./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-token-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-token-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3438cae56d160b7d84eadaf1a799e28d3e56fe8aa8ad4206f8bf5c7c0818717b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:01,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:01,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:01,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:01,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:01,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:01,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:01,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:01,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:01,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:01,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:01,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:01,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:01,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:01,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:01,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:01,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:01,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:01,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:01,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:01,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:01,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:01,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:01,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:01,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:01,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:01,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:01,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:01,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:01,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:01,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:01,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:01,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:01,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:01,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:01,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:01,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:01,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:01,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:01,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:01,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:01,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:40:01,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:01,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:01,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:01,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:01,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:01,818 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:01,819 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:40:01,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:40:01,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:01,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:01,827 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:40:01,828 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:40:01,828 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:40:01,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:01,828 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:01,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:01,829 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:01,829 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:01,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:01,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:01,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:01,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:01,833 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:40:01,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:40:01,833 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_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3438cae56d160b7d84eadaf1a799e28d3e56fe8aa8ad4206f8bf5c7c0818717b [2021-11-23 15:40:02,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:02,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:02,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:02,177 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:02,178 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:02,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/sll-token-2.i [2021-11-23 15:40:02,260 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu/data/201ed768f/a1b5c05d8a974f80a743254194037c9b/FLAG4dd1f75a7 [2021-11-23 15:40:02,868 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:02,868 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/sv-benchmarks/c/forester-heap/sll-token-2.i [2021-11-23 15:40:02,883 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu/data/201ed768f/a1b5c05d8a974f80a743254194037c9b/FLAG4dd1f75a7 [2021-11-23 15:40:03,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu/data/201ed768f/a1b5c05d8a974f80a743254194037c9b [2021-11-23 15:40:03,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:03,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:03,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:03,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:03,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:03,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:03" (1/1) ... [2021-11-23 15:40:03,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13087607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:03, skipping insertion in model container [2021-11-23 15:40:03,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:03" (1/1) ... [2021-11-23 15:40:03,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:03,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:03,576 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_767c02a7-63d4-48de-aac6-e16a9e8ebc87/sv-benchmarks/c/forester-heap/sll-token-2.i[22162,22175] [2021-11-23 15:40:03,582 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_767c02a7-63d4-48de-aac6-e16a9e8ebc87/sv-benchmarks/c/forester-heap/sll-token-2.i[22311,22324] [2021-11-23 15:40:03,584 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_767c02a7-63d4-48de-aac6-e16a9e8ebc87/sv-benchmarks/c/forester-heap/sll-token-2.i[22402,22415] [2021-11-23 15:40:03,586 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_767c02a7-63d4-48de-aac6-e16a9e8ebc87/sv-benchmarks/c/forester-heap/sll-token-2.i[22484,22497] [2021-11-23 15:40:03,587 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_767c02a7-63d4-48de-aac6-e16a9e8ebc87/sv-benchmarks/c/forester-heap/sll-token-2.i[22562,22575] [2021-11-23 15:40:03,591 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_767c02a7-63d4-48de-aac6-e16a9e8ebc87/sv-benchmarks/c/forester-heap/sll-token-2.i[22708,22721] [2021-11-23 15:40:03,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:03,605 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:03,665 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_767c02a7-63d4-48de-aac6-e16a9e8ebc87/sv-benchmarks/c/forester-heap/sll-token-2.i[22162,22175] [2021-11-23 15:40:03,667 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_767c02a7-63d4-48de-aac6-e16a9e8ebc87/sv-benchmarks/c/forester-heap/sll-token-2.i[22311,22324] [2021-11-23 15:40:03,669 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_767c02a7-63d4-48de-aac6-e16a9e8ebc87/sv-benchmarks/c/forester-heap/sll-token-2.i[22402,22415] [2021-11-23 15:40:03,670 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_767c02a7-63d4-48de-aac6-e16a9e8ebc87/sv-benchmarks/c/forester-heap/sll-token-2.i[22484,22497] [2021-11-23 15:40:03,671 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_767c02a7-63d4-48de-aac6-e16a9e8ebc87/sv-benchmarks/c/forester-heap/sll-token-2.i[22562,22575] [2021-11-23 15:40:03,674 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_767c02a7-63d4-48de-aac6-e16a9e8ebc87/sv-benchmarks/c/forester-heap/sll-token-2.i[22708,22721] [2021-11-23 15:40:03,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:03,717 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:03,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:03 WrapperNode [2021-11-23 15:40:03,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:03,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:03,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:03,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:03,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:03" (1/1) ... [2021-11-23 15:40:03,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:03" (1/1) ... [2021-11-23 15:40:03,772 INFO L137 Inliner]: procedures = 119, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 132 [2021-11-23 15:40:03,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:03,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:03,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:03,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:03,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:03" (1/1) ... [2021-11-23 15:40:03,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:03" (1/1) ... [2021-11-23 15:40:03,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:03" (1/1) ... [2021-11-23 15:40:03,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:03" (1/1) ... [2021-11-23 15:40:03,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:03" (1/1) ... [2021-11-23 15:40:03,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:03" (1/1) ... [2021-11-23 15:40:03,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:03" (1/1) ... [2021-11-23 15:40:03,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:03,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:03,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:03,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:03,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:03" (1/1) ... [2021-11-23 15:40:03,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:03,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:03,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:03,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_767c02a7-63d4-48de-aac6-e16a9e8ebc87/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:40:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:40:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:40:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:40:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:40:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:40:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:40:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:04,037 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:04,039 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:04,568 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:40:04,600 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:40:04,600 