./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI --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 1619c1c02ba7c9b660af32e6427e3b3d5cd6ca3ff286b9db386918ae0c8b508c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:27:43,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:27:43,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:27:43,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:27:43,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:27:43,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:27:43,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:27:43,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:27:43,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:27:43,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:27:43,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:27:43,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:27:43,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:27:43,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:27:43,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:27:43,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:27:43,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:27:43,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:27:43,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:27:43,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:27:43,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:27:43,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:27:43,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:27:43,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:27:43,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:27:43,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:27:43,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:27:43,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:27:43,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:27:43,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:27:43,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:27:43,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:27:43,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:27:43,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:27:43,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:27:43,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:27:43,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:27:43,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:27:43,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:27:43,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:27:43,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:27:43,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:27:43,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:27:43,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:27:43,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:27:43,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:27:43,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:27:43,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:27:43,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:27:43,513 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:27:43,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:27:43,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:27:43,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:27:43,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:27:43,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:27:43,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:27:43,522 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:27:43,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:27:43,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:27:43,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:27:43,523 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:27:43,523 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:27:43,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:27:43,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:27:43,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:27:43,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:27:43,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:27:43,524 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:27:43,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:27:43,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:27:43,525 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_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1619c1c02ba7c9b660af32e6427e3b3d5cd6ca3ff286b9db386918ae0c8b508c [2021-10-29 04:27:43,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:27:43,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:27:43,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:27:43,893 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:27:43,893 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:27:43,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2021-10-29 04:27:43,964 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/data/9ed5d0885/3b18fd65cf304158ae466229d28bd151/FLAG5d3cf35fd [2021-10-29 04:27:44,379 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:27:44,380 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2021-10-29 04:27:44,386 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/data/9ed5d0885/3b18fd65cf304158ae466229d28bd151/FLAG5d3cf35fd [2021-10-29 04:27:44,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/data/9ed5d0885/3b18fd65cf304158ae466229d28bd151 [2021-10-29 04:27:44,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:27:44,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:27:44,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:27:44,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:27:44,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:27:44,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:27:44" (1/1) ... [2021-10-29 04:27:44,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47bc0493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:44, skipping insertion in model container [2021-10-29 04:27:44,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:27:44" (1/1) ... [2021-10-29 04:27:44,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:27:44,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:27:45,076 WARN L228 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_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c[526,539] [2021-10-29 04:27:45,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:27:45,133 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:27:45,149 WARN L228 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_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c[526,539] [2021-10-29 04:27:45,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:27:45,186 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:27:45,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:45 WrapperNode [2021-10-29 04:27:45,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:27:45,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:27:45,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:27:45,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:27:45,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:45" (1/1) ... [2021-10-29 04:27:45,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:45" (1/1) ... [2021-10-29 04:27:45,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:27:45,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:27:45,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:27:45,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:27:45,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:45" (1/1) ... [2021-10-29 04:27:45,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:45" (1/1) ... [2021-10-29 04:27:45,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:45" (1/1) ... [2021-10-29 04:27:45,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:45" (1/1) ... [2021-10-29 04:27:45,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:45" (1/1) ... [2021-10-29 04:27:45,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:45" (1/1) ... [2021-10-29 04:27:45,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:45" (1/1) ... [2021-10-29 04:27:45,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:27:45,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:27:45,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:27:45,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:27:45,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:45" (1/1) ... [2021-10-29 04:27:45,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:27:45,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:27:45,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:27:45,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:27:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:27:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:27:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:27:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:27:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:27:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:27:45,715 