./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB --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 759500fc885fd8551afb1744440c02e812929b084934756d49ccfd6e6b033437 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:31:08,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:08,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:08,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:08,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:08,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:08,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:08,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:08,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:08,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:08,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:08,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:08,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:08,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:08,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:08,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:08,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:08,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:08,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:08,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:08,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:08,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:08,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:08,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:08,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:08,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:08,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:08,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:08,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:08,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:08,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:08,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:08,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:08,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:08,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:08,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:08,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:08,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:08,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:08,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:08,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:08,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:31:09,031 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:09,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:09,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:09,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:09,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:09,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:09,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:09,034 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:09,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:09,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:09,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:09,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:09,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:09,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:09,036 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:09,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:09,043 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:09,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:09,044 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:09,044 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:09,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:09,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:09,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:09,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:09,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:09,045 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:09,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:09,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:09,046 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_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 759500fc885fd8551afb1744440c02e812929b084934756d49ccfd6e6b033437 [2022-10-17 16:31:09,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:09,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:09,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:09,386 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:09,387 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:09,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem03_label09.c [2022-10-17 16:31:09,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB/data/d3491d2e4/0f140f63916f462bb051a85a8661a76c/FLAGb2f696102 [2022-10-17 16:31:10,233 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:10,236 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/sv-benchmarks/c/eca-rers2012/Problem03_label09.c [2022-10-17 16:31:10,256 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB/data/d3491d2e4/0f140f63916f462bb051a85a8661a76c/FLAGb2f696102 [2022-10-17 16:31:10,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB/data/d3491d2e4/0f140f63916f462bb051a85a8661a76c [2022-10-17 16:31:10,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:10,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:10,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:10,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:10,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:10,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:10" (1/1) ... [2022-10-17 16:31:10,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17120ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:10, skipping insertion in model container [2022-10-17 16:31:10,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:10" (1/1) ... [2022-10-17 16:31:10,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:10,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:11,121 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_54360c76-0356-43e1-a9c7-d6b08074ef90/sv-benchmarks/c/eca-rers2012/Problem03_label09.c[54191,54204] [2022-10-17 16:31:11,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:11,183 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:11,509 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_54360c76-0356-43e1-a9c7-d6b08074ef90/sv-benchmarks/c/eca-rers2012/Problem03_label09.c[54191,54204] [2022-10-17 16:31:11,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:11,549 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:11,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:11 WrapperNode [2022-10-17 16:31:11,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:11,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:11,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:11,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:11,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:11" (1/1) ... [2022-10-17 16:31:11,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:11" (1/1) ... [2022-10-17 16:31:11,704 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-10-17 16:31:11,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:11,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:11,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:11,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:11,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:11" (1/1) ... [2022-10-17 16:31:11,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:11" (1/1) ... [2022-10-17 16:31:11,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:11" (1/1) ... [2022-10-17 16:31:11,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:11" (1/1) ... [2022-10-17 16:31:11,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:11" (1/1) ... [2022-10-17 16:31:11,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:11" (1/1) ... [2022-10-17 16:31:11,868 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:11" (1/1) ... [2022-10-17 16:31:11,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:11" (1/1) ... [2022-10-17 16:31:11,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:11,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:11,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:11,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:11,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:11" (1/1) ... [2022-10-17 16:31:11,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:11,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:11,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:11,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54360c76-0356-43e1-a9c7-d6b08074ef90/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:11,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:31:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:11,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:12,126 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:12,145 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:14,390 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:14,827 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:14,827 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:31:14,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:14 BoogieIcfgContainer [2022-10-17 16:31:14,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:14,834 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:14,834 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:14,845 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:14,845 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:14" (1/1) ... [2022-10-17 16:31:14,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:31:14,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:14,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2022-10-17 16:31:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2022-10-17 16:31:15,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:31:15,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:15,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:17,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:17,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 289 states and 547 transitions. [2022-10-17 16:31:17,343 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 547 transitions. [2022-10-17 16:31:17,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-17 16:31:17,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:17,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:17,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:17,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:17,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 292 states and 552 transitions. [2022-10-17 16:31:17,968 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 552 transitions. [2022-10-17 16:31:17,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-17 16:31:17,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:17,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:18,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:18,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:18,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 296 states and 559 transitions. [2022-10-17 16:31:18,411 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 559 transitions. [2022-10-17 16:31:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-17 16:31:18,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:18,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:18,674 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:18,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:18,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 301 states and 568 transitions. [2022-10-17 16:31:18,935 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 568 transitions. [2022-10-17 16:31:18,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 16:31:18,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:18,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:19,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:21,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 449 states and 803 transitions. [2022-10-17 16:31:21,714 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 803 transitions. [2022-10-17 16:31:21,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-17 16:31:21,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:21,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:22,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:22,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 456 states and 816 transitions. [2022-10-17 16:31:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 816 transitions. [2022-10-17 16:31:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-17 16:31:22,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:22,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:22,705 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:23,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 460 states and 824 transitions. [2022-10-17 16:31:23,154 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 824 transitions. [2022-10-17 16:31:23,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-17 16:31:23,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:23,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:24,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:24,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 469 states and 840 transitions. [2022-10-17 16:31:24,285 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 840 transitions. [2022-10-17 16:31:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 16:31:24,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:24,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:25,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:25,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 473 states and 864 transitions. [2022-10-17 16:31:25,026 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 864 transitions. [2022-10-17 16:31:25,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 16:31:25,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:25,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:25,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 476 states and 871 transitions. [2022-10-17 16:31:25,342 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 871 transitions. [2022-10-17 16:31:25,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 16:31:25,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:25,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:25,560 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:25,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 481 states and 879 transitions. [2022-10-17 16:31:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 879 transitions. [2022-10-17 16:31:25,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 16:31:25,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:25,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:26,330 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:27,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 486 states and 897 transitions. [2022-10-17 16:31:27,123 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 897 transitions. [2022-10-17 16:31:27,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 16:31:27,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:27,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:27,405 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:27,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 490 states and 903 transitions. [2022-10-17 16:31:27,701 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 903 transitions. [2022-10-17 16:31:27,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 16:31:27,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:27,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:28,089 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:28,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 493 states and 906 transitions. [2022-10-17 16:31:28,304 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 906 transitions. [2022-10-17 16:31:28,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 16:31:28,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:28,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:28,691 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 504 states and 925 transitions. [2022-10-17 16:31:30,020 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 925 transitions. [2022-10-17 16:31:30,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-10-17 16:31:30,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:30,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:30,241 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:31,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:31,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 511 states and 936 transitions. [2022-10-17 16:31:31,060 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 936 transitions. [2022-10-17 16:31:31,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-17 16:31:31,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:31,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:31:32,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 512 states and 950 transitions. [2022-10-17 16:31:32,162 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 950 transitions. [2022-10-17 16:31:32,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-17 16:31:32,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:32,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:32,440 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 518 states and 960 transitions. [2022-10-17 16:31:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 960 transitions. [2022-10-17 16:31:33,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:31:33,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:33,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:33,657 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:31:34,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:34,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 524 states and 992 transitions. [2022-10-17 16:31:34,779 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 992 transitions. [2022-10-17 16:31:34,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:31:34,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:34,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:35,079 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:31:35,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 530 states and 1004 transitions. [2022-10-17 16:31:35,744 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1004 transitions. [2022-10-17 16:31:35,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:31:35,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:35,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.