./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.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_32fc4b72-8eef-4638-982a-0a6694f16fe1/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/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_32fc4b72-8eef-4638-982a-0a6694f16fe1/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/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_32fc4b72-8eef-4638-982a-0a6694f16fe1/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 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:07:14,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:07:14,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:07:14,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:07:14,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:07:14,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:07:14,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:07:14,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:07:14,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:07:14,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:07:14,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:07:14,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:07:14,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:07:14,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:07:14,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:07:14,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:07:14,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:07:14,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:07:14,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:07:14,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:07:14,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:07:14,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:07:14,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:07:14,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:07:14,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:07:14,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:07:14,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:07:14,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:07:14,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:07:14,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:07:14,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:07:14,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:07:14,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:07:14,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:07:14,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:07:14,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:07:14,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:07:14,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:07:14,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:07:14,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:07:14,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:07:14,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:07:14,812 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:07:14,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:07:14,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:07:14,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:07:14,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:07:14,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:07:14,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:07:14,815 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:07:14,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:07:14,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:07:14,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:07:14,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:07:14,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:07:14,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:07:14,818 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:07:14,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:07:14,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:07:14,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:07:14,819 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:07:14,819 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:07:14,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:07:14,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:07:14,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:07:14,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:07:14,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:07:14,820 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:07:14,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:07:14,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:07:14,821 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_32fc4b72-8eef-4638-982a-0a6694f16fe1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 [2021-10-29 03:07:15,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:07:15,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:07:15,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:07:15,241 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:07:15,242 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:07:15,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2021-10-29 03:07:15,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/bin/ukojak-Rh5K9KB4LI/data/cf885db95/495524bef6c14bf68bd9ea4e0b448507/FLAGf2ead7d23 [2021-10-29 03:07:15,816 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:07:15,818 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2021-10-29 03:07:15,829 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/bin/ukojak-Rh5K9KB4LI/data/cf885db95/495524bef6c14bf68bd9ea4e0b448507/FLAGf2ead7d23 [2021-10-29 03:07:16,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/bin/ukojak-Rh5K9KB4LI/data/cf885db95/495524bef6c14bf68bd9ea4e0b448507 [2021-10-29 03:07:16,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:07:16,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:07:16,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:07:16,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:07:16,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:07:16,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:07:16" (1/1) ... [2021-10-29 03:07:16,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36417996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:16, skipping insertion in model container [2021-10-29 03:07:16,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:07:16" (1/1) ... [2021-10-29 03:07:16,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:07:16,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:07:16,419 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_32fc4b72-8eef-4638-982a-0a6694f16fe1/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c[526,539] [2021-10-29 03:07:16,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:07:16,441 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:07:16,454 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_32fc4b72-8eef-4638-982a-0a6694f16fe1/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c[526,539] [2021-10-29 03:07:16,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:07:16,476 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:07:16,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:16 WrapperNode [2021-10-29 03:07:16,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:07:16,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:07:16,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:07:16,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:07:16,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:16" (1/1) ... [2021-10-29 03:07:16,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:16" (1/1) ... [2021-10-29 03:07:16,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:07:16,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:07:16,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:07:16,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:07:16,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:16" (1/1) ... [2021-10-29 03:07:16,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:16" (1/1) ... [2021-10-29 03:07:16,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:16" (1/1) ... [2021-10-29 03:07:16,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:16" (1/1) ... [2021-10-29 03:07:16,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:16" (1/1) ... [2021-10-29 03:07:16,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:16" (1/1) ... [2021-10-29 03:07:16,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:16" (1/1) ... [2021-10-29 03:07:16,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:07:16,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:07:16,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:07:16,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:07:16,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:16" (1/1) ... [2021-10-29 03:07:16,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:07:16,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:07:16,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:07:16,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:07:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:07:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:07:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:07:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:07:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:07:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:07:17,022 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:07:17,022 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-29 03:07:17,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:07:17 BoogieIcfgContainer [2021-10-29 03:07:17,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:07:17,025 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:07:17,026 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:07:17,049 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:07:17,049 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:07:17" (1/1) ... [2021-10-29 03:07:17,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:07:17,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:17,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-10-29 