./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba1a5c8c8cff607fde50280cfe0e0975858a4c6ed38f8443d26bb1773b66a31d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:37:03,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:37:03,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:37:03,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:37:03,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:37:03,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:37:03,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:37:03,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:37:03,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:37:03,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:37:03,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:37:03,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:37:03,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:37:03,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:37:03,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:37:03,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:37:03,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:37:03,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:37:03,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:37:03,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:37:03,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:37:03,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:37:03,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:37:03,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:37:03,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:37:03,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:37:03,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:37:03,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:37:03,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:37:03,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:37:03,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:37:03,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:37:03,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:37:03,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:37:03,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:37:03,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:37:03,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:37:03,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:37:03,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:37:03,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:37:03,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:37:03,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:37:03,840 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:37:03,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:37:03,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:37:03,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:37:03,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:37:03,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:37:03,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:37:03,845 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:37:03,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:37:03,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:37:03,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:37:03,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:37:03,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:37:03,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:37:03,855 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:37:03,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:37:03,856 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:37:03,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:37:03,856 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:37:03,856 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:37:03,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:37:03,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:37:03,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:37:03,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:37:03,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:37:03,858 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:37:03,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:37:03,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:37:03,859 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_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba1a5c8c8cff607fde50280cfe0e0975858a4c6ed38f8443d26bb1773b66a31d [2021-11-23 01:37:04,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:37:04,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:37:04,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:37:04,229 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:37:04,231 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:37:04,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/forester-heap/sll-01-1.i [2021-11-23 01:37:04,335 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ/data/aedb0ce77/206829e13e164201819dea1b48dceb7c/FLAGed1c14dba [2021-11-23 01:37:04,989 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:37:04,990 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i [2021-11-23 01:37:05,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ/data/aedb0ce77/206829e13e164201819dea1b48dceb7c/FLAGed1c14dba [2021-11-23 01:37:05,210 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ/data/aedb0ce77/206829e13e164201819dea1b48dceb7c [2021-11-23 01:37:05,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:37:05,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:37:05,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:37:05,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:37:05,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:37:05,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:05" (1/1) ... [2021-11-23 01:37:05,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a5d60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:05, skipping insertion in model container [2021-11-23 01:37:05,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:05" (1/1) ... [2021-11-23 01:37:05,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:37:05,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:37:05,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[22034,22047] [2021-11-23 01:37:05,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[22307,22320] [2021-11-23 01:37:05,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[22516,22529] [2021-11-23 01:37:05,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[22586,22599] [2021-11-23 01:37:05,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[22853,22866] [2021-11-23 01:37:05,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[22961,22974] [2021-11-23 01:37:05,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[23192,23205] [2021-11-23 01:37:05,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[23272,23285] [2021-11-23 01:37:05,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[23351,23364] [2021-11-23 01:37:05,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[23441,23454] [2021-11-23 01:37:05,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[23619,23632] [2021-11-23 01:37:05,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[23697,23710] [2021-11-23 01:37:05,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[23774,23787] [2021-11-23 01:37:05,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:37:05,766 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:37:05,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[22034,22047] [2021-11-23 01:37:05,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[22307,22320] [2021-11-23 01:37:05,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[22516,22529] [2021-11-23 01:37:05,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[22586,22599] [2021-11-23 01:37:05,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[22853,22866] [2021-11-23 01:37:05,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[22961,22974] [2021-11-23 01:37:05,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[23192,23205] [2021-11-23 01:37:05,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[23272,23285] [2021-11-23 01:37:05,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[23351,23364] [2021-11-23 01:37:05,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[23441,23454] [2021-11-23 01:37:05,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[23619,23632] [2021-11-23 01:37:05,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[23697,23710] [2021-11-23 01:37:05,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/sv-benchmarks/c/forester-heap/sll-01-1.i[23774,23787] [2021-11-23 01:37:05,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:37:05,895 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:37:05,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:05 WrapperNode [2021-11-23 01:37:05,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:37:05,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:37:05,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:37:05,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:37:05,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:05" (1/1) ... [2021-11-23 01:37:05,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:05" (1/1) ... [2021-11-23 01:37:05,967 INFO L137 Inliner]: procedures = 119, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 221 [2021-11-23 01:37:05,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:37:05,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:37:05,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:37:05,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:37:05,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:05" (1/1) ... [2021-11-23 01:37:05,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:05" (1/1) ... [2021-11-23 01:37:05,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:05" (1/1) ... [2021-11-23 01:37:05,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:05" (1/1) ... [2021-11-23 01:37:05,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:05" (1/1) ... [2021-11-23 01:37:06,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:05" (1/1) ... [2021-11-23 01:37:06,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:05" (1/1) ... [2021-11-23 