INFO L301 CfgBuilder]: Removed 15 assume(true) statements. [2021-11-23 15:40:04,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:04 BoogieIcfgContainer [2021-11-23 15:40:04,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:40:04,605 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:40:04,605 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:40:04,616 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:40:04,616 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:04" (1/1) ... [2021-11-23 15:40:04,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:40:04,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:04,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 108 states and 131 transitions. [2021-11-23 15:40:04,690 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2021-11-23 15:40:04,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 15:40:04,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:04,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:04,860 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 15:40:04,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:04,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 107 states and 130 transitions. [2021-11-23 15:40:04,894 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 130 transitions. [2021-11-23 15:40:04,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 15:40:04,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:04,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:04,952 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 15:40:05,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:05,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 106 states and 129 transitions. [2021-11-23 15:40:05,034 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 129 transitions. [2021-11-23 15:40:05,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:40:05,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:05,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:05,116 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 15:40:05,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 105 states and 128 transitions. [2021-11-23 15:40:05,182 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2021-11-23 15:40:05,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:40:05,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:05,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:05,280 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 15:40:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 104 states and 127 transitions. [2021-11-23 15:40:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 127 transitions. [2021-11-23 15:40:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:40:05,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:05,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:05,480 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 15:40:05,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:05,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 104 states and 125 transitions. [2021-11-23 15:40:05,488 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2021-11-23 15:40:05,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:40:05,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:05,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:05,543 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 15:40:05,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:05,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 107 states and 130 transitions. [2021-11-23 15:40:05,582 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 130 transitions. [2021-11-23 15:40:05,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:40:05,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:05,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:05,695 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 15:40:05,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:05,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 110 states and 135 transitions. [2021-11-23 15:40:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 135 transitions. [2021-11-23 15:40:05,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:40:05,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:05,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:05,963 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 15:40:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:05,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 111 states and 137 transitions. [2021-11-23 15:40:05,987 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 137 transitions. [2021-11-23 15:40:05,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:40:05,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:05,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:06,117 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 15:40:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:06,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 112 states and 139 transitions. [2021-11-23 15:40:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 139 transitions. [2021-11-23 15:40:06,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:40:06,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:06,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:06,259 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 15:40:06,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 111 states and 138 transitions. [2021-11-23 15:40:06,286 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 138 transitions. [2021-11-23 15:40:06,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:40:06,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:06,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:06,379 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 15:40:06,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:06,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 112 states and 139 transitions. [2021-11-23 15:40:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 139 transitions. [2021-11-23 15:40:06,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:40:06,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:06,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:06,425 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 15:40:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 111 states and 138 transitions. [2021-11-23 15:40:06,446 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 138 transitions. [2021-11-23 15:40:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:40:06,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:06,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:06,555 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 15:40:06,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:06,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 112 states and 140 transitions. [2021-11-23 15:40:06,770 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 140 transitions. [2021-11-23 15:40:06,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:40:06,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:06,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:06,797 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 15:40:06,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:06,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 111 states and 139 transitions. [2021-11-23 15:40:06,811 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 139 transitions. [2021-11-23 15:40:06,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:40:06,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:06,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:06,847 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 15:40:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:06,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 112 states and 141 transitions. [2021-11-23 15:40:06,861 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 141 transitions. [2021-11-23 15:40:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:40:06,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:06,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:06,940 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 15:40:07,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:07,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 114 states and 145 transitions. [2021-11-23 15:40:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 145 transitions. [2021-11-23 15:40:07,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:40:07,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:07,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:07,483 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 15:40:08,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:08,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 116 states and 149 transitions. [2021-11-23 15:40:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2021-11-23 15:40:08,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:40:08,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:08,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:08,384 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 15:40:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 118 states and 153 transitions. [2021-11-23 15:40:08,696 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 153 transitions. [2021-11-23 15:40:08,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:40:08,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:08,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:08,838 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 15:40:09,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 120 states and 157 transitions. [2021-11-23 15:40:09,376 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 157 transitions. [2021-11-23 15:40:09,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:40:09,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:09,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:09,603 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 15:40:10,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 123 states and 161 transitions. [2021-11-23 15:40:10,489 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 161 transitions. [2021-11-23 15:40:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:40:10,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:10,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:10,519 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 15:40:10,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:10,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 123 states and 158 transitions. [2021-11-23 15:40:10,525 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 158 transitions. [2021-11-23 15:40:10,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:40:10,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:10,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:10,613 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 