03:07:17,109 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-10-29 03:07:17,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:07:17,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:17,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:17,299 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 03:07:17,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:17,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2021-10-29 03:07:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2021-10-29 03:07:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:07:17,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:17,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:17,524 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 03:07:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2021-10-29 03:07:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2021-10-29 03:07:17,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:07:17,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:17,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:17,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:07:17,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:17,971 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 03:07:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:18,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 49 transitions. [2021-10-29 03:07:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2021-10-29 03:07:18,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:07:18,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:18,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:18,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:07:18,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:18,522 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 03:07:18,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:18,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 55 transitions. [2021-10-29 03:07:18,722 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2021-10-29 03:07:18,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:07:18,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:18,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:18,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:07:18,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:18,922 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 03:07:19,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:19,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 63 transitions. [2021-10-29 03:07:19,209 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-10-29 03:07:19,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:07:19,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:19,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:19,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:07:19,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:19,573 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 03:07:20,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:20,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 73 transitions. [2021-10-29 03:07:20,207 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2021-10-29 03:07:20,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:07:20,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:20,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:20,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:07:20,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:20,409 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 03:07:20,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:20,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 82 transitions. [2021-10-29 03:07:20,589 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2021-10-29 03:07:20,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:07:20,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:20,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:20,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 03:07:20,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:20,750 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 03:07:21,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:21,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 50 states and 90 transitions. [2021-10-29 03:07:21,149 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2021-10-29 03:07:21,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:07:21,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:21,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:21,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:07:21,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:21,335 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 03:07:21,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:21,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 91 transitions. [2021-10-29 03:07:21,580 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2021-10-29 03:07:21,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 03:07:21,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:21,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:21,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:07:21,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:21,830 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 03:07:22,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 51 states and 90 transitions. [2021-10-29 03:07:22,032 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2021-10-29 03:07:22,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 03:07:22,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:22,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:22,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-29 03:07:22,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:22,386 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 03:07:23,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:23,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 56 states and 100 transitions. [2021-10-29 03:07:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2021-10-29 03:07:23,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 03:07:23,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:23,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:23,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:07:23,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:23,799 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 03:07:24,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:24,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 62 states and 115 transitions. [2021-10-29 03:07:24,615 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2021-10-29 03:07:24,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 03:07:24,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:24,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:24,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-29 03:07:24,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:24,985 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 03:07:25,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:25,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 64 states and 120 transitions. [2021-10-29 03:07:25,199 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2021-10-29 03:07:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 03:07:25,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:25,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:25,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:07:25,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:25,569 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 03:07:25,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:25,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 64 states and 119 transitions. [2021-10-29 03:07:25,807 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 119 transitions. [2021-10-29 03:07:25,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 03:07:25,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:25,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:25,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-29 03:07:25,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:26,627 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 03:07:27,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:27,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 73 states and 136 transitions. [2021-10-29 03:07:27,834 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 136 transitions. [2021-10-29 03:07:27,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-29 03:07:27,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:27,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:27,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 03:07:27,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:28,292 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 03:07:29,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:29,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 78 states and 146 transitions. [2021-10-29 03:07:29,142 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 146 transitions. [2021-10-29 03:07:29,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-29 03:07:29,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:29,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:29,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:07:29,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:29,533 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 03:07:29,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:29,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 78 states and 145 transitions. [2021-10-29 03:07:29,930 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 145 transitions. [2021-10-29 03:07:29,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-10-29 03:07:29,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:29,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:29,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:07:29,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:30,675 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 