./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+cfa-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_79e5b333-8a2c-4e7b-b50b-646ba05eb423/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e5b333-8a2c-4e7b-b50b-646ba05eb423/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_79e5b333-8a2c-4e7b-b50b-646ba05eb423/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e5b333-8a2c-4e7b-b50b-646ba05eb423/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e5b333-8a2c-4e7b-b50b-646ba05eb423/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_79e5b333-8a2c-4e7b-b50b-646ba05eb423/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 8e8985b7b99a6dec53be0ba16cc0e7b241934830d919fef1f601cc1b51084525 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:05:12,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:05:12,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:05:12,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:05:12,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:05:12,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:05:12,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:05:12,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:05:12,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:05:12,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:05:12,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:05:12,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:05:12,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:05:12,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:05:12,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:05:12,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:05:12,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:05:12,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:05:12,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:05:12,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:05:12,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:05:12,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:05:12,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:05:12,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:05:12,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:05:12,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:05:12,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:05:12,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:05:12,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:05:12,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:05:12,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:05:12,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:05:12,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:05:12,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:05:12,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:05:12,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:05:12,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:05:12,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:05:12,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:05:12,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:05:12,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:05:12,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e5b333-8a2c-4e7b-b50b-646ba05eb423/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:05:12,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:05:12,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:05:12,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:05:12,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:05:12,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:05:12,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:05:12,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:05:12,926 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:05:12,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:05:12,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:05:12,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:05:12,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:05:12,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:05:12,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:05:12,928 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:05:12,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:05:12,929 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:05:12,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:05:12,929 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:05:12,929 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:05:12,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:05:12,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:05:12,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:05:12,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:05:12,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:05:12,930 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:05:12,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:05:12,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:05:12,931 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_79e5b333-8a2c-4e7b-b50b-646ba05eb423/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e5b333-8a2c-4e7b-b50b-646ba05eb423/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e8985b7b99a6dec53be0ba16cc0e7b241934830d919fef1f601cc1b51084525 [2021-11-23 01:05:13,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:05:13,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:05:13,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:05:13,241 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:05:13,242 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:05:13,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e5b333-8a2c-4e7b-b50b-646ba05eb423/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2021-11-23 01:05:13,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e5b333-8a2c-4e7b-b50b-646ba05eb423/bin/ukojak-LBtLqBUTdQ/data/ec6bb4dea/a25a89dc52cc4676909beb2310a752c5/FLAGf19d7d3ec [2021-11-23 01:05:13,827 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:05:13,829 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e5b333-8a2c-4e7b-b50b-646ba05eb423/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2021-11-23 01:05:13,842 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e5b333-8a2c-4e7b-b50b-646ba05eb423/bin/ukojak-LBtLqBUTdQ/data/ec6bb4dea/a25a89dc52cc4676909beb2310a752c5/FLAGf19d7d3ec [2021-11-23 01:05:14,167 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e5b333-8a2c-4e7b-b50b-646ba05eb423/bin/ukojak-LBtLqBUTdQ/data/ec6bb4dea/a25a89dc52cc4676909beb2310a752c5 [2021-11-23 01:05:14,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:05:14,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:05:14,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:05:14,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:05:14,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:05:14,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:05:14" (1/1) ... [2021-11-23 01:05:14,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31db533b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:14, skipping insertion in model container [2021-11-23 01:05:14,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:05:14" (1/1) ... [2021-11-23 01:05:14,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:05:14,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:05:14,477 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_79e5b333-8a2c-4e7b-b50b-646ba05eb423/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[4900,4913] [2021-11-23 01:05:14,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:05:14,532 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:05:14,599 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_79e5b333-8a2c-4e7b-b50b-646ba05eb423/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[4900,4913] [2021-11-23 01:05:14,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:05:14,659 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:05:14,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:14 WrapperNode [2021-11-23 01:05:14,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:05:14,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:05:14,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:05:14,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:05:14,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:14" (1/1) ... [2021-11-23 01:05:14,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:14" (1/1) ... [2021-11-23 01:05:14,737 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 342 [2021-11-23 01:05:14,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:05:14,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:05:14,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:05:14,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:05:14,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:14" (1/1) ... [2021-11-23 01:05:14,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:14" (1/1) ... [2021-11-23 01:05:14,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:14" (1/1) ... [2021-11-23 01:05:14,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:14" (1/1) ... [2021-11-23 01:05:14,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:14" (1/1) ... [2021-11-23 01:05:14,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:14" (1/1) ... [2021-11-23 01:05:14,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:14" (1/1) ... [2021-11-23 01:05:14,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:05:14,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:05:14,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:05:14,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:05:14,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:14" (1/1) ... [2021-11-23 01:05:14,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:05:14,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e5b333-8a2c-4e7b-b50b-646ba05eb423/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:05:14,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e5b333-8a2c-4e7b-b50b-646ba05eb423/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:05:14,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e5b333-8a2c-4e7b-b50b-646ba05eb423/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:05:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:05:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:05:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:05:14,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:05:14,967 