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:27:45,715 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-29 04:27:45,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:27:45 BoogieIcfgContainer [2021-10-29 04:27:45,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:27:45,719 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:27:45,734 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:27:45,744 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:27:45,745 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:27:45" (1/1) ... [2021-10-29 04:27:45,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:27:45,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:45,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-10-29 04:27:45,800 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-10-29 04:27:45,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:27:45,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:45,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:46,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:46,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:46,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2021-10-29 04:27:46,143 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2021-10-29 04:27:46,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:27:46,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:46,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:46,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:46,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2021-10-29 04:27:46,441 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2021-10-29 04:27:46,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:27:46,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:46,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:46,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:27:46,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:46,838 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:27:47,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:47,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 49 transitions. [2021-10-29 04:27:47,122 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2021-10-29 04:27:47,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 04:27:47,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:47,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:47,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:27:47,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:47,465 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:27:47,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:47,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 55 transitions. [2021-10-29 04:27:47,690 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2021-10-29 04:27:47,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:27:47,693 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:47,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:47,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:27:47,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 04:27:48,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 63 transitions. [2021-10-29 04:27:48,237 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-10-29 04:27:48,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:27:48,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:48,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:48,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 04:27:48,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:48,524 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 04:27:49,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:49,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 73 transitions. [2021-10-29 04:27:49,149 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2021-10-29 04:27:49,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 04:27:49,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:49,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:49,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:27:49,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:49,354 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 04:27:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 82 transitions. [2021-10-29 04:27:49,517 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2021-10-29 04:27:49,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 04:27:49,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:49,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:49,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 04:27:49,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 04:27:50,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:50,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 50 states and 90 transitions. [2021-10-29 04:27:50,063 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2021-10-29 04:27:50,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 04:27:50,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:50,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:50,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:27:50,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:50,265 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 04:27:50,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 91 transitions. [2021-10-29 04:27:50,499 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2021-10-29 04:27:50,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 04:27:50,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:50,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:50,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:27:50,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-29 04:27:50,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:50,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 51 states and 90 transitions. [2021-10-29 04:27:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2021-10-29 04:27:50,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 04:27:50,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:50,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:50,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-29 04:27:50,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 04:27:52,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:52,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 56 states and 100 transitions. [2021-10-29 04:27:52,043 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2021-10-29 04:27:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 04:27:52,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:52,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:52,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 04:27:52,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:52,714 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 04:27:53,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:53,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 62 states and 115 transitions. [2021-10-29 04:27:53,604 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2021-10-29 04:27:53,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 04:27:53,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:53,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:53,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-29 04:27:53,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-29 04:27:54,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:54,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 64 states and 120 transitions. [2021-10-29 04:27:54,119 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2021-10-29 04:27:54,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 04:27:54,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:54,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:54,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:27:54,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:54,419 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-10-29 04:27:54,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:54,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 64 states and 119 transitions. [2021-10-29 04:27:54,619 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 119 transitions. [2021-10-29 04:27:54,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 04:27:54,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:54,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:54,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-29 04:27:54,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-10-29 04:27:56,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:56,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 67 states and 125 transitions. [2021-10-29 04:27:56,125 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2021-10-29 04:27:56,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-29 04:27:56,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:56,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:56,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 