03:07:31,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:31,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 84 states and 160 transitions. [2021-10-29 03:07:31,736 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 160 transitions. [2021-10-29 03:07:31,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:07:31,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:31,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:31,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-29 03:07:31,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:32,430 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 03:07:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:32,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 86 states and 165 transitions. [2021-10-29 03:07:32,888 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 165 transitions. [2021-10-29 03:07:32,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:07:32,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:32,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:32,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:07:32,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:33,258 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 03:07:33,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:33,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 86 states and 164 transitions. [2021-10-29 03:07:33,564 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2021-10-29 03:07:33,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-29 03:07:33,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:33,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:33,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:07:33,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:34,268 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 03:07:35,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:35,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 88 states and 174 transitions. [2021-10-29 03:07:35,110 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 174 transitions. [2021-10-29 03:07:35,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-29 03:07:35,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:35,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:35,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-29 03:07:35,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:36,286 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 03:07:37,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 98 states and 198 transitions. [2021-10-29 03:07:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 198 transitions. [2021-10-29 03:07:37,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:07:37,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:37,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:37,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:07:37,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:38,658 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 03:07:40,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:40,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 103 states and 209 transitions. [2021-10-29 03:07:40,157 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 209 transitions. [2021-10-29 03:07:40,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-29 03:07:40,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:40,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:40,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 03:07:40,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:41,039 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 03:07:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:41,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 105 states and 214 transitions. [2021-10-29 03:07:41,779 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 214 transitions. [2021-10-29 03:07:41,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-29 03:07:41,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:41,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:41,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-29 03:07:41,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:42,547 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 30 proven. 62 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-10-29 03:07:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:42,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 107 states and 219 transitions. [2021-10-29 03:07:42,960 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 219 transitions. [2021-10-29 03:07:42,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-29 03:07:42,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:42,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:43,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 03:07:43,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:43,849 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 03:07:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:45,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 113 states and 236 transitions. [2021-10-29 03:07:45,563 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 236 transitions. [2021-10-29 03:07:45,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 03:07:45,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:45,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:45,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-29 03:07:45,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:46,034 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 03:07:46,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 115 states and 241 transitions. [2021-10-29 03:07:46,388 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 241 transitions. [2021-10-29 03:07:46,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 03:07:46,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:46,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:46,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 03:07:46,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:46,976 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 03:07:48,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:48,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 118 states and 252 transitions. [2021-10-29 03:07:48,043 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 252 transitions. [2021-10-29 03:07:48,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-29 03:07:48,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:48,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:48,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 03:07:48,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:49,654 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 03:07:52,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:52,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 123 states and 262 transitions. [2021-10-29 03:07:52,146 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 262 transitions. [2021-10-29 03:07:52,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-29 03:07:52,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:52,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:52,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:07:52,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:52,423 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 03:07:52,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:52,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 126 states and 270 transitions. [2021-10-29 03:07:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 270 transitions. [2021-10-29 03:07:52,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-29 03:07:52,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:52,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:52,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-29 03:07:52,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:53,825 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 03:07:55,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:55,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 126 states and 269 transitions. [2021-10-29 03:07:55,442 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 269 transitions. [2021-10-29 03:07:55,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-10-29 03:07:55,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:55,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:55,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-29 03:07:55,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:56,559 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 03:07:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 130 states and 282 transitions. [2021-10-29 03:07:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 282 transitions. [2021-10-29 03:07:58,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 03:07:58,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:58,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:58,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:07:58,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2021-10-29 03:08:03,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:03,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 135 states and 292 transitions. [2021-10-29 03:08:03,141 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 292 transitions. [2021-10-29 03:08:03,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 03:08:03,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:03,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:03,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:08:03,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2021-10-29 03:08:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 118 states and 243 transitions. [2021-10-29 03:08:04,441 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 243 transitions. [2021-10-29 03:08:04,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-29 03:08:04,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:04,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:04,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-29 03:08:04,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:05,379 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 