./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.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_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/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_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/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_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/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 5f094e7ea34d2025ab25ab51a4a0b06d8f845826c76dbd06e91f3d4a761fa19b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:08:31,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:08:31,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:08:31,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:08:31,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:08:31,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:08:31,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:08:31,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:08:31,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:08:31,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:08:31,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:08:31,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:08:31,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:08:31,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:08:31,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:08:31,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:08:31,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:08:31,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:08:31,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:08:31,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:08:31,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:08:31,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:08:31,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:08:31,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:08:31,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:08:31,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:08:31,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:08:31,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:08:31,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:08:31,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:08:31,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:08:31,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:08:31,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:08:31,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:08:31,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:08:31,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:08:31,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:08:31,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:08:31,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:08:31,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:08:31,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:08:31,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:08:31,949 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:08:31,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:08:31,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:08:31,951 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:08:31,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:08:31,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:08:31,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:08:31,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:08:31,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:08:31,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:08:31,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:08:31,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:08:31,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:08:31,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:08:31,956 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:08:31,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:08:31,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:08:31,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:08:31,957 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:08:31,958 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:08:31,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:08:31,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:08:31,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:08:31,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:08:31,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:08:31,959 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:08:31,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:08:31,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:08:31,960 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_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f094e7ea34d2025ab25ab51a4a0b06d8f845826c76dbd06e91f3d4a761fa19b [2021-10-29 03:08:32,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:08:32,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:08:32,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:08:32,371 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:08:32,372 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:08:32,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c [2021-10-29 03:08:32,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/bin/ukojak-Rh5K9KB4LI/data/66929bc84/2322e80ad0524b09bf4fedad9a2e001b/FLAGf53ef39f9 [2021-10-29 03:08:32,987 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:08:32,988 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c [2021-10-29 03:08:32,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/bin/ukojak-Rh5K9KB4LI/data/66929bc84/2322e80ad0524b09bf4fedad9a2e001b/FLAGf53ef39f9 [2021-10-29 03:08:33,367 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/bin/ukojak-Rh5K9KB4LI/data/66929bc84/2322e80ad0524b09bf4fedad9a2e001b [2021-10-29 03:08:33,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:08:33,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:08:33,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:08:33,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:08:33,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:08:33,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:08:33" (1/1) ... [2021-10-29 03:08:33,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10785cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:33, skipping insertion in model container [2021-10-29 03:08:33,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:08:33" (1/1) ... [2021-10-29 03:08:33,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:08:33,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:08:33,611 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_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c[526,539] [2021-10-29 03:08:33,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:08:33,680 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:08:33,704 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_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c[526,539] [2021-10-29 03:08:33,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:08:33,748 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:08:33,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:33 WrapperNode [2021-10-29 03:08:33,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:08:33,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:08:33,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:08:33,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:08:33,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:33" (1/1) ... [2021-10-29 03:08:33,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:33" (1/1) ... [2021-10-29 03:08:33,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:08:33,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:08:33,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:08:33,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:08:33,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:33" (1/1) ... [2021-10-29 03:08:33,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:33" (1/1) ... [2021-10-29 03:08:33,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:33" (1/1) ... [2021-10-29 03:08:33,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:33" (1/1) ... [2021-10-29 03:08:33,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:33" (1/1) ... [2021-10-29 03:08:33,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:33" (1/1) ... [2021-10-29 03:08:33,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:33" (1/1) ... [2021-10-29 03:08:33,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:08:33,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:08:33,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:08:33,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:08:33,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:33" (1/1) ... [2021-10-29 03:08:33,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:08:33,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:08:33,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:08:33,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:08:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:08:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:08:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:08:33,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:08:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:08:33,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:08:34,270 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:08:34,270 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 