./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.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_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/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_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/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_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/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 a077c1334c11d8329da2d0c58ca917b2036581fa7e949d1d304e3346ec54a811 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:01:33,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:01:33,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:01:33,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:01:33,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:01:33,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:01:33,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:01:33,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:01:33,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:01:33,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:01:33,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:01:33,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:01:33,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:01:33,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:01:33,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:01:33,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:01:33,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:01:33,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:01:33,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:01:33,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:01:33,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:01:33,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:01:33,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:01:33,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:01:33,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:01:33,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:01:33,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:01:33,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:01:33,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:01:33,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:01:33,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:01:33,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:01:33,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:01:33,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:01:33,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:01:33,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:01:33,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:01:33,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:01:33,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:01:33,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:01:33,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:01:33,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:01:34,001 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:01:34,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:01:34,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:01:34,007 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:01:34,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:01:34,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:01:34,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:01:34,018 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:01:34,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:01:34,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:01:34,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:01:34,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:01:34,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:01:34,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:01:34,020 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:01:34,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:01:34,022 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:01:34,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:01:34,022 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:01:34,023 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:01:34,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:01:34,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:01:34,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:01:34,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:01:34,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:01:34,025 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:01:34,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:01:34,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:01:34,025 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_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a077c1334c11d8329da2d0c58ca917b2036581fa7e949d1d304e3346ec54a811 [2021-10-29 03:01:34,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:01:34,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:01:34,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:01:34,450 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:01:34,452 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:01:34,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c [2021-10-29 03:01:34,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/bin/ukojak-Rh5K9KB4LI/data/2bc37c139/4f3c763bb0a14c959083ad5c3ac8356f/FLAGcddd363f8 [2021-10-29 03:01:35,140 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:01:35,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c [2021-10-29 03:01:35,149 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/bin/ukojak-Rh5K9KB4LI/data/2bc37c139/4f3c763bb0a14c959083ad5c3ac8356f/FLAGcddd363f8 [2021-10-29 03:01:35,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/bin/ukojak-Rh5K9KB4LI/data/2bc37c139/4f3c763bb0a14c959083ad5c3ac8356f [2021-10-29 03:01:35,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:01:35,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:01:35,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:01:35,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:01:35,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:01:35,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:01:35" (1/1) ... [2021-10-29 03:01:35,506 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 03:01:35, skipping insertion in model container [2021-10-29 03:01:35,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:01:35" (1/1) ... [2021-10-29 03:01:35,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:01:35,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:01:35,719 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_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c[526,539] [2021-10-29 03:01:35,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:01:35,749 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:01:35,765 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_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c[526,539] [2021-10-29 03:01:35,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:01:35,791 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:01:35,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:35 WrapperNode [2021-10-29 03:01:35,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:01:35,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:01:35,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:01:35,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:01:35,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:35" (1/1) ... [2021-10-29 03:01:35,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:35" (1/1) ... [2021-10-29 03:01:35,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:01:35,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:01:35,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:01:35,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:01:35,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:35" (1/1) ... [2021-10-29 03:01:35,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:35" (1/1) ... [2021-10-29 03:01:35,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:35" (1/1) ... [2021-10-29 03:01:35,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:35" (1/1) ... [2021-10-29 03:01:35,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:35" (1/1) ... [2021-10-29 03:01:35,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:35" (1/1) ... [2021-10-29 03:01:35,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:35" (1/1) ... [2021-10-29 03:01:35,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:01:35,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:01:35,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:01:35,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:01:35,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:35" (1/1) ... [2021-10-29 03:01:35,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:01:35,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:01:35,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:01:35,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:01:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:01:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:01:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:01:36,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:01:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:01:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:01:36,429 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:01:36,429 