./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d0b255ca8288d7fec2d600e13b499a216c3c13b3ba13eac2e9a1248f762a9435 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:25:43,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:25:43,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:25:43,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:25:43,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:25:43,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:25:43,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:25:43,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:25:43,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:25:43,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:25:43,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:25:43,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:25:43,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:25:43,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:25:43,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:25:43,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:25:43,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:25:43,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:25:43,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:25:43,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:25:43,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:25:43,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:25:43,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:25:43,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:25:43,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:25:43,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:25:43,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:25:43,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:25:43,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:25:43,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:25:43,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:25:43,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:25:43,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:25:43,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:25:43,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:25:43,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:25:43,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:25:43,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:25:43,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:25:43,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:25:43,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:25:43,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:25:43,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:25:43,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:25:43,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:25:43,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:25:43,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:25:43,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:25:43,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:25:43,850 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:25:43,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:25:43,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:25:43,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:25:43,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:25:43,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:25:43,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:25:43,859 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:25:43,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:25:43,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:25:43,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:25:43,860 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:25:43,861 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:25:43,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:25:43,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:25:43,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:25:43,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:25:43,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:25:43,863 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:25:43,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:25:43,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:25:43,863 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_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0b255ca8288d7fec2d600e13b499a216c3c13b3ba13eac2e9a1248f762a9435 [2021-11-23 01:25:44,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:25:44,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:25:44,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:25:44,226 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:25:44,227 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:25:44,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2021-11-23 01:25:44,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ/data/3304ce1e8/e44edca7b39643e6abc8ca0a051ec13a/FLAG7b1e3972b [2021-11-23 01:25:45,174 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:25:45,175 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2021-11-23 01:25:45,231 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ/data/3304ce1e8/e44edca7b39643e6abc8ca0a051ec13a/FLAG7b1e3972b [2021-11-23 01:25:45,724 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ/data/3304ce1e8/e44edca7b39643e6abc8ca0a051ec13a [2021-11-23 01:25:45,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:25:45,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:25:45,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:25:45,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:25:45,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:25:45,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:25:45" (1/1) ... [2021-11-23 01:25:45,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1742902c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:45, skipping insertion in model container [2021-11-23 01:25:45,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:25:45" (1/1) ... [2021-11-23 01:25:45,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:25:46,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:25:46,706 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_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32048,32061] [2021-11-23 01:25:46,828 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_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[55802,55815] [2021-11-23 01:25:46,862 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_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[64372,64385] [2021-11-23 01:25:46,962 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_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[91775,91788] [2021-11-23 01:25:47,034 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_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[106857,106870] [2021-11-23 01:25:47,104 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_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[123963,123976] [2021-11-23 01:25:47,196 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_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[141761,141774] [2021-11-23 01:25:47,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:25:47,496 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:25:47,637 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_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32048,32061] [2021-11-23 01:25:47,691 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_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[55802,55815] [2021-11-23 01:25:47,711 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_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[64372,64385] [2021-11-23 01:25:47,819 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_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[91775,91788] [2021-11-23 01:25:47,855 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_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[106857,106870] [2021-11-23 01:25:47,897 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_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[123963,123976] [2021-11-23 01:25:47,940 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_41458018-93a1-4c48-80fa-c57abca50557/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[141761,141774] [2021-11-23 01:25:48,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:25:48,179 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:25:48,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:48 WrapperNode [2021-11-23 01:25:48,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:25:48,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:25:48,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:25:48,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:25:48,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:48" (1/1) ... [2021-11-23 01:25:48,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:48" (1/1) ... [2021-11-23 01:25:48,454 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9522 [2021-11-23 01:25:48,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:25:48,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:25:48,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:25:48,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:25:48,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:48" (1/1) ... [2021-11-23 01:25:48,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:48" (1/1) ... [2021-11-23 01:25:48,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:48" (1/1) ... [2021-11-23 