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:05:14,970 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:05:15,385 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:05:15,504 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:05:15,504 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:05:15,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:05:15 BoogieIcfgContainer [2021-11-23 01:05:15,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:05:15,508 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:05:15,508 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:05:15,519 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:05:15,519 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:05:15" (1/1) ... [2021-11-23 01:05:15,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:05:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:15,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 100 transitions. [2021-11-23 01:05:15,586 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2021-11-23 01:05:15,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:05:15,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:15,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:15,899 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 01:05:15,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 62 states and 102 transitions. [2021-11-23 01:05:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 102 transitions. [2021-11-23 01:05:15,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:05:15,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:15,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:16,121 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 01:05:16,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:16,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2021-11-23 01:05:16,248 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2021-11-23 01:05:16,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:05:16,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:16,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:16,342 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 01:05:16,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:16,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 70 states and 114 transitions. [2021-11-23 01:05:16,364 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 114 transitions. [2021-11-23 01:05:16,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:05:16,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:16,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:16,470 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 01:05:16,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:16,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 82 states and 135 transitions. [2021-11-23 01:05:16,698 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2021-11-23 01:05:16,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:05:16,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:16,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:16,791 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 01:05:16,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:16,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 83 states and 135 transitions. [2021-11-23 01:05:16,804 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2021-11-23 01:05:16,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:05:16,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:16,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:16,888 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 01:05:16,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:16,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 84 states and 135 transitions. [2021-11-23 01:05:16,897 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2021-11-23 01:05:16,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:05:16,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:16,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:16,958 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 01:05:17,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:17,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 101 states and 165 transitions. [2021-11-23 01:05:17,317 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2021-11-23 01:05:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:05:17,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:17,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:17,390 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 01:05:17,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:17,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 102 states and 165 transitions. [2021-11-23 01:05:17,406 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 165 transitions. [2021-11-23 01:05:17,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:05:17,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:17,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:17,485 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 01:05:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:17,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 103 states and 165 transitions. [2021-11-23 01:05:17,495 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2021-11-23 01:05:17,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:05:17,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:17,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:17,534 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 01:05:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:17,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 104 states and 165 transitions. [2021-11-23 01:05:17,544 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 165 transitions. [2021-11-23 01:05:17,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:05:17,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:17,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:17,687 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 01:05:19,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:19,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 126 states and 205 transitions. [2021-11-23 01:05:19,487 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 205 transitions. [2021-11-23 01:05:19,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:05:19,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:19,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:19,562 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 01:05:19,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 127 states and 205 transitions. [2021-11-23 01:05:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 205 transitions. [2021-11-23 01:05:19,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:05:19,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:19,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:19,660 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 01:05:19,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:19,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 128 states and 205 transitions. [2021-11-23 01:05:19,714 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 205 transitions. [2021-11-23 01:05:19,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:05:19,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:19,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:19,774 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 01:05:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:19,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 129 states and 205 transitions. [2021-11-23 01:05:19,808 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 205 transitions. [2021-11-23 01:05:19,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:05:19,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:19,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:19,852 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 01:05:19,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:19,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 130 states and 205 transitions. [2021-11-23 01:05:19,885 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 205 transitions. [2021-11-23 01:05:19,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:05:19,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:19,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:19,970 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 01:05:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:22,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 153 states and 247 transitions. [2021-11-23 01:05:22,453 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 247 transitions. [2021-11-23 01:05:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:05:22,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:22,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:22,924 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 01:05:27,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:27,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 177 states and 289 transitions. [2021-11-23 01:05:27,363 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 289 transitions. [2021-11-23 01:05:27,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:05:27,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:27,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:27,391 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 01:05:27,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:27,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 178 states and 289 transitions. [2021-11-23 01:05:27,428 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 289 transitions. [2021-11-23 01:05:27,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:05:27,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:27,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:27,498 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 01:05:27,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:27,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 179 states and 289 transitions. [2021-11-23 01:05:27,538 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 289 transitions. [2021-11-23 