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-29 03:01:36,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:01:36 BoogieIcfgContainer [2021-10-29 03:01:36,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:01:36,434 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:01:36,434 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:01:36,447 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:01:36,448 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:01:36" (1/1) ... [2021-10-29 03:01:36,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:01:36,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:36,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-10-29 03:01:36,517 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-10-29 03:01:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:01:36,523 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:36,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:36,846 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 03:01:36,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:36,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2021-10-29 03:01:36,955 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2021-10-29 03:01:36,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:01:36,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:36,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:37,040 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 03:01:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:37,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2021-10-29 03:01:37,147 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2021-10-29 03:01:37,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:01:37,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:37,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:37,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:01:37,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:37,454 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 03:01:37,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:37,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 49 transitions. [2021-10-29 03:01:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2021-10-29 03:01:37,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:01:37,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:37,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:37,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:01:37,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:38,124 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 03:01:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:38,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 55 transitions. [2021-10-29 03:01:38,374 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2021-10-29 03:01:38,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:01:38,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:38,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:38,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:01:38,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:38,628 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 03:01:38,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:38,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 63 transitions. [2021-10-29 03:01:38,986 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-10-29 03:01:38,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:01:38,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:38,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:39,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:01:39,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:39,356 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 03:01:40,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:40,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 73 transitions. [2021-10-29 03:01:40,112 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2021-10-29 03:01:40,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:01:40,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:40,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:40,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:01:40,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:40,336 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 03:01:40,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:40,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 82 transitions. [2021-10-29 03:01:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2021-10-29 03:01:40,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:01:40,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:40,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:40,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 03:01:40,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:40,756 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 03:01:41,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:41,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 50 states and 90 transitions. [2021-10-29 03:01:41,225 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2021-10-29 03:01:41,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:01:41,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:41,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:41,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:01:41,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:41,483 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 03:01:41,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:41,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 91 transitions. [2021-10-29 03:01:41,785 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2021-10-29 03:01:41,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 03:01:41,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:41,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:41,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:01:41,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:42,067 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 03:01:42,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:42,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 51 states and 90 transitions. [2021-10-29 03:01:42,302 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2021-10-29 03:01:42,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 03:01:42,304 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:42,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:42,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-29 03:01:42,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:42,740 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 03:01:43,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:43,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 56 states and 100 transitions. [2021-10-29 03:01:43,675 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2021-10-29 03:01:43,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 03:01:43,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:43,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:43,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:01:43,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:44,488 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 03:01:45,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:45,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 62 states and 115 transitions. [2021-10-29 03:01:45,403 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2021-10-29 03:01:45,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 03:01:45,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:45,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:45,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 03:01:45,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:46,171 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 03:01:46,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 68 states and 127 transitions. [2021-10-29 03:01:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 127 transitions. [2021-10-29 03:01:46,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 03:01:46,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:46,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:46,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:01:46,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:47,389 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 03:01:47,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:47,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 68 states and 126 transitions. [2021-10-29 03:01:47,668 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2021-10-29 03:01:47,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 03:01:47,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:47,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:47,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-29 03:01:47,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:48,735 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 03:01:50,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:50,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 73 states and 136 transitions. [2021-10-29 03:01:50,054 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 136 transitions. [2021-10-29 03:01:50,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-29 03:01:50,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:50,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:50,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 