01:25:48,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:48" (1/1) ... [2021-11-23 01:25:48,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:48" (1/1) ... [2021-11-23 01:25:48,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:48" (1/1) ... [2021-11-23 01:25:48,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:48" (1/1) ... [2021-11-23 01:25:48,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:25:48,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:25:48,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:25:48,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:25:48,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:48" (1/1) ... [2021-11-23 01:25:48,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:25:48,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:25:48,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:25:48,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41458018-93a1-4c48-80fa-c57abca50557/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:25:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:25:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:25:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:25:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:25:49,329 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:25:49,331 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:25:54,063 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:25:54,626 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:25:54,626 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:25:54,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:25:54 BoogieIcfgContainer [2021-11-23 01:25:54,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:25:54,637 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:25:54,637 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:25:54,651 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:25:54,651 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:25:54" (1/1) ... [2021-11-23 01:25:54,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:25:54,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:54,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 1988 states and 3519 transitions. [2021-11-23 01:25:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 3519 transitions. [2021-11-23 01:25:54,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:25:54,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:54,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:55,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:55,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3535 states to 1997 states and 3535 transitions. [2021-11-23 01:25:55,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 3535 transitions. [2021-11-23 01:25:55,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:25:55,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:55,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:56,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:56,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 2001 states and 3542 transitions. [2021-11-23 01:25:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 3542 transitions. [2021-11-23 01:25:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:25:56,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:56,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:56,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:56,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 2004 states and 3546 transitions. [2021-11-23 01:25:56,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 3546 transitions. [2021-11-23 01:25:56,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:25:56,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:56,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:56,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:57,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 2004 states and 3544 transitions. [2021-11-23 01:25:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 3544 transitions. [2021-11-23 01:25:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:25:57,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:57,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:57,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:57,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3418 states to 1936 states and 3418 transitions. [2021-11-23 01:25:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 3418 transitions. [2021-11-23 01:25:57,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:25:57,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:57,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:58,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:58,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 1944 states and 3432 transitions. [2021-11-23 01:25:58,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 3432 transitions. [2021-11-23 01:25:58,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:25:58,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:58,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:58,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:58,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 1814 states and 3202 transitions. [2021-11-23 01:25:58,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 3202 transitions. [2021-11-23 01:25:58,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:25:58,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:58,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:59,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:01,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:01,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 1626 states and 2860 transitions. [2021-11-23 01:26:01,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2860 transitions. [2021-11-23 01:26:01,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:26:01,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:01,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:05,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:05,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2892 states to 1643 states and 2892 transitions. [2021-11-23 01:26:05,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2892 transitions. [2021-11-23 01:26:05,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:26:05,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:05,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:05,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:06,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:06,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 1651 states and 2908 transitions. [2021-11-23 01:26:06,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2908 transitions. [2021-11-23 01:26:06,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:26:06,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:06,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:06,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:07,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:07,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 1613 states and 2832 transitions. [2021-11-23 01:26:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 2832 transitions. [2021-11-23 01:26:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:26:07,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:07,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:07,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:08,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:08,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 1613 states and 2830 transitions. [2021-11-23 01:26:08,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 2830 transitions. [2021-11-23 01:26:08,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:26:08,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:08,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:09,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:14,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 1613 states and 2829 transitions. [2021-11-23 01:26:14,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 2829 transitions. [2021-11-23 01:26:14,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:26:14,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:14,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:16,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:28,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 1609 states and 2823 transitions. [2021-11-23 01:26:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2823 transitions. [2021-11-23 01:26:28,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:26:28,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:28,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:28,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:30,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:30,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 1606 states and 2817 transitions. [2021-11-23 01:26:30,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2817 transitions. [2021-11-23 01:26:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:26:30,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:30,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:44,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:44,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 1606 states and 2816 transitions. [2021-11-23 01:26:44,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2816 transitions. [2021-11-23 