03:08:34,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:08:34 BoogieIcfgContainer [2021-10-29 03:08:34,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:08:34,274 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:08:34,274 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:08:34,287 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:08:34,287 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:08:34" (1/1) ... [2021-10-29 03:08:34,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:08:34,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:34,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2021-10-29 03:08:34,343 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2021-10-29 03:08:34,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:08:34,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:34,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:34,505 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 03:08:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-10-29 03:08:34,519 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-10-29 03:08:34,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:08:34,520 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:34,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:34,662 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 03:08:34,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:34,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2021-10-29 03:08:34,804 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2021-10-29 03:08:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:08:34,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:34,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:34,908 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 03:08:35,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:35,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2021-10-29 03:08:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2021-10-29 03:08:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:08:35,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:35,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:35,325 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 03:08:35,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2021-10-29 03:08:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2021-10-29 03:08:35,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:08:35,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:35,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:35,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:08:35,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:36,024 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 03:08:36,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:36,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2021-10-29 03:08:36,782 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2021-10-29 03:08:36,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:08:36,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:36,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:36,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:08:36,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:37,088 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 03:08:37,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 72 transitions. [2021-10-29 03:08:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2021-10-29 03:08:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:08:37,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:37,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:37,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:08:37,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:37,665 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 03:08:38,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:38,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 52 states and 107 transitions. [2021-10-29 03:08:38,895 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2021-10-29 03:08:38,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:08:38,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:38,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:38,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:08:38,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:08:39,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:39,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 54 states and 113 transitions. [2021-10-29 03:08:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2021-10-29 03:08:39,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:08:39,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:39,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:39,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:08:39,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:39,832 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 03:08:40,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:40,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 59 states and 128 transitions. [2021-10-29 03:08:40,878 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 128 transitions. [2021-10-29 03:08:40,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:08:40,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:40,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:40,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:08:40,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 03:08:41,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:41,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 61 states and 130 transitions. [2021-10-29 03:08:41,541 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 130 transitions. [2021-10-29 03:08:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:08:41,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:41,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:41,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:08:41,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:41,903 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:08:43,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:43,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 67 states and 151 transitions. [2021-10-29 03:08:43,844 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 151 transitions. [2021-10-29 03:08:43,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:08:43,847 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:43,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:43,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:08:43,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:44,123 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:08:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:44,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 69 states and 152 transitions. [2021-10-29 03:08:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 152 transitions. [2021-10-29 03:08:44,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 03:08:44,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:44,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:44,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:08:44,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:44,937 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 03:08:45,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:45,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 72 states and 168 transitions. [2021-10-29 03:08:45,326 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 168 transitions. [2021-10-29 03:08:45,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:08:45,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:45,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:45,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 03:08:45,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:08:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:46,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 77 states and 184 transitions. [2021-10-29 03:08:46,874 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 184 transitions. [2021-10-29 03:08:46,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 03:08:46,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:46,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:46,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:08:46,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:47,128 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 03:08:47,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:47,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 79 states and 192 transitions. [2021-10-29 03:08:47,636 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 192 transitions. [2021-10-29 03:08:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:08:47,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:47,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:47,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:08:47,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-10-29 03:08:48,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 79 states and 190 transitions. [2021-10-29 03:08:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 190 transitions. [2021-10-29 03:08:48,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:08:48,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:48,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:48,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:08:48,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:48,704 