04:27:56,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 04:27:57,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:57,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 72 states and 135 transitions. [2021-10-29 04:27:57,389 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 135 transitions. [2021-10-29 04:27:57,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-29 04:27:57,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:57,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:57,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 04:27:57,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:57,757 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 04:27:58,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:58,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 72 states and 134 transitions. [2021-10-29 04:27:58,110 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 134 transitions. [2021-10-29 04:27:58,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-10-29 04:27:58,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:58,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:58,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 04:27:58,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 04:27:59,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:59,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 78 states and 149 transitions. [2021-10-29 04:27:59,800 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 149 transitions. [2021-10-29 04:27:59,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 04:27:59,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:59,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:59,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-29 04:27:59,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:00,557 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 04:28:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:00,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 80 states and 154 transitions. [2021-10-29 04:28:00,964 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 154 transitions. [2021-10-29 04:28:00,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 04:28:00,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:00,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:01,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:28:01,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:01,351 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-10-29 04:28:01,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:01,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 80 states and 153 transitions. [2021-10-29 04:28:01,607 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2021-10-29 04:28:01,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-29 04:28:01,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:01,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:01,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:28:01,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 41 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 04:28:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 82 states and 163 transitions. [2021-10-29 04:28:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 163 transitions. [2021-10-29 04:28:03,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-29 04:28:03,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:03,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:03,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-29 04:28:03,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:04,188 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 58 proven. 27 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-10-29 04:28:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:05,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 92 states and 187 transitions. [2021-10-29 04:28:05,653 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 187 transitions. [2021-10-29 04:28:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 04:28:05,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:05,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:05,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 04:28:05,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 28 proven. 46 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 04:28:07,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:07,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 97 states and 198 transitions. [2021-10-29 04:28:07,926 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 198 transitions. [2021-10-29 04:28:07,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-29 04:28:07,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:07,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:07,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 04:28:07,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:08,527 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 04:28:09,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:09,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 99 states and 203 transitions. [2021-10-29 04:28:09,013 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 203 transitions. [2021-10-29 04:28:09,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-29 04:28:09,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:09,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:09,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 04:28:09,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 04:28:10,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:10,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 101 states and 208 transitions. [2021-10-29 04:28:10,324 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 208 transitions. [2021-10-29 04:28:10,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-29 04:28:10,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:10,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:10,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 04:28:10,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:11,140 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 28 proven. 32 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 04:28:12,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 107 states and 225 transitions. [2021-10-29 04:28:12,683 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 225 transitions. [2021-10-29 04:28:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 04:28:12,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:12,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:12,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 04:28:12,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:13,297 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-10-29 04:28:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:13,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 109 states and 230 transitions. [2021-10-29 04:28:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 230 transitions. [2021-10-29 04:28:13,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 04:28:13,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:13,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:13,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 04:28:13,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:14,246 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2021-10-29 04:28:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:15,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 112 states and 241 transitions. [2021-10-29 04:28:15,286 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 241 transitions. [2021-10-29 04:28:15,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-29 04:28:15,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:15,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:15,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 04:28:15,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-10-29 04:28:18,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 117 states and 251 transitions. [2021-10-29 04:28:19,000 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 251 transitions. [2021-10-29 04:28:19,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-29 04:28:19,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:19,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:19,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:28:19,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:19,264 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 77 proven. 4 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2021-10-29 04:28:19,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:19,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 120 states and 259 transitions. [2021-10-29 04:28:19,986 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 259 transitions. [2021-10-29 04:28:19,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-29 04:28:19,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:19,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:20,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-29 04:28:20,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 32 proven. 