03:01:50,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:50,580 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 03:01:51,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 78 states and 146 transitions. [2021-10-29 03:01:51,719 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 146 transitions. [2021-10-29 03:01:51,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-29 03:01:51,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:51,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:51,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:01:51,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:52,227 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 03:01:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 78 states and 145 transitions. [2021-10-29 03:01:52,773 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 145 transitions. [2021-10-29 03:01:52,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-10-29 03:01:52,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:52,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:52,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:01:52,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:53,700 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 03:01:54,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:54,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 84 states and 160 transitions. [2021-10-29 03:01:54,980 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 160 transitions. [2021-10-29 03:01:54,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:01:54,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:54,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:55,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-29 03:01:55,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:55,903 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 03:01:56,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:56,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 86 states and 165 transitions. [2021-10-29 03:01:56,378 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 165 transitions. [2021-10-29 03:01:56,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:01:56,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:56,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:56,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:01:56,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:56,842 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 03:01:57,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:57,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 86 states and 164 transitions. [2021-10-29 03:01:57,154 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2021-10-29 03:01:57,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-29 03:01:57,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:57,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:57,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:01:57,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:58,031 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 03:01:59,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:59,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 88 states and 174 transitions. [2021-10-29 03:01:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 174 transitions. [2021-10-29 03:01:59,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-29 03:01:59,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:59,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:59,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-29 03:01:59,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:00,493 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 03:02:02,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 92 states and 187 transitions. [2021-10-29 03:02:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 187 transitions. [2021-10-29 03:02:02,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:02:02,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:02,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:02,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 03:02:02,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-10-29 03:02:05,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:05,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 81 states and 159 transitions. [2021-10-29 03:02:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2021-10-29 03:02:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-29 03:02:05,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:05,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:05,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-29 03:02:05,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 27 proven. 65 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-10-29 03:02:08,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:08,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 91 states and 177 transitions. [2021-10-29 03:02:08,455 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 177 transitions. [2021-10-29 03:02:08,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-29 03:02:08,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:08,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:08,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 03:02:08,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:09,629 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 03:02:10,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 93 states and 181 transitions. [2021-10-29 03:02:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 181 transitions. [2021-10-29 03:02:10,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-29 03:02:10,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:10,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:10,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 03:02:10,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:11,694 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 03:02:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:15,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 99 states and 197 transitions. [2021-10-29 03:02:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 197 transitions. [2021-10-29 03:02:15,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 03:02:15,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:15,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:15,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:02:15,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:16,026 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 03:02:16,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:16,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 101 states and 201 transitions. [2021-10-29 03:02:16,549 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 201 transitions. [2021-10-29 03:02:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-29 03:02:16,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:16,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:16,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 03:02:16,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:18,703 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 03:02:22,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:22,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 106 states and 212 transitions. [2021-10-29 03:02:22,301 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 212 transitions. [2021-10-29 03:02:22,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-29 03:02:22,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:22,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:22,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 03:02:22,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:23,512 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 03:02:24,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 108 states and 215 transitions. [2021-10-29 03:02:24,224 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 215 transitions. [2021-10-29 03:02:24,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-29 03:02:24,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:24,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:24,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-29 03:02:24,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:25,206 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 03:02:27,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:27,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 108 states and 214 transitions. [2021-10-29 03:02:27,075 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 214 transitions. [2021-10-29 03:02:27,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-10-29 03:02:27,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:27,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:27,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-29 03:02:27,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:29,081 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 03:02:32,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:32,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 116 states and 230 transitions. [2021-10-29 03:02:32,273 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2021-10-29 03:02:32,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-29 