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:08:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:51,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 89 states and 252 transitions. [2021-10-29 03:08:51,137 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 252 transitions. [2021-10-29 03:08:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:08:51,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:51,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:51,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:08:51,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:51,306 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:08:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:51,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 89 states and 251 transitions. [2021-10-29 03:08:51,652 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 251 transitions. [2021-10-29 03:08:51,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 03:08:51,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:51,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:51,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:08:51,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-29 03:08:53,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:53,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 92 states and 261 transitions. [2021-10-29 03:08:53,081 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 261 transitions. [2021-10-29 03:08:53,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 03:08:53,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:53,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:53,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:08:53,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-29 03:08:54,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 94 states and 267 transitions. [2021-10-29 03:08:54,147 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 267 transitions. [2021-10-29 03:08:54,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 03:08:54,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:54,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:54,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:08:54,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:54,346 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-29 03:08:54,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:54,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 96 states and 269 transitions. [2021-10-29 03:08:54,979 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 269 transitions. [2021-10-29 03:08:54,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-29 03:08:54,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:54,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:55,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-29 03:08:55,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 03:08:58,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:58,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 102 states and 298 transitions. [2021-10-29 03:08:58,617 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 298 transitions. [2021-10-29 03:08:58,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-29 03:08:58,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:58,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:58,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-29 03:08:58,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:59,019 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 03:09:00,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:00,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 105 states and 301 transitions. [2021-10-29 03:09:00,427 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 301 transitions. [2021-10-29 03:09:00,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-29 03:09:00,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:00,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:00,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-29 03:09:00,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:00,814 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 03:09:01,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:01,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 107 states and 302 transitions. [2021-10-29 03:09:01,931 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 302 transitions. [2021-10-29 03:09:01,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 03:09:01,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:01,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:01,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:09:01,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 03:09:07,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:07,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 119 states and 354 transitions. [2021-10-29 03:09:07,911 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 354 transitions. [2021-10-29 03:09:07,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 03:09:07,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:07,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:07,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:09:07,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:08,434 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 03:09:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:10,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 124 states and 367 transitions. [2021-10-29 03:09:10,814 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 367 transitions. [2021-10-29 03:09:10,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 03:09:10,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:10,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:10,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:09:10,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 03:09:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 127 states and 377 transitions. [2021-10-29 03:09:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 377 transitions. [2021-10-29 03:09:13,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 03:09:13,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:13,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:13,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:09:13,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:14,219 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 03:09:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:17,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 130 states and 381 transitions. [2021-10-29 03:09:17,009 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 381 transitions. [2021-10-29 03:09:17,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 03:09:17,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:17,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:17,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:09:17,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 03:09:19,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:19,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 134 states and 435 transitions. [2021-10-29 03:09:19,241 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 435 transitions. [2021-10-29 03:09:19,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 03:09:19,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:19,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:19,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:09:19,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-29 03:09:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:22,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 137 states and 449 transitions. [2021-10-29 03:09:22,128 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 449 transitions. [2021-10-29 03:09:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 03:09:22,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:22,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:22,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:09:22,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-10-29 03:09:23,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:23,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 137 states and 445 transitions. [2021-10-29 03:09:23,296 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 445 transitions. [2021-10-29 03:09:23,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 03:09:23,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:23,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:23,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:09:23,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 03:09:26,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:26,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 143 states and 462 transitions. [2021-10-29 03:09:26,637 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 462 transitions. [2021-10-29 03:09:26,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 03:09:26,640 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:26,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:26,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:09:26,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 03:09:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:27,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 143 states and 461 transitions. [2021-10-29 03:09:27,525 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 461 transitions. [2021-10-29 03:09:27,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 03:09:27,528 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:27,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:27,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:09:27,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:27,763 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 03:09:28,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:28,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 143 states and 460 transitions. [2021-10-29 03:09:28,478 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 460 transitions. [2021-10-29 03:09:28,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-29 03:09:28,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:28,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:28,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:09:28,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-10-29 03:09:30,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:30,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 143 states and 459 transitions. [2021-10-29 03:09:30,581 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 459 transitions. [2021-10-29 03:09:30,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-29 03:09:30,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:30,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:30,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:09:30,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:30,847 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 54 proven. 