03:08:06,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 120 states and 247 transitions. [2021-10-29 03:08:06,102 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 247 transitions. [2021-10-29 03:08:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-29 03:08:06,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:06,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:06,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-29 03:08:06,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:06,749 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 03:08:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:07,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 122 states and 251 transitions. [2021-10-29 03:08:07,262 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 251 transitions. [2021-10-29 03:08:07,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-29 03:08:07,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:07,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:07,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 03:08:07,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:08,301 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 03:08:10,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 125 states and 261 transitions. [2021-10-29 03:08:10,746 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 261 transitions. [2021-10-29 03:08:10,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-29 03:08:10,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:10,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:10,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 03:08:10,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:11,508 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 03:08:12,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:12,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 127 states and 265 transitions. [2021-10-29 03:08:12,311 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 265 transitions. [2021-10-29 03:08:12,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-29 03:08:12,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:12,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:12,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 03:08:12,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:13,469 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 03:08:14,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:14,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 129 states and 269 transitions. [2021-10-29 03:08:14,346 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 269 transitions. [2021-10-29 03:08:14,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-10-29 03:08:14,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:14,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:14,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 42 conjunts are in the unsatisfiable core [2021-10-29 03:08:14,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:16,741 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 03:08:21,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:21,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 143 states and 301 transitions. [2021-10-29 03:08:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 301 transitions. [2021-10-29 03:08:21,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-10-29 03:08:21,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:21,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:21,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 42 conjunts are in the unsatisfiable core [2021-10-29 03:08:21,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:23,253 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 03:08:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 145 states and 304 transitions. [2021-10-29 03:08:23,918 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 304 transitions. [2021-10-29 03:08:23,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 03:08:23,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:23,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:24,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-29 03:08:24,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:25,278 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 03:08:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 147 states and 308 transitions. [2021-10-29 03:08:26,232 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 308 transitions. [2021-10-29 03:08:26,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 03:08:26,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:26,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:26,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-29 03:08:26,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:27,151 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 03:08:27,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:27,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 149 states and 312 transitions. [2021-10-29 03:08:27,897 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 312 transitions. [2021-10-29 03:08:27,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 03:08:27,898 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:27,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:28,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-29 03:08:28,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:28,905 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 03:08:29,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:29,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 151 states and 316 transitions. [2021-10-29 03:08:29,640 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 316 transitions. [2021-10-29 03:08:29,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 03:08:29,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:29,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:29,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 43 conjunts are in the unsatisfiable core [2021-10-29 03:08:29,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:31,790 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 03:08:36,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:36,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 159 states and 332 transitions. [2021-10-29 03:08:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 332 transitions. [2021-10-29 03:08:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-10-29 03:08:36,374 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:36,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:36,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-29 03:08:36,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:38,444 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 03:08:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 161 states and 336 transitions. [2021-10-29 03:08:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 336 transitions. [2021-10-29 03:08:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-29 03:08:40,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:40,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:40,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 44 conjunts are in the unsatisfiable core [2021-10-29 03:08:40,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:43,938 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 03:08:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:50,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 166 states and 347 transitions. [2021-10-29 03:08:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 347 transitions. [2021-10-29 03:08:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-29 03:08:50,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:50,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:50,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 44 conjunts are in the unsatisfiable core [2021-10-29 03:08:50,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:51,683 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 03:08:52,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:52,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 168 states and 350 transitions. [2021-10-29 03:08:52,671 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 350 transitions. [2021-10-29 03:08:52,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-29 03:08:52,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:52,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:52,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 03:08:52,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:53,629 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 03:08:55,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 168 states and 349 transitions. [2021-10-29 03:08:55,892 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 349 transitions. [2021-10-29 03:08:55,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-29 03:08:55,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:55,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:56,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 50 conjunts are in the unsatisfiable core [2021-10-29 03:08:56,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:58,303 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 03:09:03,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:03,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 174 states and 365 transitions. [2021-10-29 03:09:03,676 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 365 transitions. [2021-10-29 03:09:03,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-10-29 03:09:03,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:03,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:03,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 50 conjunts are in the unsatisfiable core [2021-10-29 03:09:03,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:05,060 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 03:09:06,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 176 states and 369 transitions. [2021-10-29 03:09:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 369 transitions. [2021-10-29 03:09:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-10-29 