27 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 04:28:22,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 120 states and 258 transitions. [2021-10-29 04:28:22,323 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 258 transitions. [2021-10-29 04:28:22,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-10-29 04:28:22,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:22,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:22,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-29 04:28:22,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 04:28:25,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:25,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 124 states and 271 transitions. [2021-10-29 04:28:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 271 transitions. [2021-10-29 04:28:25,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 04:28:25,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:25,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:25,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 04:28:25,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:25,681 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 34 proven. 70 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 04:28:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:27,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 129 states and 283 transitions. [2021-10-29 04:28:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 283 transitions. [2021-10-29 04:28:27,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 04:28:27,674 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:27,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:27,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 04:28:27,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:28,161 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 34 proven. 70 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 04:28:28,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:28,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 130 states and 284 transitions. [2021-10-29 04:28:28,709 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 284 transitions. [2021-10-29 04:28:28,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-29 04:28:28,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:28,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:28,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-29 04:28:28,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:29,482 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 34 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 04:28:30,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:30,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 132 states and 289 transitions. [2021-10-29 04:28:30,035 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 289 transitions. [2021-10-29 04:28:30,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-29 04:28:30,036 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:30,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:30,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-29 04:28:30,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:30,702 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 34 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 04:28:31,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:31,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 134 states and 294 transitions. [2021-10-29 04:28:31,216 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 294 transitions. [2021-10-29 04:28:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-29 04:28:31,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:31,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:31,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 04:28:31,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:32,229 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 34 proven. 52 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 04:28:35,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:35,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 145 states and 319 transitions. [2021-10-29 04:28:35,132 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 319 transitions. [2021-10-29 04:28:35,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-29 04:28:35,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:35,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:35,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 04:28:35,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 36 proven. 53 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-10-29 04:28:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 147 states and 324 transitions. [2021-10-29 04:28:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 324 transitions. [2021-10-29 04:28:37,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-29 04:28:37,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:37,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:37,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 04:28:37,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:37,688 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2021-10-29 04:28:38,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:38,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 147 states and 323 transitions. [2021-10-29 04:28:38,152 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 323 transitions. [2021-10-29 04:28:38,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-10-29 04:28:38,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:38,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:38,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 42 conjunts are in the unsatisfiable core [2021-10-29 04:28:38,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-10-29 04:28:45,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:45,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 161 states and 356 transitions. [2021-10-29 04:28:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 356 transitions. [2021-10-29 04:28:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-10-29 04:28:45,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:45,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:45,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 42 conjunts are in the unsatisfiable core [2021-10-29 04:28:45,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-10-29 04:28:47,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:47,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 163 states and 359 transitions. [2021-10-29 04:28:47,900 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 359 transitions. [2021-10-29 04:28:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 04:28:47,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:47,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:48,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-29 04:28:48,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 38 proven. 51 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-10-29 04:28:50,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:50,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 165 states and 364 transitions. [2021-10-29 04:28:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 364 transitions. [2021-10-29 04:28:50,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 04:28:50,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:50,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:50,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-29 04:28:50,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:51,050 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 40 proven. 103 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-10-29 04:28:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:51,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 167 states and 369 transitions. [2021-10-29 04:28:51,665 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 369 transitions. [2021-10-29 04:28:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 04:28:51,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:51,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:51,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-29 04:28:51,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:52,557 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 38 proven. 51 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-10-29 04:28:53,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:53,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 169 states and 374 transitions. [2021-10-29 04:28:53,323 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 374 transitions. [2021-10-29 04:28:53,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 04:28:53,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:53,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:53,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-29 04:28:53,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:28:54,680 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 38 proven. 