126 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-29 03:09:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:32,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 145 states and 467 transitions. [2021-10-29 03:09:32,207 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 467 transitions. [2021-10-29 03:09:32,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-29 03:09:32,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:32,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:32,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:09:32,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:32,451 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 34 proven. 25 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2021-10-29 03:09:33,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 147 states and 469 transitions. [2021-10-29 03:09:33,644 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 469 transitions. [2021-10-29 03:09:33,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-29 03:09:33,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:33,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:33,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-29 03:09:33,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 20 proven. 11 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-10-29 03:09:37,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:37,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 150 states and 492 transitions. [2021-10-29 03:09:37,832 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 492 transitions. [2021-10-29 03:09:37,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-10-29 03:09:37,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:37,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:37,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 03:09:37,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:09:46,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:46,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 156 states and 529 transitions. [2021-10-29 03:09:46,165 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 529 transitions. [2021-10-29 03:09:46,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-10-29 03:09:46,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:46,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:46,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 03:09:46,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:46,635 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:09:48,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:48,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 159 states and 533 transitions. [2021-10-29 03:09:48,964 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 533 transitions. [2021-10-29 03:09:48,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-10-29 03:09:48,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:48,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:49,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 03:09:49,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:49,456 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:09:53,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:53,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 162 states and 538 transitions. [2021-10-29 03:09:53,050 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 538 transitions. [2021-10-29 03:09:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-10-29 03:09:53,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:53,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:53,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 03:09:53,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:09:55,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 164 states and 540 transitions. [2021-10-29 03:09:55,820 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 540 transitions. [2021-10-29 03:09:55,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-29 03:09:55,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:55,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:55,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:09:55,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:09:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:09:58,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:58,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 165 states and 544 transitions. [2021-10-29 03:09:58,483 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 544 transitions. [2021-10-29 03:09:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:09:58,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:58,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:58,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 03:09:58,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:10:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 21 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:10:12,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:12,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 177 states and 608 transitions. [2021-10-29 03:10:12,453 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 608 transitions. [2021-10-29 03:10:12,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:10:12,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:12,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:12,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:10:12,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:10:13,501 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:10:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 179 states and 613 transitions. [2021-10-29 03:10:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 613 transitions. [2021-10-29 03:10:16,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:10:16,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:16,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:16,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:10:16,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:10:16,498 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:10:24,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:24,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 188 states and 701 transitions. [2021-10-29 03:10:24,234 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 701 transitions. [2021-10-29 03:10:24,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:10:24,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:24,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:24,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 03:10:24,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:10:25,047 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 21 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:10:26,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:26,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 188 states and 700 transitions. [2021-10-29 03:10:26,849 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 700 transitions. [2021-10-29 03:10:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:10:26,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:26,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:27,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 03:10:27,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:10:27,809 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 21 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:10:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:37,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 194 states and 718 transitions. [2021-10-29 03:10:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 718 transitions. [2021-10-29 03:10:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:10:37,509 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:37,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:37,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:10:37,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:10:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:10:45,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:45,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 197 states and 