,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:46:05,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:46:05,058 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:46:05,059 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:46:05,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c [2021-11-23 01:46:05,130 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ/data/6397f8770/11d8b421fe9d487bbd5e5165f141b22c/FLAGb69a58aab [2021-11-23 01:46:05,605 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:46:05,615 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c [2021-11-23 01:46:05,625 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ/data/6397f8770/11d8b421fe9d487bbd5e5165f141b22c/FLAGb69a58aab [2021-11-23 01:46:05,988 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ/data/6397f8770/11d8b421fe9d487bbd5e5165f141b22c [2021-11-23 01:46:05,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:46:05,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:46:05,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:46:05,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:46:05,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:46:05,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:05" (1/1) ... [2021-11-23 01:46:06,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bdd913c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:06, skipping insertion in model container [2021-11-23 01:46:06,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:05" (1/1) ... [2021-11-23 01:46:06,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:46:06,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:46:06,155 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_7f38a448-791e-4eff-a6f7-e0aff909a84b/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c[489,502] [2021-11-23 01:46:06,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:46:06,182 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:46:06,192 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_7f38a448-791e-4eff-a6f7-e0aff909a84b/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c[489,502] [2021-11-23 01:46:06,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:46:06,214 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:46:06,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:06 WrapperNode [2021-11-23 01:46:06,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:46:06,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:46:06,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:46:06,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:46:06,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:06" (1/1) ... [2021-11-23 01:46:06,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:06" (1/1) ... [2021-11-23 01:46:06,249 INFO L137 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2021-11-23 01:46:06,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:46:06,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:46:06,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:46:06,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:46:06,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:06" (1/1) ... [2021-11-23 01:46:06,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:06" (1/1) ... [2021-11-23 01:46:06,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:06" (1/1) ... [2021-11-23 01:46:06,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:06" (1/1) ... [2021-11-23 01:46:06,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:06" (1/1) ... [2021-11-23 01:46:06,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:06" (1/1) ... [2021-11-23 01:46:06,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:06" (1/1) ... [2021-11-23 01:46:06,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:46:06,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:46:06,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:46:06,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:46:06,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:06" (1/1) ... [2021-11-23 01:46:06,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:46:06,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:46:06,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:46:06,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f38a448-791e-4eff-a6f7-e0aff909a84b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:46:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:46:06,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:46:06,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:46:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:46:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:46:06,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:46:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:46:06,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:46:06,450 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:46:06,452 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:46:06,589 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:46:06,618 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:46:06,618 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:46:06,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:06 BoogieIcfgContainer [2021-11-23 01:46:06,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:46:06,622 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:46:06,622 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:46:06,637 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:46:06,637 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:06" (1/1) ... [2021-11-23 01:46:06,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:46:06,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2021-11-23 01:46:06,702 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2021-11-23 01:46:06,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:46:06,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:06,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:06,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:46:06,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:07,114 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:46:07,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:07,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2021-11-23 01:46:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2021-11-23 01:46:07,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:46:07,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:07,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:07,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:46:07,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:46:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:07,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2021-11-23 01:46:07,706 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2021-11-23 01:46:07,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:46:07,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:07,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:07,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:46:07,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:07,846 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:46:07,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:07,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2021-11-23 01:46:07,860 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2021-11-23 01:46:07,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:46:07,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:07,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:07,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:46:07,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:46:08,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:08,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2021-11-23 01:46:08,002 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2021-11-23 01:46:08,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:46:08,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:08,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:08,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:46:08,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:46:08,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:08,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2021-11-23 01:46:08,909 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2021-11-23 01:46:08,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:46:08,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:08,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:08,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:46:08,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:46:09,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:09,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2021-11-23 01:46:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2021-11-23 01:46:09,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:46:09,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:09,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:09,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:46:09,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:09,235 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:46:09,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2021-11-23 01:46:09,541 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2021-11-23 01:46:09,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:46:09,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:09,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:09,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:46:09,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:46:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:10,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 94 transitions. [2021-11-23 01:46:10,186 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2021-11-23 01:46:10,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:46:10,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:10,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:10,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:46:10,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:10,528 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:46:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 80 transitions. [2021-11-23 01:46:10,893 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2021-11-23 01:46:10,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:46:10,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:10,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:10,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:46:10,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:11,024 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:46:11,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:11,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 79 transitions. [2021-11-23 01:46:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2021-11-23 01:46:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:46:11,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:11,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:11,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:46:11,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:46:12,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 49 states and 106 transitions. [2021-11-23 01:46:12,556 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 106 transitions. [2021-11-23 01:46:12,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:46:12,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:12,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:12,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:12,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:12,809 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 01:46:13,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:13,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 53 states and 116 transitions. [2021-11-23 01:46:13,592 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 116 transitions. [2021-11-23 01:46:13,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:46:13,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:13,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:13,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:46:13,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:13,963 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:14,608 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:46:16,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 57 states and 129 transitions. [2021-11-23 01:46:16,788 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 129 transitions. [2021-11-23 