01:37:06,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:37:06,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:37:06,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:37:06,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:37:06,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:05" (1/1) ... [2021-11-23 01:37:06,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:37:06,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:37:06,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:37:06,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a45894-0c76-4ff1-93e4-805ee47a3794/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:37:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:37:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:37:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:37:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:37:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:37:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:37:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:37:06,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:37:06,300 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:37:06,302 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:37:06,755 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:37:06,897 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:37:06,897 INFO L301 CfgBuilder]: Removed 30 assume(true) statements. [2021-11-23 01:37:06,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:06 BoogieIcfgContainer [2021-11-23 01:37:06,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:37:06,902 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:37:06,902 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:37:06,916 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:37:06,916 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:06" (1/1) ... [2021-11-23 01:37:06,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:37:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:07,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 74 states and 118 transitions. [2021-11-23 01:37:07,011 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2021-11-23 01:37:07,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:37:07,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:07,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:07,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:07,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:07,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2021-11-23 01:37:07,234 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2021-11-23 01:37:07,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:37:07,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:07,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:07,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:07,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:07,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 108 transitions. [2021-11-23 01:37:07,428 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2021-11-23 01:37:07,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:07,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:07,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:07,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:07,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:07,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2021-11-23 01:37:07,511 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2021-11-23 01:37:07,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:37:07,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:07,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:07,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:07,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:07,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 68 states and 98 transitions. [2021-11-23 01:37:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 98 transitions. [2021-11-23 01:37:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:37:07,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:07,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:07,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:07,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2021-11-23 01:37:07,885 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2021-11-23 01:37:07,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:37:07,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:07,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:07,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:07,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2021-11-23 01:37:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2021-11-23 01:37:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:37:07,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:07,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:08,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:08,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:08,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2021-11-23 01:37:08,058 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2021-11-23 01:37:08,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:37:08,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:08,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:08,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:08,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 70 states and 95 transitions. [2021-11-23 01:37:08,146 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2021-11-23 01:37:08,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:37:08,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:08,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:08,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:08,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:08,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 76 states and 101 transitions. [2021-11-23 01:37:08,652 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2021-11-23 01:37:08,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:37:08,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:08,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:08,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:08,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:08,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 74 states and 97 transitions. [2021-11-23 01:37:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2021-11-23 01:37:08,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:37:08,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:08,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:11,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:11,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 112 transitions. [2021-11-23 01:37:11,226 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2021-11-23 01:37:11,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:37:11,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:11,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:11,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 99 states and 130 transitions. [2021-11-23 01:37:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 130 transitions. [2021-11-23 01:37:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:37:15,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:15,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:15,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:37:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:15,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 97 states and 128 transitions. [2021-11-23 01:37:15,460 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions. [2021-11-23 01:37:15,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:37:15,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:15,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:16,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:16,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 90 states and 119 transitions. [2021-11-23 01:37:16,155 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 119 transitions. [2021-11-23 01:37:16,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:37:16,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:16,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:16,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:20,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 100 states and 137 transitions. [2021-11-23 01:37:20,502 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 137 transitions. [2021-11-23 01:37:20,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:37:20,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:20,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:20,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:20,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:20,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 101 states and 137 transitions. [2021-11-23 01:37:20,862 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2021-11-23 01:37:20,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:37:20,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:20,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:25,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:25,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 110 states and 151 transitions. [2021-11-23 01:37:25,134 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 151 transitions. [2021-11-23 01:37:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:37:25,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:25,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:25,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:27,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:27,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 121 states and 168 transitions. [2021-11-23 01:37:27,755 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 168 transitions. [2021-11-23 01:37:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:37:27,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:27,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:34,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:34,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 132 states and 193 transitions. [2021-11-23 01:37:34,436 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 193 transitions. [2021-11-23 