58 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-10-29 04:28:58,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:58,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 173 states and 387 transitions. [2021-10-29 04:28:58,862 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 387 transitions. [2021-10-29 04:28:58,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-29 04:28:58,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:28:58,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:28:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:28:58,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-29 04:28:58,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:01,264 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-10-29 04:29:07,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:07,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 178 states and 397 transitions. [2021-10-29 04:29:07,038 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 397 transitions. [2021-10-29 04:29:07,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-29 04:29:07,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:07,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:07,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-29 04:29:07,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:07,758 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-10-29 04:29:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:08,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 155 states and 328 transitions. [2021-10-29 04:29:08,920 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 328 transitions. [2021-10-29 04:29:08,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-10-29 04:29:08,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:08,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:09,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-29 04:29:09,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-10-29 04:29:10,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:10,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 157 states and 332 transitions. [2021-10-29 04:29:10,433 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 332 transitions. [2021-10-29 04:29:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-10-29 04:29:10,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:10,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:10,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-29 04:29:10,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:11,274 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-10-29 04:29:12,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 159 states and 336 transitions. [2021-10-29 04:29:12,080 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 336 transitions. [2021-10-29 04:29:12,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-10-29 04:29:12,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:12,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:12,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-29 04:29:12,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-10-29 04:29:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 164 states and 350 transitions. [2021-10-29 04:29:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 350 transitions. [2021-10-29 04:29:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-29 04:29:19,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:19,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:19,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 44 conjunts are in the unsatisfiable core [2021-10-29 04:29:19,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:22,738 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 40 proven. 54 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-10-29 04:29:30,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 169 states and 361 transitions. [2021-10-29 04:29:30,078 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 361 transitions. [2021-10-29 04:29:30,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-29 04:29:30,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:30,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:30,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 44 conjunts are in the unsatisfiable core [2021-10-29 04:29:30,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 40 proven. 54 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-10-29 04:29:32,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 171 states and 364 transitions. [2021-10-29 04:29:32,981 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 364 transitions. [2021-10-29 04:29:32,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-10-29 04:29:32,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:32,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:33,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-29 04:29:33,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:34,496 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 42 proven. 78 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:29:36,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:36,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 173 states and 368 transitions. [2021-10-29 04:29:36,236 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 368 transitions. [2021-10-29 04:29:36,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-29 04:29:36,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:36,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:36,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 04:29:36,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 42 proven. 54 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:29:39,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 173 states and 367 transitions. [2021-10-29 04:29:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 367 transitions. [2021-10-29 04:29:39,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-29 04:29:39,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:39,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:40,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-29 04:29:40,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 42 proven. 68 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:29:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 179 states and 384 transitions. [2021-10-29 04:29:49,677 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 384 transitions. [2021-10-29 04:29:49,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-10-29 04:29:49,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:49,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:49,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 42 conjunts are in the unsatisfiable core [2021-10-29 04:29:49,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:50,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 44 proven. 71 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 04:29:51,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:51,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 181 states and 388 transitions. [2021-10-29 04:29:51,847 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 388 transitions. [2021-10-29 04:29:51,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-10-29 04:29:51,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:51,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:51,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 42 conjunts are in the unsatisfiable core [2021-10-29 04:29:51,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 44 proven. 71 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 04:29:53,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:53,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 183 states and 392 transitions. [2021-10-29 04:29:53,862 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 392 transitions. [2021-10-29 04:29:53,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-10-29 04:29:53,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:53,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:54,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 42 conjunts are in the unsatisfiable core [2021-10-29 04:29:54,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:54,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 44 proven. 71 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 04:29:56,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:56,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 185 states and 396 transitions. [2021-10-29 04:29:56,480 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 396 transitions. [2021-10-29 04:29:56,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-10-29 04:29:56,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:56,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:56,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-29 04:29:56,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:00,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 44 proven. 