03:09:06,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:06,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:06,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 50 conjunts are in the unsatisfiable core [2021-10-29 03:09:06,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:07,530 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 03:09:08,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:08,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 178 states and 373 transitions. [2021-10-29 03:09:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 373 transitions. [2021-10-29 03:09:08,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-29 03:09:08,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:08,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:08,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 55 conjunts are in the unsatisfiable core [2021-10-29 03:09:08,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:11,577 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 03:09:18,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:18,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 184 states and 390 transitions. [2021-10-29 03:09:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 390 transitions. [2021-10-29 03:09:18,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-29 03:09:18,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:18,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:19,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 53 conjunts are in the unsatisfiable core [2021-10-29 03:09:19,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:22,941 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 03:09:26,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:26,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 186 states and 394 transitions. [2021-10-29 03:09:26,845 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 394 transitions. [2021-10-29 03:09:26,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-29 03:09:26,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:26,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:26,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 53 conjunts are in the unsatisfiable core [2021-10-29 03:09:26,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:28,325 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 03:09:29,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 188 states and 398 transitions. [2021-10-29 03:09:29,523 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 398 transitions. [2021-10-29 03:09:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-29 03:09:29,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:29,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:29,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 53 conjunts are in the unsatisfiable core [2021-10-29 03:09:29,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:30,963 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 03:09:32,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:32,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 190 states and 402 transitions. [2021-10-29 03:09:32,542 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 402 transitions. [2021-10-29 03:09:32,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-10-29 03:09:32,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:32,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:32,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 57 conjunts are in the unsatisfiable core [2021-10-29 03:09:32,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:39,184 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 03:09:53,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 117 states and 184 transitions. [2021-10-29 03:09:53,638 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 184 transitions. [2021-10-29 03:09:53,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-10-29 03:09:53,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:53,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:53,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-29 03:09:53,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:55,854 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 03:10:01,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 112 states and 179 transitions. [2021-10-29 03:10:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 179 transitions. [2021-10-29 03:10:01,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:10:01,569 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 59 iterations. [2021-10-29 03:10:01,576 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:10:03,813 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:10:03,818 INFO L565 CodeCheckObserver]: Invariant with dag size 59 [2021-10-29 03:10:03,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:10:03 ImpRootNode [2021-10-29 03:10:03,829 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:10:03,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:10:03,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:10:03,830 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:10:03,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:07:17" (3/4) ... [2021-10-29 03:10:03,833 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:10:03,839 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 03:10:03,843 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-29 03:10:03,844 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 03:10:03,844 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:10:03,844 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:10:03,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:10:03,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:10:03,890 INFO L168 Benchmark]: Toolchain (without parser) took 167704.07 ms. Allocated memory was 98.6 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 57.2 MB in the beginning and 790.0 MB in the end (delta: -732.9 MB). Peak memory consumption was 509.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:10:03,891 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 98.6 MB. Free memory is still 73.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:10:03,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.81 ms. Allocated memory is still 98.6 MB. Free memory was 57.0 MB in the beginning and 73.2 MB in the end (delta: -16.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:10:03,892 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.09 ms. Allocated memory is still 98.6 MB. Free memory was 73.2 MB in the beginning and 71.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:10:03,892 INFO L168 Benchmark]: Boogie Preprocessor took 22.20 ms. Allocated memory is still 98.6 MB. Free memory was 71.6 MB in the beginning and 70.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:10:03,893 INFO L168 Benchmark]: RCFGBuilder took 488.90 ms. Allocated memory is still 98.6 MB. Free memory was 70.6 MB in the beginning and 57.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:10:03,893 INFO L168 Benchmark]: CodeCheck took 166803.36 ms. Allocated memory was 98.6 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 57.7 MB in the beginning and 793.2 MB in the end (delta: -735.5 MB). Peak memory consumption was 987.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:10:03,894 INFO L168 Benchmark]: Witness Printer took 59.22 ms. Allocated memory is still 1.3 GB. Free memory was 793.2 MB in the beginning and 790.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:10:03,897 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: 164.4s, OverallIterations: 59, 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, -1521380224 SDslu, -111019792 SDs, 0 SdLazy, -1600490984 SolverSat, -282135560 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 108.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47527 GetRequests, 45511 SyntacticMatches, 1362 SemanticMatches, 654 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280610 ImplicationChecksByTransitivity, 115.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 61.2s InterpolantComputationTime, 5121 NumberOfCodeBlocks, 5121 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 5063 ConstructedInterpolants, 0 QuantifiedInterpolants, 30488 SizeOfPredicates, 168 NumberOfNonLiveVariables, 12418 ConjunctsInSsa, 1609 ConjunctsInUnsatCore, 58 InterpolantComputations, 13 PerfectInterpolantSequences, 29288/31277 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: ((((((((p == 16 && 10 < r) || (8 * B <= r && r <= 10)) || ((((!((B == 1 && p == 2) && d == 2 * B) && !((d == 8 * B && B == 1) && p == 8)) && !((B == 1 && p == 1) && B == d)) && !((d == 16 * B && p == 16) && 1 <= B)) && !((p == 4 && d == 4 * B) && B == 1))) || (4 * B <= r && p == 8)) || ((0 <= A && A <= 10) && B == d)) || !(q == 0)) || !(A == r)) || (d == 4 * B && 2 * B <= r)) || (B <= r && d == 2 * B) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 98.6 MB. Free memory is still 73.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 286.81 ms. Allocated memory is still 98.6 MB. Free memory was 57.0 MB in the beginning and 73.2 MB in the end (delta: -16.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.09 ms. Allocated memory is still 98.6 MB. Free memory was 73.2 MB in the beginning and 71.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.20 ms. Allocated memory is still 98.6 MB. Free memory was 71.6 MB in the beginning and 70.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 488.90 ms. Allocated memory is still 98.6 MB. Free memory was 70.6 MB in the beginning and 57.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 166803.36 ms. Allocated memory was 98.6 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 57.7 MB in the beginning and 793.2 MB in the end (delta: -735.5 MB). Peak memory consumption was 987.9 MB. Max. memory is 16.1 GB. * Witness Printer took 59.22 ms. Allocated memory is still 1.3 GB. Free memory was 793.2 MB in the beginning and 790.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:10:04,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fc4b72-8eef-4638-982a-0a6694f16fe1/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...