01:46:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:46:16,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:16,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:16,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:46:16,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:17,363 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:46:17,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:17,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 61 states and 137 transitions. [2021-11-23 01:46:17,984 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 137 transitions. [2021-11-23 01:46:17,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:46:17,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:17,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:18,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:46:18,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:18,385 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:46:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:20,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 64 states and 143 transitions. [2021-11-23 01:46:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 143 transitions. [2021-11-23 01:46:20,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:46:20,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:20,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:20,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:46:20,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:46:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:23,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 68 states and 154 transitions. [2021-11-23 01:46:23,417 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 154 transitions. [2021-11-23 01:46:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:46:23,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:23,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:23,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:46:23,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:46:26,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 72 states and 165 transitions. [2021-11-23 01:46:26,139 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 165 transitions. [2021-11-23 01:46:26,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:46:26,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:26,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:26,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:46:26,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:46:34,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 76 states and 175 transitions. [2021-11-23 01:46:34,366 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 175 transitions. [2021-11-23 01:46:34,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:46:34,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:34,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:34,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:46:34,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:35,629 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:46:38,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:38,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 80 states and 195 transitions. [2021-11-23 01:46:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 195 transitions. [2021-11-23 01:46:38,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:46:38,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:38,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:38,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:46:38,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:46:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 81 states and 197 transitions. [2021-11-23 01:46:39,480 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 197 transitions. [2021-11-23 01:46:39,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:46:39,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:39,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:39,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:46:39,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:40,094 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:46:40,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:40,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 82 states and 199 transitions. [2021-11-23 01:46:40,733 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 199 transitions. [2021-11-23 01:46:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:46:40,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:40,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:40,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:40,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:40,851 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-23 01:46:41,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:41,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 84 states and 207 transitions. [2021-11-23 01:46:41,900 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 207 transitions. [2021-11-23 01:46:41,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:46:41,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:41,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:41,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:41,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-23 01:46:42,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 208 transitions. [2021-11-23 01:46:42,474 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 208 transitions. [2021-11-23 01:46:42,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:46:42,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:42,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:42,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:42,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-23 01:46:43,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:43,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 86 states and 209 transitions. [2021-11-23 01:46:43,055 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 209 transitions. [2021-11-23 01:46:43,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:46:43,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:43,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:43,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:46:43,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-23 01:47:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 90 states and 227 transitions. [2021-11-23 01:47:08,823 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 227 transitions. [2021-11-23 01:47:08,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:47:08,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:08,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:08,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:47:08,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:10,166 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-23 01:47:10,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:10,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 91 states and 228 transitions. [2021-11-23 01:47:10,359 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 228 transitions. [2021-11-23 01:47:10,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:47:10,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:10,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:10,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:47:10,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:11,678 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-23 01:47:12,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:12,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 93 states and 232 transitions. [2021-11-23 01:47:12,716 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 232 transitions. [2021-11-23 01:47:12,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:47:12,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:12,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:12,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:47:12,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:14,874 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:47:22,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:22,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 97 states and 247 transitions. [2021-11-23 01:47:22,722 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 247 transitions. [2021-11-23 01:47:22,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:47:22,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:22,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:22,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:47:22,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:24,078 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:47:24,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:24,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 99 states and 250 transitions. [2021-11-23 01:47:24,897 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 250 transitions. [2021-11-23 01:47:24,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:47:24,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:24,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:24,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:47:24,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:26,330 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:47:27,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:27,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 100 states and 252 transitions. [2021-11-23 01:47:27,894 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 252 transitions. [2021-11-23 01:47:27,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:47:27,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:27,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:27,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:47:27,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:29,282 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:47:31,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:31,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 101 states and 253 transitions. [2021-11-23 01:47:31,351 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 253 transitions. [2021-11-23 01:47:31,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:47:31,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:31,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:31,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:47:31,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-23 01:47:40,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:40,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 105 states and 275 transitions. [2021-11-23 01:47:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 275 transitions. [2021-11-23 01:47:40,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:47:40,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:40,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:40,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:47:40,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:42,096 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-23 01:47:45,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:45,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 107 states and 279 transitions. [2021-11-23 01:47:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 279 transitions. [2021-11-23 01:47:45,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:47:45,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:45,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:45,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:47:45,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:46,559 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-23 01:47:47,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 108 states and 281 transitions. [2021-11-23 01:47:47,477 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 281 transitions. [2021-11-23 01:47:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:47:47,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:47,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:47,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:47:47,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:47,653 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-11-23 01:47:51,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:51,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 110 states and 290 transitions. [2021-11-23 01:47:51,907 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 290 transitions. [2021-11-23 01:47:51,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:47:51,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:51,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:51,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:47:51,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:52,037 