723 transitions. [2021-10-29 03:10:45,009 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 723 transitions. [2021-10-29 03:10:45,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:10:45,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:45,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:45,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 03:10:45,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:10:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 21 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:10:52,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:52,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 200 states and 727 transitions. [2021-10-29 03:10:52,192 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 727 transitions. [2021-10-29 03:10:52,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:10:52,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:52,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:52,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:10:52,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:10:52,518 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:10:55,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:55,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 203 states and 728 transitions. [2021-10-29 03:10:55,565 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 728 transitions. [2021-10-29 03:10:55,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:10:55,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:55,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:55,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:10:55,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:10:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 24 proven. 22 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 03:11:02,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:02,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 206 states and 743 transitions. [2021-10-29 03:11:02,437 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 743 transitions. [2021-10-29 03:11:02,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:11:02,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:02,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:02,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:11:02,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:11:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 252 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-29 03:11:09,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:09,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 210 states and 750 transitions. [2021-10-29 03:11:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 750 transitions. [2021-10-29 03:11:09,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:11:09,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:09,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:09,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 03:11:09,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:11:10,111 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-10-29 03:11:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 214 states and 790 transitions. [2021-10-29 03:11:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 790 transitions. [2021-10-29 03:11:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:11:17,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:17,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:17,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:11:17,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:11:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 252 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-29 03:11:18,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:18,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 214 states and 789 transitions. [2021-10-29 03:11:18,759 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 789 transitions. [2021-10-29 03:11:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:11:18,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:18,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:18,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:11:18,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:11:19,030 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 252 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-29 03:11:20,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 214 states and 788 transitions. [2021-10-29 03:11:20,212 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 788 transitions. [2021-10-29 03:11:20,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:11:20,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:20,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:20,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:11:20,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:11:20,469 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 252 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-29 03:11:21,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 214 states and 787 transitions. [2021-10-29 03:11:21,664 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 787 transitions. [2021-10-29 03:11:21,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-29 03:11:21,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:21,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:21,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:11:21,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:11:22,522 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-29 03:11:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 216 states and 789 transitions. [2021-10-29 03:11:26,214 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 789 transitions. [2021-10-29 03:11:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-29 03:11:26,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:26,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:26,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:11:26,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:11:26,513 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-29 03:11:27,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:27,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 217 states and 791 transitions. [2021-10-29 03:11:27,898 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 791 transitions. [2021-10-29 03:11:27,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:11:27,899 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:27,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:27,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:11:27,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:11:28,173 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 4 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2021-10-29 03:11:32,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:32,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 221 states and 815 transitions. [2021-10-29 03:11:32,681 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 815 transitions. [2021-10-29 03:11:32,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:11:32,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:32,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:32,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:11:32,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:11:32,990 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 72 proven. 252 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-10-29 03:11:35,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:35,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 223 states and 818 transitions. [2021-10-29 03:11:35,975 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 818 transitions. [2021-10-29 03:11:35,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:11:35,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:35,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:36,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:11:36,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:11:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 44 proven. 34 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 03:11:39,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:39,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 225 states and 820 transitions. [2021-10-29 03:11:39,016 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 820 transitions. [2021-10-29 03:11:39,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:11:39,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:39,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:39,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:11:39,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:11:39,280 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 4 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2021-10-29 03:11:42,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 226 states and 822 transitions. [2021-10-29 03:11:42,659 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 822 transitions. [2021-10-29 03:11:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:11:42,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:42,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:42,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:11:42,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:11:42,972 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 72 proven. 