83 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 04:30:10,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:10,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 193 states and 412 transitions. [2021-10-29 04:30:10,738 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 412 transitions. [2021-10-29 04:30:10,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-10-29 04:30:10,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:10,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:10,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 49 conjunts are in the unsatisfiable core [2021-10-29 04:30:10,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:14,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 46 proven. 85 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-10-29 04:30:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 195 states and 416 transitions. [2021-10-29 04:30:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 416 transitions. [2021-10-29 04:30:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-29 04:30:19,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:19,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:19,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 51 conjunts are in the unsatisfiable core [2021-10-29 04:30:19,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 46 proven. 82 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-10-29 04:30:39,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:39,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 211 states and 454 transitions. [2021-10-29 04:30:39,304 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 454 transitions. [2021-10-29 04:30:39,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-29 04:30:39,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:39,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:39,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 51 conjunts are in the unsatisfiable core [2021-10-29 04:30:39,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:42,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 46 proven. 82 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-10-29 04:30:45,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:45,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 215 states and 460 transitions. [2021-10-29 04:30:45,642 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 460 transitions. [2021-10-29 04:30:45,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-29 04:30:45,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:45,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:45,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 56 conjunts are in the unsatisfiable core [2021-10-29 04:30:45,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:50,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 108 proven. 86 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2021-10-29 04:30:53,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:53,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 217 states and 463 transitions. [2021-10-29 04:30:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 463 transitions. [2021-10-29 04:30:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-29 04:30:53,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:53,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:53,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 49 conjunts are in the unsatisfiable core [2021-10-29 04:30:53,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 48 proven. 86 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-10-29 04:30:59,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:59,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 219 states and 467 transitions. [2021-10-29 04:30:59,562 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 467 transitions. [2021-10-29 04:30:59,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-29 04:30:59,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:59,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:59,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 49 conjunts are in the unsatisfiable core [2021-10-29 04:30:59,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 48 proven. 86 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-10-29 04:31:03,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 221 states and 471 transitions. [2021-10-29 04:31:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 471 transitions. [2021-10-29 04:31:03,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-29 04:31:03,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:03,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:03,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 49 conjunts are in the unsatisfiable core [2021-10-29 04:31:03,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:05,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 48 proven. 86 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-10-29 04:31:07,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:07,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 223 states and 475 transitions. [2021-10-29 04:31:07,046 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 475 transitions. [2021-10-29 04:31:07,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-29 04:31:07,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:07,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:07,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 49 conjunts are in the unsatisfiable core [2021-10-29 04:31:07,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:08,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 48 proven. 86 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-10-29 04:31:10,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:10,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 225 states and 479 transitions. [2021-10-29 04:31:10,761 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 479 transitions. [2021-10-29 04:31:10,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-29 04:31:10,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:10,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:10,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 54 conjunts are in the unsatisfiable core [2021-10-29 04:31:10,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:14,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 48 proven. 93 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-10-29 04:31:25,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:25,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 231 states and 495 transitions. [2021-10-29 04:31:25,582 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 495 transitions. [2021-10-29 04:31:25,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-10-29 04:31:25,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:25,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:25,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 52 conjunts are in the unsatisfiable core [2021-10-29 04:31:25,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 50 proven. 96 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-10-29 04:31:32,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:32,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 233 states and 499 transitions. [2021-10-29 04:31:32,194 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 499 transitions. [2021-10-29 04:31:32,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-10-29 04:31:32,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:32,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:32,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 53 conjunts are in the unsatisfiable core [2021-10-29 04:31:32,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 50 proven. 96 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-10-29 04:31:34,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:34,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 235 states and 503 transitions. [2021-10-29 04:31:34,759 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 503 transitions. [2021-10-29 04:31:34,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-10-29 04:31:34,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:34,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:34,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 52 conjunts are in the unsatisfiable core [2021-10-29 04:31:34,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 90 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-10-29 04:32:03,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:03,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 240 states and 516 transitions. [2021-10-29 04:32:03,151 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 516 transitions. [2021-10-29 04:32:03,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-10-29 04:32:03,152 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:03,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:03,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 53 conjunts are in the unsatisfiable core [2021-10-29 04:32:03,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:32:13,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 90 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-10-29 04:32:21,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:21,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 242 states and 519 transitions. [2021-10-29 04:32:21,769 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 519 transitions. [2021-10-29 04:32:21,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-10-29 04:32:21,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:21,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:22,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 57 conjunts are in the unsatisfiable core [2021-10-29 04:32:22,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:32:25,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 52 proven. 