01:26:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:26:44,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:44,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:45,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:52,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:52,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 1533 states and 2685 transitions. [2021-11-23 01:26:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 2685 transitions. [2021-11-23 01:26:52,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:26:52,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:52,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:55,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:21,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:21,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 1507 states and 2643 transitions. [2021-11-23 01:27:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 2643 transitions. [2021-11-23 01:27:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:27:21,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:21,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:24,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:03,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:03,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 1490 states and 2615 transitions. [2021-11-23 01:28:03,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2615 transitions. [2021-11-23 01:28:03,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:28:03,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:03,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:03,650 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 01:28:05,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:05,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 1490 states and 2614 transitions. [2021-11-23 01:28:05,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2614 transitions. [2021-11-23 01:28:05,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:28:05,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:05,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:08,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:08,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 1487 states and 2608 transitions. [2021-11-23 01:28:08,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 2608 transitions. [2021-11-23 01:28:08,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:28:08,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:08,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:43,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:43,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 1487 states and 2607 transitions. [2021-11-23 01:28:43,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 2607 transitions. [2021-11-23 01:28:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:28:43,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:43,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:45,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 1487 states and 2605 transitions. [2021-11-23 01:28:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 2605 transitions. [2021-11-23 01:28:45,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:28:45,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:45,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:50,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:30,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 1466 states and 2569 transitions. [2021-11-23 01:29:30,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 2569 transitions. [2021-11-23 01:29:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:29:30,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:30,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:30,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:33,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 1463 states and 2563 transitions. [2021-11-23 01:29:33,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2563 transitions. [2021-11-23 01:29:33,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:29:33,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:33,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:34,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:48,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:48,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 1463 states and 2562 transitions. [2021-11-23 01:29:48,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2562 transitions. [2021-11-23 01:29:48,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:29:48,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:48,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 1331 states and 2336 transitions. [2021-11-23 01:29:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 2336 transitions. [2021-11-23 01:29:53,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:29:53,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:53,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:54,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:18,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:18,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 1331 states and 2335 transitions. [2021-11-23 01:30:18,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 2335 transitions. [2021-11-23 01:30:18,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:30:18,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:18,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:39,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 1331 states and 2334 transitions. [2021-11-23 01:30:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 2334 transitions. [2021-11-23 01:30:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:30:39,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:39,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:41,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:43,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 1331 states and 2333 transitions. [2021-11-23 01:31:43,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 2333 transitions. [2021-11-23 01:31:43,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:31:43,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:43,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:22,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:22,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 1330 states and 2331 transitions. [2021-11-23 01:32:22,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 2331 transitions. [2021-11-23 01:32:22,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:32:22,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:22,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:26,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:26,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 1342 states and 2353 transitions. [2021-11-23 01:32:26,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 2353 transitions. [2021-11-23 01:32:26,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:32:26,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:26,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:13,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:13,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 1340 states and 2349 transitions. [2021-11-23 01:34:13,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 2349 transitions. [2021-11-23 01:34:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:34:13,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:13,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:00,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:00,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 1340 states and 2348 transitions. [2021-11-23 01:35:00,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 2348 transitions. [2021-11-23 01:35:00,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:35:00,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:00,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:00,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:49,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 1340 states and 2347 transitions. [2021-11-23 01:35:49,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 2347 transitions. [2021-11-23 01:35:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:35:49,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:49,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:49,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 1353 states and 2371 transitions. [2021-11-23 01:35:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 2371 transitions. [2021-11-23 01:35:49,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:35:49,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:49,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:49,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:53,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:53,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 1317 states and 2302 transitions. [2021-11-23 01:35:53,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 2302 transitions. [2021-11-23 01:35:53,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:35:53,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:53,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:57,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:59,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:59,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 1301 states and 2270 transitions. [2021-11-23 01:36:59,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 2270 transitions. [2021-11-23 01:36:59,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:36:59,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:59,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.