15:40:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 130 states and 169 transitions. [2021-11-23 15:40:12,114 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 169 transitions. [2021-11-23 15:40:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:40:12,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:12,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:12,311 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 15:40:14,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:14,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 139 states and 186 transitions. [2021-11-23 15:40:14,146 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 186 transitions. [2021-11-23 15:40:14,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:40:14,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:14,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:14,586 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 15:40:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:16,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 148 states and 202 transitions. [2021-11-23 15:40:16,801 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 202 transitions. [2021-11-23 15:40:16,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:40:16,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:16,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:16,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 152 states and 208 transitions. [2021-11-23 15:40:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 208 transitions. [2021-11-23 15:40:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:40:17,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:17,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:18,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 154 states and 214 transitions. [2021-11-23 15:40:18,594 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 214 transitions. [2021-11-23 15:40:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:40:18,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:18,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:18,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 113 states and 140 transitions. [2021-11-23 15:40:18,916 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 140 transitions. [2021-11-23 15:40:18,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:40:18,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:18,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:18,975 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 15:40:18,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:18,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 115 states and 142 transitions. [2021-11-23 15:40:18,990 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 142 transitions. [2021-11-23 15:40:18,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:40:18,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:18,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:19,048 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 15:40:19,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:19,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 115 states and 141 transitions. [2021-11-23 15:40:19,203 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 141 transitions. [2021-11-23 15:40:19,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:40:19,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:19,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:19,253 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 15:40:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 116 states and 141 transitions. [2021-11-23 15:40:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 141 transitions. [2021-11-23 15:40:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:40:19,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:19,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:19,338 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 15:40:19,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 117 states and 142 transitions. [2021-11-23 15:40:19,353 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 142 transitions. [2021-11-23 15:40:19,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:40:19,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:19,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:19,741 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 15:40:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 118 states and 142 transitions. [2021-11-23 15:40:20,887 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 142 transitions. [2021-11-23 15:40:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:40:20,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:20,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:21,904 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 15:40:25,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:25,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 124 states and 148 transitions. [2021-11-23 15:40:25,687 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 148 transitions. [2021-11-23 15:40:25,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:40:25,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:25,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:25,751 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 15:40:26,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:26,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 123 states and 147 transitions. [2021-11-23 15:40:26,162 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 147 transitions. [2021-11-23 15:40:26,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:40:26,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:26,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:26,213 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 15:40:26,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 126 states and 150 transitions. [2021-11-23 15:40:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 150 transitions. [2021-11-23 15:40:26,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:40:26,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:26,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:27,452 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 15:40:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 136 states and 161 transitions. [2021-11-23 15:40:31,180 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2021-11-23 15:40:31,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:40:31,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:31,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:31,787 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 15:40:36,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 146 states and 174 transitions. [2021-11-23 15:40:36,067 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 174 transitions. [2021-11-23 15:40:36,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:40:36,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:36,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:36,111 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 15:40:38,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:38,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 137 states and 162 transitions. [2021-11-23 15:40:38,407 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 162 transitions. [2021-11-23 15:40:38,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:40:38,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:38,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:38,454 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 15:40:42,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 147 states and 174 transitions. [2021-11-23 15:40:42,592 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 174 transitions. [2021-11-23 15:40:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:40:42,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:42,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:43,378 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 15:40:47,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:47,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 151 states and 179 transitions. [2021-11-23 15:40:47,033 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 179 transitions. [2021-11-23 15:40:47,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:40:47,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:47,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:47,618 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 15:40:53,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:53,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 159 states and 193 transitions. [2021-11-23 15:40:53,300 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 193 transitions. [2021-11-23 15:40:53,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:40:53,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:53,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:54,819 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 15:41:02,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:02,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 170 states and 208 transitions. [2021-11-23 15:41:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 208 transitions. [2021-11-23 15:41:02,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:41:02,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:02,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:02,537 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 15:41:09,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:09,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 181 states and 224 transitions. [2021-11-23 15:41:09,026 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 224 transitions. [2021-11-23 15:41:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:41:09,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:09,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:09,071 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 15:41:10,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 186 states and 232 transitions. [2021-11-23 15:41:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 232 transitions. [2021-11-23 15:41:10,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 15:41:10,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:10,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:13,185 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 15:41:25,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:25,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 205 states and 257 transitions. [2021-11-23 15:41:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 257 transitions. [2021-11-23 15:41:25,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:41:25,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:25,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:25,838 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 