160 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-10-29 04:32:29,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 244 states and 522 transitions. [2021-10-29 04:32:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 522 transitions. [2021-10-29 04:32:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-10-29 04:32:29,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:29,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:29,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-29 04:32:29,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:32:32,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 52 proven. 90 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-10-29 04:32:40,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:40,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 244 states and 521 transitions. [2021-10-29 04:32:40,438 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 521 transitions. [2021-10-29 04:32:40,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-10-29 04:32:40,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:40,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:40,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 59 conjunts are in the unsatisfiable core [2021-10-29 04:32:40,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:32:45,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1459 backedges. 52 proven. 107 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-10-29 04:33:02,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:33:02,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 250 states and 538 transitions. [2021-10-29 04:33:02,620 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 538 transitions. [2021-10-29 04:33:02,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-10-29 04:33:02,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:33:02,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:33:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:33:02,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 56 conjunts are in the unsatisfiable core [2021-10-29 04:33:02,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:33:03,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 54 proven. 111 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-10-29 04:33:06,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:33:06,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 252 states and 542 transitions. [2021-10-29 04:33:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 542 transitions. [2021-10-29 04:33:06,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-10-29 04:33:06,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:33:06,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:33:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:33:06,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 56 conjunts are in the unsatisfiable core [2021-10-29 04:33:06,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:33:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 54 proven. 111 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-10-29 04:33:10,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:33:10,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 254 states and 546 transitions. [2021-10-29 04:33:10,062 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 546 transitions. [2021-10-29 04:33:10,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-10-29 04:33:10,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:33:10,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:33:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:33:10,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 56 conjunts are in the unsatisfiable core [2021-10-29 04:33:10,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:33:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 54 proven. 111 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-10-29 04:33:13,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:33:13,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 256 states and 550 transitions. [2021-10-29 04:33:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 550 transitions. [2021-10-29 04:33:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-10-29 04:33:13,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:33:13,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:33:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:33:13,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 64 conjunts are in the unsatisfiable core [2021-10-29 04:33:13,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:33:20,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1693 backedges. 56 proven. 125 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-10-29 04:33:43,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:33:43,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 262 states and 568 transitions. [2021-10-29 04:33:43,055 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 568 transitions. [2021-10-29 04:33:43,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-10-29 04:33:43,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:33:43,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:33:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:33:43,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 58 conjunts are in the unsatisfiable core [2021-10-29 04:33:43,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:33:50,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 58 proven. 130 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-10-29 04:33:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:33:59,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 264 states and 572 transitions. [2021-10-29 04:33:59,208 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 572 transitions. [2021-10-29 04:33:59,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-10-29 04:33:59,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:33:59,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:33:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:33:59,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 61 conjunts are in the unsatisfiable core [2021-10-29 04:33:59,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:34:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 58 proven. 130 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-10-29 04:34:06,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:34:06,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 266 states and 576 transitions. [2021-10-29 04:34:06,091 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 576 transitions. [2021-10-29 04:34:06,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-10-29 04:34:06,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:34:06,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:34:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:34:06,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 50 conjunts are in the unsatisfiable core [2021-10-29 04:34:06,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:34:08,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 58 proven. 130 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-10-29 04:34:12,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:34:12,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 268 states and 580 transitions. [2021-10-29 04:34:12,558 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 580 transitions. [2021-10-29 04:34:12,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-10-29 04:34:12,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:34:12,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:34:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:34:12,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 61 conjunts are in the unsatisfiable core [2021-10-29 04:34:12,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:34:14,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 58 proven. 