03:02:32,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:32,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:32,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 03:02:32,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:33,241 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 03:02:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 118 states and 234 transitions. [2021-10-29 03:02:34,553 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 234 transitions. [2021-10-29 03:02:34,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-10-29 03:02:34,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:34,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:34,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 46 conjunts are in the unsatisfiable core [2021-10-29 03:02:34,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:36,708 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 03:02:40,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:40,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 124 states and 250 transitions. [2021-10-29 03:02:40,835 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 250 transitions. [2021-10-29 03:02:40,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 03:02:40,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:40,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:40,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 46 conjunts are in the unsatisfiable core [2021-10-29 03:02:40,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:43,141 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 03:02:44,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:44,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 254 transitions. [2021-10-29 03:02:44,953 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 254 transitions. [2021-10-29 03:02:44,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 03:02:44,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:44,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:45,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 44 conjunts are in the unsatisfiable core [2021-10-29 03:02:45,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:47,301 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 03:02:48,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:48,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 128 states and 258 transitions. [2021-10-29 03:02:48,722 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 258 transitions. [2021-10-29 03:02:48,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-29 03:02:48,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:48,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:48,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 48 conjunts are in the unsatisfiable core [2021-10-29 03:02:48,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:52,302 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 03:02:58,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 81 states and 123 transitions. [2021-10-29 03:02:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2021-10-29 03:02:58,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-29 03:02:58,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:58,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:58,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 03:02:58,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:59,410 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 03:03:01,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:01,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 76 states and 118 transitions. [2021-10-29 03:03:01,129 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2021-10-29 03:03:01,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:03:01,130 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 38 iterations. [2021-10-29 03:03:01,139 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:03:03,354 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:03:03,359 INFO L565 CodeCheckObserver]: Invariant with dag size 47 [2021-10-29 03:03:03,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:03:03 ImpRootNode [2021-10-29 03:03:03,371 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:03:03,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:03:03,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:03:03,373 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:03:03,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:01:36" (3/4) ... [2021-10-29 03:03:03,377 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:03:03,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 03:03:03,390 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-29 03:03:03,390 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 03:03:03,390 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:03:03,391 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:03:03,455 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:03:03,456 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:03:03,458 INFO L168 Benchmark]: Toolchain (without parser) took 87963.63 ms. Allocated memory was 86.0 MB in the beginning and 497.0 MB in the end (delta: 411.0 MB). Free memory was 44.1 MB in the beginning and 297.6 MB in the end (delta: -253.5 MB). Peak memory consumption was 158.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:03:03,459 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory is still 60.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:03:03,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.58 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 43.9 MB in the beginning and 84.0 MB in the end (delta: -40.1 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:03:03,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.94 ms. Allocated memory is still 113.2 MB. Free memory was 84.0 MB in the beginning and 82.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:03:03,462 INFO L168 Benchmark]: Boogie Preprocessor took 61.03 ms. Allocated memory is still 113.2 MB. Free memory was 82.3 MB in the beginning and 81.5 MB in the end (delta: 753.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:03:03,466 INFO L168 Benchmark]: RCFGBuilder took 515.76 ms. Allocated memory is still 113.2 MB. Free memory was 81.1 MB in the beginning and 83.7 MB in the end (delta: -2.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:03:03,472 INFO L168 Benchmark]: CodeCheck took 86937.86 ms. Allocated memory was 113.2 MB in the beginning and 497.0 MB in the end (delta: 383.8 MB). Free memory was 83.7 MB in the beginning and 300.8 MB in the end (delta: -217.1 MB). Peak memory consumption was 360.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:03:03,472 INFO L168 Benchmark]: Witness Printer took 83.95 ms. Allocated memory is still 497.0 MB. Free memory was 300.8 MB in the beginning and 297.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:03:03,477 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: 84.6s, OverallIterations: 38, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: -2147450880 SDtfs, -2026256576 SDslu, -990838672 SDs, 0 SdLazy, 1877601876 SolverSat, 1247757428 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 53.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22117 GetRequests, 21013 SyntacticMatches, 652 SemanticMatches, 452 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130926 ImplicationChecksByTransitivity, 54.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 32.6s InterpolantComputationTime, 2559 NumberOfCodeBlocks, 2559 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 2522 ConstructedInterpolants, 0 QuantifiedInterpolants, 13732 SizeOfPredicates, 96 NumberOfNonLiveVariables, 6477 ConjunctsInSsa, 816 ConjunctsInUnsatCore, 37 InterpolantComputations, 11 PerfectInterpolantSequences, 11471/12190 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: (((((((A <= 5 && 0 <= A) && B == d) || (((!((B == 1 && p == 2) && d == 2 * B) && !((d == 8 * B && B == 1) && p == 8)) && !((B == 1 && p == 1) && B == d)) && !((p == 4 && d == 4 * B) && B == 1))) || (4 * B <= r && p == 8)) || !(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 0.33 ms. Allocated memory is still 86.0 MB. Free memory is still 60.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 294.58 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 43.9 MB in the beginning and 84.0 MB in the end (delta: -40.1 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.94 ms. Allocated memory is still 113.2 MB. Free memory was 84.0 MB in the beginning and 82.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.03 ms. Allocated memory is still 113.2 MB. Free memory was 82.3 MB in the beginning and 81.5 MB in the end (delta: 753.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 515.76 ms. Allocated memory is still 113.2 MB. Free memory was 81.1 MB in the beginning and 83.7 MB in the end (delta: -2.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 86937.86 ms. Allocated memory was 113.2 MB in the beginning and 497.0 MB in the end (delta: 383.8 MB). Free memory was 83.7 MB in the beginning and 300.8 MB in the end (delta: -217.1 MB). Peak memory consumption was 360.7 MB. Max. memory is 16.1 GB. * Witness Printer took 83.95 ms. Allocated memory is still 497.0 MB. Free memory was 300.8 MB in the beginning and 297.6 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 03:03:03,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5c92e-4eaf-4b68-ba9b-a24667dfa723/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...