15:41:25,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 204 states and 254 transitions. [2021-11-23 15:41:25,853 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 254 transitions. [2021-11-23 15:41:25,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:41:25,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:25,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:25,894 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 15:41:25,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 206 states and 257 transitions. [2021-11-23 15:41:25,912 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 257 transitions. [2021-11-23 15:41:25,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:41:25,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:25,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:25,936 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 15:41:25,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:25,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 205 states and 256 transitions. [2021-11-23 15:41:25,950 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 256 transitions. [2021-11-23 15:41:25,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:41:25,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:25,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:25,995 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 15:41:26,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:26,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 206 states and 257 transitions. [2021-11-23 15:41:26,013 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 257 transitions. [2021-11-23 15:41:26,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:41:26,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:26,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:26,040 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 15:41:26,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 205 states and 256 transitions. [2021-11-23 15:41:26,756 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 256 transitions. [2021-11-23 15:41:26,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:41:26,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:26,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:26,819 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 15:41:27,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:27,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 208 states and 267 transitions. [2021-11-23 15:41:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 267 transitions. [2021-11-23 15:41:27,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:41:27,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:27,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:27,559 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 15:41:28,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 209 states and 268 transitions. [2021-11-23 15:41:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 268 transitions. [2021-11-23 15:41:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:41:28,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:28,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:41:42,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:42,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 226 states and 290 transitions. [2021-11-23 15:41:42,464 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 290 transitions. [2021-11-23 15:41:42,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:41:42,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:42,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:44,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:41:57,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:57,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 243 states and 321 transitions. [2021-11-23 15:41:57,803 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 321 transitions. [2021-11-23 15:41:57,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:41:57,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:57,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:58,568 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 15:42:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:42:00,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 244 states and 321 transitions. [2021-11-23 15:42:00,053 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 321 transitions. [2021-11-23 15:42:00,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:42:00,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:42:00,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:42:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:42:00,749 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 15:42:20,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:42:20,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 267 states and 358 transitions. [2021-11-23 15:42:20,327 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 358 transitions. [2021-11-23 15:42:20,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:42:20,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:42:20,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:42:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:42:20,766 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 15:42:23,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:42:23,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 269 states and 361 transitions. [2021-11-23 15:42:23,202 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 361 transitions. [2021-11-23 15:42:23,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:42:23,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:42:23,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:42:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:42:23,281 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:42:25,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:42:25,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 235 states and 307 transitions. [2021-11-23 15:42:25,624 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 307 transitions. [2021-11-23 15:42:25,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:42:25,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:42:25,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:42:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:42:25,650 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 15:42:26,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:42:26,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 234 states and 306 transitions. [2021-11-23 15:42:26,600 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 306 transitions. [2021-11-23 15:42:26,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:42:26,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:42:26,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:42:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:42:26,643 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 15:42:28,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:42:28,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 237 states and 309 transitions. [2021-11-23 15:42:28,012 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 309 transitions. [2021-11-23 15:42:28,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:42:28,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:42:28,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:42:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:42:28,052 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 15:42:30,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:42:30,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 240 states and 316 transitions. [2021-11-23 15:42:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 316 transitions. [2021-11-23 15:42:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:42:30,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:42:30,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:42:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:42:33,195 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 15:42:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:42:44,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 251 states and 334 transitions. [2021-11-23 15:42:44,785 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 334 transitions. [2021-11-23 15:42:44,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:42:44,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:42:44,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:42:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:42:46,195 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 15:42:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:42:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 262 states and 356 transitions. [2021-11-23 15:42:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 356 transitions. [2021-11-23 15:42:58,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:42:58,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:42:58,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:42:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:43:02,164 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 15:43:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:43:21,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 272 states and 375 transitions. [2021-11-23 15:43:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 375 transitions. [2021-11-23 15:43:21,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:43:21,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:43:21,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:43:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:43:21,953 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 15:43:22,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:43:22,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 273 states and 377 transitions. [2021-11-23 15:43:22,486 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 377 transitions. [2021-11-23 15:43:22,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:43:22,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:43:22,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:43:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:43:25,312 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 15:43:54,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:43:54,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 294 states and 413 transitions. [2021-11-23 15:43:54,541 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 413 transitions. [2021-11-23 15:43:54,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:43:54,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:43:54,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:43:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:43:59,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:44:19,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:44:19,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 