130 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-10-29 04:34:18,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:34:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 270 states and 584 transitions. [2021-10-29 04:34:18,117 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 584 transitions. [2021-10-29 04:34:18,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-10-29 04:34:18,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:34:18,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:34:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:34:18,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 66 conjunts are in the unsatisfiable core [2021-10-29 04:34:18,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:34:35,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1935 backedges. 60 proven. 135 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-10-29 04:35:07,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:35:07,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 273 states and 592 transitions. [2021-10-29 04:35:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 592 transitions. [2021-10-29 04:35:07,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-10-29 04:35:07,140 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:35:07,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:35:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:35:07,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 66 conjunts are in the unsatisfiable core [2021-10-29 04:35:07,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:35:12,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1935 backedges. 60 proven. 135 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-10-29 04:35:18,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:35:18,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 275 states and 595 transitions. [2021-10-29 04:35:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 595 transitions. [2021-10-29 04:35:18,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-10-29 04:35:18,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:35:18,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:35:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:35:19,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 66 conjunts are in the unsatisfiable core [2021-10-29 04:35:19,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:35:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1935 backedges. 60 proven. 135 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-10-29 04:35:32,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:35:32,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 165 states and 267 transitions. [2021-10-29 04:35:32,344 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 267 transitions. [2021-10-29 04:35:32,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-10-29 04:35:32,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:35:32,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:35:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:35:32,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-29 04:35:32,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:35:35,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2057 backedges. 62 proven. 135 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-10-29 04:35:48,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:35:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 160 states and 262 transitions. [2021-10-29 04:35:48,428 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 262 transitions. [2021-10-29 04:35:48,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:35:48,428 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 88 iterations. [2021-10-29 04:35:48,434 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:35:56,393 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:35:56,396 INFO L565 CodeCheckObserver]: Invariant with dag size 61 [2021-10-29 04:35:56,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:35:56 ImpRootNode [2021-10-29 04:35:56,405 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:35:56,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:35:56,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:35:56,406 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:35:56,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:27:45" (3/4) ... [2021-10-29 04:35:56,409 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:35:56,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 04:35:56,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-29 04:35:56,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:35:56,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:35:56,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:35:56,458 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:35:56,458 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:35:56,460 INFO L168 Benchmark]: Toolchain (without parser) took 491650.40 ms. Allocated memory was 90.2 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 54.6 MB in the beginning and 397.7 MB in the end (delta: -343.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-10-29 04:35:56,460 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory is still 71.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:35:56,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.10 ms. Allocated memory is still 90.2 MB. Free memory was 54.4 MB in the beginning and 67.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:35:56,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.26 ms. Allocated memory is still 90.2 MB. Free memory was 67.3 MB in the beginning and 65.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:35:56,461 INFO L168 Benchmark]: Boogie Preprocessor took 47.37 ms. Allocated memory is still 90.2 MB. Free memory was 65.7 MB in the beginning and 64.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:35:56,462 INFO L168 Benchmark]: RCFGBuilder took 433.91 ms. Allocated memory is still 90.2 MB. Free memory was 64.6 MB in the beginning and 51.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:35:56,462 INFO L168 Benchmark]: CodeCheck took 490686.21 ms. Allocated memory was 90.2 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 51.8 MB in the beginning and 400.9 MB in the end (delta: -349.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2021-10-29 04:35:56,463 INFO L168 Benchmark]: Witness Printer took 52.50 ms. Allocated memory is still 1.6 GB. Free memory was 400.9 MB in the beginning and 397.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:35:56,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 482.6s, OverallIterations: 88, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -131972116 SDslu, 1883211696 SDs, 0 SdLazy, -520781596 SolverSat, -1219310472 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 325.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92631 GetRequests, 89026 SyntacticMatches, 2683 SemanticMatches, 922 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578037 ImplicationChecksByTransitivity, 372.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.5s SsaConstructionTime, 6.3s SatisfiabilityAnalysisTime, 167.6s InterpolantComputationTime, 9512 NumberOfCodeBlocks, 9512 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 9425 ConstructedInterpolants, 0 QuantifiedInterpolants, 63133 SizeOfPredicates, 268 NumberOfNonLiveVariables, 22327 ConjunctsInSsa, 3004 ConjunctsInUnsatCore, 87 InterpolantComputations, 14 PerfectInterpolantSequences, 67294/72202 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((0 <= A && A <= 20) && B == d) || (20 < r && p == 32)) || ((((!((B == 1 && p == 2) && d == 2 * B) && !((d == 8 * B && B == 1) && p == 8)) && !((B == 1 && p == 1) && B == d)) && !((d == 32 * B && p == 32) && 1 <= B)) && !((p == 4 && d == 4 * B) && B == 1))) || (4 * B <= r && p == 8)) || !(q == 0)) || !(A == r)) || (d == 4 * B && 2 * B <= r)) || (16 * B <= r && r <= 20)) || (B <= r && d == 2 * B) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory is still 71.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 376.10 ms. Allocated memory is still 90.2 MB. Free memory was 54.4 MB in the beginning and 67.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.26 ms. Allocated memory is still 90.2 MB. Free memory was 67.3 MB in the beginning and 65.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.37 ms. Allocated memory is still 90.2 MB. Free memory was 65.7 MB in the beginning and 64.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 433.91 ms. Allocated memory is still 90.2 MB. Free memory was 64.6 MB in the beginning and 51.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 490686.21 ms. Allocated memory was 90.2 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 51.8 MB in the beginning and 400.9 MB in the end (delta: -349.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. * Witness Printer took 52.50 ms. Allocated memory is still 1.6 GB. Free memory was 400.9 MB in the beginning and 397.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:35:56,690 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2021-10-29 04:35:56,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07adc0c-6033-41ab-9f1a-ea8abfa22b27/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...