252 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-10-29 03:11:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 228 states and 825 transitions. [2021-10-29 03:11:47,350 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 825 transitions. [2021-10-29 03:11:47,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-29 03:11:47,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:47,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:47,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:11:47,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:11:50,626 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 03:11:58,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:58,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 230 states and 866 transitions. [2021-10-29 03:11:58,408 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 866 transitions. [2021-10-29 03:11:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-29 03:11:58,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:58,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:58,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 03:11:58,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:12:03,275 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 03:12:17,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:12:17,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 235 states and 902 transitions. [2021-10-29 03:12:17,275 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 902 transitions. [2021-10-29 03:12:17,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-29 03:12:17,277 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:12:17,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:12:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:12:17,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:12:17,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:12:18,302 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 321 proven. 2 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-29 03:12:55,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:12:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 258 states and 1045 transitions. [2021-10-29 03:12:55,233 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 1045 transitions. [2021-10-29 03:12:55,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-29 03:12:55,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:12:55,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:12:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:12:55,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:12:55,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:12:55,569 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 321 proven. 2 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-29 03:12:57,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:12:57,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 258 states and 1044 transitions. [2021-10-29 03:12:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 1044 transitions. [2021-10-29 03:12:57,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-29 03:12:57,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:12:57,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:12:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:12:57,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-29 03:12:57,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:13:01,038 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 28 proven. 61 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-10-29 03:13:20,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:13:20,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 261 states and 1069 transitions. [2021-10-29 03:13:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 1069 transitions. [2021-10-29 03:13:20,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-29 03:13:20,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:13:20,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:13:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:13:21,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:13:21,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:13:22,819 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 03:13:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:13:49,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 267 states and 1129 transitions. [2021-10-29 03:13:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 1129 transitions. [2021-10-29 03:13:49,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-29 03:13:49,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:13:49,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:13:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:13:49,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:13:49,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:13:49,930 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 03:13:56,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:13:56,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 270 states and 1132 transitions. [2021-10-29 03:13:56,074 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1132 transitions. [2021-10-29 03:13:56,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-29 03:13:56,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:13:56,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:13:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:13:56,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:13:56,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:13:56,545 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 03:14:05,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 272 states and 1134 transitions. [2021-10-29 03:14:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 1134 transitions. [2021-10-29 03:14:05,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-29 03:14:05,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:05,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:05,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:14:05,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:14:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 03:14:11,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:11,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 274 states and 1136 transitions. [2021-10-29 03:14:11,424 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 1136 transitions. [2021-10-29 03:14:11,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-29 03:14:11,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:11,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:11,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:14:11,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:14:11,914 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 03:14:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:14,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 275 states and 1137 transitions. [2021-10-29 03:14:14,730 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1137 transitions. [2021-10-29 03:14:14,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-29 03:14:14,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:14,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:14,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:14:14,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:14:15,315 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 03:14:20,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:20,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 277 states and 1139 transitions. [2021-10-29 03:14:20,370 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1139 transitions. [2021-10-29 03:14:20,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-29 03:14:20,373 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:20,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:20,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:14:20,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:14:20,865 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 03:14:23,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:23,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 278 states and 1140 transitions. [2021-10-29 03:14:23,341 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 1140 transitions. [2021-10-29 03:14:23,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-29 03:14:23,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:23,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:23,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:14:23,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:14:23,902 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 03:14:27,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:27,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 279 states and 1141 transitions. [2021-10-29 03:14:27,431 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 1141 transitions. [2021-10-29 03:14:27,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-29 03:14:27,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:27,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:27,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-29 03:14:27,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:14:33,066 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 28 proven. 27 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 03:14:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:44,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 280 states and 1149 transitions. [2021-10-29 03:14:44,226 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 1149 transitions. [2021-10-29 03:14:44,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-29 03:14:44,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:44,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:44,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-29 03:14:44,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:14:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 28 proven. 