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-11-23 01:47:52,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 111 states and 291 transitions. [2021-11-23 01:47:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 291 transitions. [2021-11-23 01:47:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:47:52,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:52,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:52,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:47:52,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-11-23 01:47:53,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:53,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 292 transitions. [2021-11-23 01:47:53,614 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 292 transitions. [2021-11-23 01:47:53,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:47:53,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:53,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:53,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:47:53,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:59,861 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-11-23 01:48:42,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:42,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 116 states and 312 transitions. [2021-11-23 01:48:42,637 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 312 transitions. [2021-11-23 01:48:42,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:48:42,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:42,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:42,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:48:42,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:46,143 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-11-23 01:48:48,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:48,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 118 states and 316 transitions. [2021-11-23 01:48:48,676 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 316 transitions. [2021-11-23 01:48:48,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:48:48,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:48,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:48,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:48:48,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:57,062 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 01:49:15,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 122 states and 332 transitions. [2021-11-23 01:49:15,779 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 332 transitions. [2021-11-23 01:49:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:49:15,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:15,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:15,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:49:15,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 01:49:27,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:27,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 125 states and 339 transitions. [2021-11-23 01:49:27,706 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 339 transitions. [2021-11-23 01:49:27,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:49:27,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:27,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:27,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:49:27,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:41,329 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 25 proven. 27 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2021-11-23 01:51:09,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:09,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 143 states and 386 transitions. [2021-11-23 01:51:09,477 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 386 transitions. [2021-11-23 01:51:09,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:51:09,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:09,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:09,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:51:09,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:15,403 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 01:51:21,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:21,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 144 states and 388 transitions. [2021-11-23 01:51:21,953 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 388 transitions. [2021-11-23 01:51:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:51:21,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:21,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:22,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:51:22,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:30,581 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 01:51:38,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:38,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 145 states and 389 transitions. [2021-11-23 01:51:38,512 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 389 transitions. [2021-11-23 01:51:38,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:51:38,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:38,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:38,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:51:38,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-23 01:52:06,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:06,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 149 states and 413 transitions. [2021-11-23 01:52:06,730 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 413 transitions. [2021-11-23 01:52:06,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:52:06,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:06,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:06,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:52:06,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-23 01:52:18,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:18,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 150 states and 417 transitions. [2021-11-23 01:52:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 417 transitions. [2021-11-23 01:52:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:52:18,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:18,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:18,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:52:18,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:24,551 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-23 01:52:28,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:28,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 151 states and 418 transitions. [2021-11-23 01:52:28,219 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 418 transitions. [2021-11-23 01:52:28,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:52:28,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:28,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:28,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:52:28,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-23 01:52:38,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:38,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 152 states and 420 transitions. [2021-11-23 01:52:38,646 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 420 transitions. [2021-11-23 01:52:38,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:52:38,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:38,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:38,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:52:38,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-23 01:52:49,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 153 states and 422 transitions. [2021-11-23 01:52:49,485 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 422 transitions. [2021-11-23 01:52:49,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:52:49,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:49,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:49,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:52:49,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-23 01:53:01,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:01,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 154 states and 423 transitions. [2021-11-23 01:53:01,951 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 423 transitions. [2021-11-23 01:53:01,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:53:01,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:01,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:01,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:01,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:53:11,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:11,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 156 states and 433 transitions. [2021-11-23 01:53:11,479 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 433 transitions. [2021-11-23 01:53:11,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:53:11,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:11,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:11,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:11,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:11,648 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:53:17,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 157 states and 434 transitions. [2021-11-23 01:53:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 434 transitions. [2021-11-23 01:53:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:53:17,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:17,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:17,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:17,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:18,020 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:53:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 158 states and 435 transitions. [2021-11-23 01:53:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 435 transitions. [2021-11-23 01:53:22,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:53:22,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:22,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:22,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:22,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:53:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:26,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 159 states and 436 transitions. [2021-11-23 01:53:26,492 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 436 transitions. [2021-11-23 01:53:26,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:53:26,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:26,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:26,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:53:26,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:13,506 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 76 proven. 62 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2021-11-23 01:55:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 163 states and 458 transitions. [2021-11-23 01:55:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 458 transitions. [2021-11-23 01:55:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:55:54,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:54,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:54,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 01:55:54,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:51,619 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 46 proven. 58 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-11-23 01:58:58,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:58:58,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 177 states and 495 transitions. [2021-11-23 01:58:58,457 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 495 transitions. [2021-11-23 01:58:58,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:58:58,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:58:58,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:58,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:58:58,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:59:34,404 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-11-23 01:59:47,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:59:47,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 179 states and 499 transitions. [2021-11-23 01:59:47,970 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 499 transitions. [2021-11-23 01:59:47,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 01:59:47,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:59:47,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:48,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:59:48,264 INFO L286 TraceCheckSpWp]: Computing forward predicates...