01:05:27,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:05:27,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:27,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:27,570 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 01:05:27,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:27,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 180 states and 289 transitions. [2021-11-23 01:05:27,613 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 289 transitions. [2021-11-23 01:05:27,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:05:27,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:27,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:27,709 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 01:05:27,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:27,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 181 states and 289 transitions. [2021-11-23 01:05:27,749 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 289 transitions. [2021-11-23 01:05:27,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:05:27,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:27,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:27,832 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 01:05:28,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 182 states and 292 transitions. [2021-11-23 01:05:28,276 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 292 transitions. [2021-11-23 01:05:28,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:05:28,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:28,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:28,303 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 01:05:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:28,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 183 states and 292 transitions. [2021-11-23 01:05:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 292 transitions. [2021-11-23 01:05:28,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:05:28,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:28,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:28,550 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 01:05:28,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:28,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 184 states and 292 transitions. [2021-11-23 01:05:28,585 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 292 transitions. [2021-11-23 01:05:28,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:05:28,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:28,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:28,649 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 01:05:28,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:28,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 185 states and 292 transitions. [2021-11-23 01:05:28,688 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 292 transitions. [2021-11-23 01:05:28,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:05:28,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:28,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:29,022 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 01:05:35,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:35,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 198 states and 315 transitions. [2021-11-23 01:05:35,106 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 315 transitions. [2021-11-23 01:05:35,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:05:35,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:35,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:35,369 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 01:05:42,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:42,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 201 states and 320 transitions. [2021-11-23 01:05:42,170 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 320 transitions. [2021-11-23 01:05:42,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:05:42,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:42,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:42,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:42,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 202 states and 320 transitions. [2021-11-23 01:05:42,249 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 320 transitions. [2021-11-23 01:05:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:05:42,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:42,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:42,643 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 01:05:51,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:51,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 210 states and 334 transitions. [2021-11-23 01:05:51,355 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 334 transitions. [2021-11-23 01:05:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:05:51,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:51,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:52,097 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 01:05:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 214 states and 348 transitions. [2021-11-23 01:05:53,641 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 348 transitions. [2021-11-23 01:05:53,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:05:53,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:53,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:06,609 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:37,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:37,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 251 states and 452 transitions. [2021-11-23 01:07:37,483 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 452 transitions. [2021-11-23 01:07:37,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:07:37,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:37,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:07:38,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:38,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 252 states and 452 transitions. [2021-11-23 01:07:38,842 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 452 transitions. [2021-11-23 01:07:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:07:38,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:38,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:08:06,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:06,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 266 states and 482 transitions. [2021-11-23 01:08:06,994 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 482 transitions. [2021-11-23 01:08:06,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:08:06,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:06,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:08:42,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:42,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 285 states and 520 transitions. [2021-11-23 01:08:42,215 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 520 transitions. [2021-11-23 01:08:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:08:42,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:42,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:42,675 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:09:00,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 294 states and 539 transitions. [2021-11-23 01:09:00,151 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 539 transitions. [2021-11-23 01:09:00,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:09:00,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:00,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:00,664 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:09:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 298 states and 547 transitions. [2021-11-23 01:09:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 547 transitions. [2021-11-23 01:09:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:09:09,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:09,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:11:19,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:19,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 336 states and 648 transitions. [2021-11-23 01:11:19,933 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 648 transitions. [2021-11-23 01:11:19,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:11:19,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:19,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:39,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 374 states and 772 transitions. [2021-11-23 01:15:39,374 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 772 transitions. [2021-11-23 01:15:39,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:15:39,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:39,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:39,433 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:15:40,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:40,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 376 states and 775 transitions. [2021-11-23 01:15:40,625 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 775 transitions. [2021-11-23 01:15:40,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:15:40,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:40,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:41,356 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:44,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 399 states and 833 transitions. [2021-11-23 01:16:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 833 transitions. [2021-11-23 01:16:44,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:16:44,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:44,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:45,138 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:42,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:42,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 418 states and 869 transitions. [2021-11-23 01:17:42,574 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 869 transitions. [2021-11-23 01:17:42,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:17:42,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:42,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,509 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.