27 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 03:14:57,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:57,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 283 states and 1162 transitions. [2021-10-29 03:14:57,727 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 1162 transitions. [2021-10-29 03:14:57,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-29 03:14:57,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:57,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:57,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:14:57,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:14:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 378 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-10-29 03:15:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:14,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 290 states and 1173 transitions. [2021-10-29 03:15:14,439 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 1173 transitions. [2021-10-29 03:15:14,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-29 03:15:14,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:14,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:15:14,498 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:15:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:15:14,606 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 81 iterations. [2021-10-29 03:15:14,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:15:14 ImpRootNode [2021-10-29 03:15:14,740 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:15:14,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:15:14,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:15:14,741 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:15:14,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:08:34" (3/4) ... [2021-10-29 03:15:14,744 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:15:14,950 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:15:14,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:15:14,952 INFO L168 Benchmark]: Toolchain (without parser) took 401579.05 ms. Allocated memory was 107.0 MB in the beginning and 989.9 MB in the end (delta: 882.9 MB). Free memory was 75.5 MB in the beginning and 685.0 MB in the end (delta: -609.5 MB). Peak memory consumption was 273.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:14,952 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 107.0 MB. Free memory was 59.1 MB in the beginning and 59.1 MB in the end (delta: 44.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:15:14,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.27 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 82.5 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:14,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.45 ms. Allocated memory is still 107.0 MB. Free memory was 82.5 MB in the beginning and 80.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:14,954 INFO L168 Benchmark]: Boogie Preprocessor took 57.45 ms. Allocated memory is still 107.0 MB. Free memory was 80.8 MB in the beginning and 80.0 MB in the end (delta: 828.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:15:14,954 INFO L168 Benchmark]: RCFGBuilder took 388.62 ms. Allocated memory is still 107.0 MB. Free memory was 80.0 MB in the beginning and 68.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:14,955 INFO L168 Benchmark]: CodeCheck took 400465.94 ms. Allocated memory was 107.0 MB in the beginning and 989.9 MB in the end (delta: 882.9 MB). Free memory was 68.2 MB in the beginning and 690.3 MB in the end (delta: -622.1 MB). Peak memory consumption was 262.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:14,955 INFO L168 Benchmark]: Witness Printer took 209.31 ms. Allocated memory is still 989.9 MB. Free memory was 690.3 MB in the beginning and 685.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:14,958 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 400.2s, OverallIterations: 81, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 65536 SDtfs, -352972988 SDslu, -1182384120 SDs, 0 SdLazy, -1239040904 SolverSat, -1439554124 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 329.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80134 GetRequests, 76732 SyntacticMatches, 2356 SemanticMatches, 1046 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584022 ImplicationChecksByTransitivity, 353.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.4s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 51.1s InterpolantComputationTime, 5183 NumberOfCodeBlocks, 5183 NumberOfCodeBlocksAsserted, 81 NumberOfCheckSat, 5011 ConstructedInterpolants, 0 QuantifiedInterpolants, 19363 SizeOfPredicates, 172 NumberOfNonLiveVariables, 13596 ConjunctsInSsa, 1120 ConjunctsInUnsatCore, 80 InterpolantComputations, 13 PerfectInterpolantSequences, 13679/18493 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 - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] int A, B; [L25] int r, d, p, q; [L26] A = __VERIFIER_nondet_int() [L27] B = 1 [L29] r = A [L30] d = B [L31] p = 1 [L32] q = 0 VAL [counter=0] [L34] EXPR counter++ VAL [counter=1] [L34] COND TRUE counter++<5 [L35] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L35] RET __VERIFIER_assert(q == 0) VAL [counter=1] [L36] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L36] RET __VERIFIER_assert(r == A) VAL [counter=1] [L37] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L37] RET __VERIFIER_assert(d == B * p) VAL [counter=1] [L38] COND FALSE !(!(r >= d)) [L40] d = 2 * d [L41] p = 2 * p VAL [counter=1] [L34] EXPR counter++ VAL [counter=2] [L34] COND TRUE counter++<5 [L35] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L35] RET __VERIFIER_assert(q == 0) VAL [counter=2] [L36] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L36] RET __VERIFIER_assert(r == A) VAL [counter=2] [L37] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L37] RET __VERIFIER_assert(d == B * p) VAL [counter=2] [L38] COND FALSE !(!(r >= d)) [L40] d = 2 * d [L41] p = 2 * p VAL [counter=2] [L34] EXPR counter++ VAL [counter=3] [L34] COND TRUE counter++<5 [L35] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L35] RET __VERIFIER_assert(q == 0) VAL [counter=3] [L36] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L36] RET __VERIFIER_assert(r == A) VAL [counter=3] [L37] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L37] RET __VERIFIER_assert(d == B * p) VAL [counter=3] [L38] COND FALSE !(!(r >= d)) [L40] d = 2 * d [L41] p = 2 * p VAL [counter=3] [L34] EXPR counter++ VAL [counter=4] [L34] COND TRUE counter++<5 [L35] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=4] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=4] [L35] RET __VERIFIER_assert(q == 0) VAL [counter=4] [L36] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=4] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=4] [L36] RET __VERIFIER_assert(r == A) VAL [counter=4] [L37] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=4] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=4] [L37] RET __VERIFIER_assert(d == B * p) VAL [counter=4] [L38] COND TRUE !(r >= d) VAL [counter=4] [L44] EXPR counter++ VAL [counter=5] [L44] COND TRUE counter++<5 [L45] CALL __VERIFIER_assert(A == q*B + r) VAL [\old(cond)=1, counter=5] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=5] [L45] RET __VERIFIER_assert(A == q*B + r) VAL [counter=5] [L46] CALL __VERIFIER_assert(d == B*p) VAL [\old(cond)=1, counter=5] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=5] [L46] RET __VERIFIER_assert(d == B*p) VAL [counter=5] [L48] COND FALSE !(!(p != 1)) [L50] d = d / 2 [L51] p = p / 2 [L52] COND TRUE r >= d [L53] r = r - d [L54] q = q + p VAL [counter=5] [L44] EXPR counter++ VAL [counter=6] [L44] COND FALSE !(counter++<5) [L58] CALL __VERIFIER_assert(A == d*q + r) VAL [\old(cond)=0, counter=6] [L15] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=6] [L17] reach_error() VAL [\old(cond)=0, cond=0, counter=6] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 107.0 MB. Free memory was 59.1 MB in the beginning and 59.1 MB in the end (delta: 44.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 376.27 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 82.5 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.45 ms. Allocated memory is still 107.0 MB. Free memory was 82.5 MB in the beginning and 80.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.45 ms. Allocated memory is still 107.0 MB. Free memory was 80.8 MB in the beginning and 80.0 MB in the end (delta: 828.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 388.62 ms. Allocated memory is still 107.0 MB. Free memory was 80.0 MB in the beginning and 68.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 400465.94 ms. Allocated memory was 107.0 MB in the beginning and 989.9 MB in the end (delta: 882.9 MB). Free memory was 68.2 MB in the beginning and 690.3 MB in the end (delta: -622.1 MB). Peak memory consumption was 262.1 MB. Max. memory is 16.1 GB. * Witness Printer took 209.31 ms. Allocated memory is still 989.9 MB. Free memory was 690.3 MB in the beginning and 685.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:15:15,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29cdcc6-ef06-474e-96c2-0a5b86e5a996/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...