303 states and 425 transitions. [2021-11-23 15:44:19,029 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 425 transitions. [2021-11-23 15:44:19,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:44:19,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:44:19,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:44:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:44:20,665 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 15:44:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:44:29,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 310 states and 436 transitions. [2021-11-23 15:44:29,682 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 436 transitions. [2021-11-23 15:44:29,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:44:29,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:44:29,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:44:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:44:29,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:44:29,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:44:29,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 309 states and 435 transitions. [2021-11-23 15:44:29,730 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 435 transitions. [2021-11-23 15:44:29,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:44:29,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:44:29,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:44:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:44:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:44:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:44:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 313 states and 439 transitions. [2021-11-23 15:44:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 439 transitions. [2021-11-23 15:44:35,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:44:35,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:44:35,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:44:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:44:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:44:41,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:44:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 278 states and 387 transitions. [2021-11-23 15:44:41,633 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 387 transitions. [2021-11-23 15:44:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:44:41,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:44:41,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:44:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:44:41,659 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 15:44:45,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:44:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 282 states and 392 transitions. [2021-11-23 15:44:45,390 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 392 transitions. [2021-11-23 15:44:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:44:45,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:44:45,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:44:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:44:50,168 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 15:45:06,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:45:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 291 states and 404 transitions. [2021-11-23 15:45:06,402 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 404 transitions. [2021-11-23 15:45:06,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:45:06,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:45:06,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:45:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:45:10,175 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 15:45:27,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:45:27,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 300 states and 416 transitions. [2021-11-23 15:45:27,011 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 416 transitions. [2021-11-23 15:45:27,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:45:27,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:45:27,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:45:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:45:27,039 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 15:45:39,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:45:39,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 309 states and 426 transitions. [2021-11-23 15:45:39,808 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 426 transitions. [2021-11-23 15:45:39,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:45:39,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:45:39,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:45:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:45:39,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:45:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:45:47,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 313 states and 430 transitions. [2021-11-23 15:45:47,115 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 430 transitions. [2021-11-23 15:45:47,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:45:47,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:45:47,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:45:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:45:51,722 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:46:11,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:46:11,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 323 states and 444 transitions. [2021-11-23 15:46:11,155 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 444 transitions. [2021-11-23 15:46:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:46:11,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:46:11,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:46:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:46:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:46:27,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:46:27,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 331 states and 454 transitions. [2021-11-23 15:46:27,044 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 454 transitions. [2021-11-23 15:46:27,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:46:27,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:46:27,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:46:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:46:29,902 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 15:46:48,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:46:48,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 341 states and 466 transitions. [2021-11-23 15:46:48,173 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 466 transitions. [2021-11-23 15:46:48,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:46:48,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:46:48,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:46:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:46:54,815 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 15:47:16,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:47:16,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 350 states and 479 transitions. [2021-11-23 15:47:16,935 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 479 transitions. [2021-11-23 15:47:16,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:47:16,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:47:16,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:47:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:47:23,795 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 15:48:29,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:48:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 373 states and 515 transitions. [2021-11-23 15:48:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 515 transitions. [2021-11-23 15:48:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:48:29,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:48:29,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:48:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:48:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:48:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:48:51,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 379 states and 526 transitions. [2021-11-23 15:48:51,589 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 526 transitions. [2021-11-23 15:48:51,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 15:48:51,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:48:51,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:48:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:48:51,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:49:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:13,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 391 states and 543 transitions. [2021-11-23 15:49:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 543 transitions. [2021-11-23 15:49:13,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 15:49:13,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:13,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:49:21,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:21,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 397 states and 551 transitions. [2021-11-23 15:49:21,884 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 551 transitions. [2021-11-23 15:49:21,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 15:49:21,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:21,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:30,993 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:50:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 414 states and 571 transitions. [2021-11-23 15:50:20,203 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 571 transitions. [2021-11-23 15:50:20,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:50:20,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:20,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:05,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:05,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 431 states and 594 transitions. [2021-11-23 15:51:05,437 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 594 transitions. [2021-11-23 15:51:05,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:51:05,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:05,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:35,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:35,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 440 states and 606 transitions. [2021-11-23 15:51:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 606 transitions. [2021-11-23 15:51:35,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 15:51:35,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:35,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.