01:37:34,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:37:34,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:34,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:37,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:37,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 132 states and 190 transitions. [2021-11-23 01:37:37,467 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2021-11-23 01:37:37,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:37:37,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:37,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:39,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 142 states and 205 transitions. [2021-11-23 01:37:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 205 transitions. [2021-11-23 01:37:46,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:37:46,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:46,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:46,731 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:37:47,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:47,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 143 states and 206 transitions. [2021-11-23 01:37:47,548 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 206 transitions. [2021-11-23 01:37:47,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:37:47,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:47,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:50,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:55,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:55,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 151 states and 218 transitions. [2021-11-23 01:37:55,789 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions. [2021-11-23 01:37:55,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:37:55,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:55,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:55,933 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:38:01,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:01,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 162 states and 229 transitions. [2021-11-23 01:38:01,708 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 229 transitions. [2021-11-23 01:38:01,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:38:01,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:01,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:04,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:22,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:22,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 182 states and 275 transitions. [2021-11-23 01:38:22,152 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 275 transitions. [2021-11-23 01:38:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:38:22,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:22,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:38:37,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:37,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 205 states and 312 transitions. [2021-11-23 01:38:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 312 transitions. [2021-11-23 01:38:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:38:37,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:37,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:39,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:53,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:53,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 217 states and 337 transitions. [2021-11-23 01:38:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 337 transitions. [2021-11-23 01:38:53,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:38:53,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:53,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:54,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:39:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 228 states and 350 transitions. [2021-11-23 01:39:04,757 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 350 transitions. [2021-11-23 01:39:04,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:39:04,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:04,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:05,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:25,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:25,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 251 states and 378 transitions. [2021-11-23 01:39:25,376 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 378 transitions. [2021-11-23 01:39:25,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:39:25,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:25,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:39:27,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:27,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 253 states and 383 transitions. [2021-11-23 01:39:27,152 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 383 transitions. [2021-11-23 01:39:27,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:39:27,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:27,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:29,553 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:50,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 266 states and 411 transitions. [2021-11-23 01:39:50,819 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 411 transitions. [2021-11-23 01:39:50,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:39:50,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:50,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:55,395 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:19,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:19,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 282 states and 450 transitions. [2021-11-23 01:40:19,647 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 450 transitions. [2021-11-23 01:40:19,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:40:19,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:19,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 284 states and 453 transitions. [2021-11-23 01:40:22,941 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 453 transitions. [2021-11-23 01:40:22,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:40:22,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:22,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:24,475 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:40:41,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 295 states and 483 transitions. [2021-11-23 01:40:41,515 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 483 transitions. [2021-11-23 01:40:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:40:41,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:41,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:48,086 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:18,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:18,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 310 states and 518 transitions. [2021-11-23 01:41:18,280 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 518 transitions. [2021-11-23 01:41:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:41:18,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:18,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:50,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 321 states and 546 transitions. [2021-11-23 01:41:50,027 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 546 transitions. [2021-11-23 01:41:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:41:50,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:50,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:10,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:10,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 332 states and 557 transitions. [2021-11-23 01:42:10,771 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 557 transitions. [2021-11-23 01:42:10,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:42:10,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:10,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:18,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:18,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 335 states and 561 transitions. [2021-11-23 01:42:18,227 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 561 transitions. [2021-11-23 01:42:18,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:42:18,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:18,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:19,750 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:42:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:38,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 344 states and 585 transitions. [2021-11-23 01:42:38,374 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 585 transitions. [2021-11-23 01:42:38,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:42:38,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:38,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:38,448 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:53,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 356 states and 603 transitions. [2021-11-23 01:42:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 603 transitions. [2021-11-23 01:42:53,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:42:53,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:53,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:36,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:36,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 367 states and 624 transitions. [2021-11-23 01:43:36,755 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 624 transitions. [2021-11-23 01:43:36,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:43:36,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:36,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:39,805 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:01,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:01,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 378 states and 635 transitions. [2021-11-23 01:44:01,092 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 635 transitions. [2021-11-23 01:44:01,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:44:01,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:01,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat