./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/sum_25x0-1.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_8be34eed-d372-4bfe-ad02-6f38fd064088/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be34eed-d372-4bfe-ad02-6f38fd064088/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_8be34eed-d372-4bfe-ad02-6f38fd064088/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be34eed-d372-4bfe-ad02-6f38fd064088/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_25x0-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be34eed-d372-4bfe-ad02-6f38fd064088/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_8be34eed-d372-4bfe-ad02-6f38fd064088/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 8ec6e434f91e1569e6fad03794f07a751e615694ef413649174052dcc7984987 --- 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 16:39:00,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:00,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:00,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:00,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:00,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:00,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:00,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:00,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:00,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:00,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:00,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:00,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:00,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:00,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:00,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:00,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:00,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:00,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:00,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:00,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:00,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:00,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:00,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:01,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:01,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:01,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:01,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:01,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:01,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:01,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:01,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:01,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:01,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:01,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:01,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:01,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:01,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:01,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:01,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:01,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:01,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be34eed-d372-4bfe-ad02-6f38fd064088/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:39:01,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:01,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:01,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:01,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:01,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:01,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:01,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:01,080 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:01,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:01,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:01,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:01,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:01,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:01,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:01,082 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:01,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:01,083 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:01,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:01,083 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:01,083 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:01,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:01,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:01,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:01,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:01,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:01,095 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:01,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:01,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:01,096 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_8be34eed-d372-4bfe-ad02-6f38fd064088/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be34eed-d372-4bfe-ad02-6f38fd064088/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ec6e434f91e1569e6fad03794f07a751e615694ef413649174052dcc7984987 [2022-10-17 16:39:01,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:01,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:01,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:01,375 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:01,376 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:01,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be34eed-d372-4bfe-ad02-6f38fd064088/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive-simple/sum_25x0-1.c [2022-10-17 16:39:01,471 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be34eed-d372-4bfe-ad02-6f38fd064088/bin/ukojak-92XMlrwhuB/data/f335480d0/d7b688c92166466e967be22017442ac6/FLAGffb0e6c4a [2022-10-17 16:39:01,985 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:01,987 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be34eed-d372-4bfe-ad02-6f38fd064088/sv-benchmarks/c/recursive-simple/sum_25x0-1.c [2022-10-17 16:39:01,994 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be34eed-d372-4bfe-ad02-6f38fd064088/bin/ukojak-92XMlrwhuB/data/f335480d0/d7b688c92166466e967be22017442ac6/FLAGffb0e6c4a [2022-10-17 16:39:02,343 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be34eed-d372-4bfe-ad02-6f38fd064088/bin/ukojak-92XMlrwhuB/data/f335480d0/d7b688c92166466e967be22017442ac6 [2022-10-17 16:39:02,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:02,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:02,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:02,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:02,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:02,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:02" (1/1) ... [2022-10-17 16:39:02,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2325a0f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:02, skipping insertion in model container [2022-10-17 16:39:02,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:02" (1/1) ... [2022-10-17 16:39:02,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:02,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:02,575 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_8be34eed-d372-4bfe-ad02-6f38fd064088/sv-benchmarks/c/recursive-simple/sum_25x0-1.c[481,494] [2022-10-17 16:39:02,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:02,588 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:02,603 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_8be34eed-d372-4bfe-ad02-6f38fd064088/sv-benchmarks/c/recursive-simple/sum_25x0-1.c[481,494] [2022-10-17 16:39:02,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:02,617 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:02,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:02 WrapperNode [2022-10-17 16:39:02,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:02,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:02,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:02,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:02,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:02" (1/1) ... [2022-10-17 16:39:02,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:02" (1/1) ... [2022-10-17 16:39:02,653 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-10-17 16:39:02,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:02,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:02,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:02,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:02,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:02" (1/1) ... [2022-10-17 16:39:02,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:02" (1/1) ... [2022-10-17 16:39:02,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:02" (1/1) ... [2022-10-17 16:39:02,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:02" (1/1) ... [2022-10-17 16:39:02,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:02" (1/1) ... [2022-10-17 16:39:02,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:02" (1/1) ... [2022-10-17 16:39:02,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:02" (1/1) ... [2022-10-17 16:39:02,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:02" (1/1) ... [2022-10-17 16:39:02,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:02,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:02,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:02,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:02,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:02" (1/1) ... [2022-10-17 16:39:02,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:02,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be34eed-d372-4bfe-ad02-6f38fd064088/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:02,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be34eed-d372-4bfe-ad02-6f38fd064088/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:02,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be34eed-d372-4bfe-ad02-6f38fd064088/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-10-17 16:39:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-10-17 16:39:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:39:02,821 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:02,823 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:02,930 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:02,946 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:02,946 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:39:02,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:02 BoogieIcfgContainer [2022-10-17 16:39:02,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:02,950 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:02,951 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:02,962 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:02,962 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:02" (1/1) ... [2022-10-17 16:39:02,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:39:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 16:39:03,049 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 16:39:03,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:39:03,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:03,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:03,476 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 16:39:03,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:03,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2022-10-17 16:39:03,603 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-10-17 16:39:03,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:39:03,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:03,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:39:04,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:04,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2022-10-17 16:39:04,002 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-10-17 16:39:04,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:39:04,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:04,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:04,192 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:39:04,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:04,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2022-10-17 16:39:04,284 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-10-17 16:39:04,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:39:04,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:04,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:04,504 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:39:04,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:04,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2022-10-17 16:39:04,632 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2022-10-17 16:39:04,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:39:04,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:04,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:04,831 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:39:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:04,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2022-10-17 16:39:04,945 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2022-10-17 16:39:04,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:39:04,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:04,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:39:05,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:05,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2022-10-17 16:39:05,274 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2022-10-17 16:39:05,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:39:05,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:05,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:05,487 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-10-17 16:39:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2022-10-17 16:39:05,606 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2022-10-17 16:39:05,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:39:05,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:05,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:05,827 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-10-17 16:39:05,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2022-10-17 16:39:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2022-10-17 16:39:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:39:06,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:06,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:06,289 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-17 16:39:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2022-10-17 16:39:06,464 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2022-10-17 16:39:06,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:39:06,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:06,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-10-17 16:39:06,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:06,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 43 states and 99 transitions. [2022-10-17 16:39:06,890 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2022-10-17 16:39:06,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:39:06,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:06,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-10-17 16:39:07,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:07,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 46 states and 113 transitions. [2022-10-17 16:39:07,297 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 113 transitions. [2022-10-17 16:39:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:39:07,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:07,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:07,558 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-10-17 16:39:07,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:07,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 49 states and 128 transitions. [2022-10-17 16:39:07,733 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 128 transitions. [2022-10-17 16:39:07,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 16:39:07,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:07,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:08,085 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-10-17 16:39:08,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:08,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 52 states and 144 transitions. [2022-10-17 16:39:08,299 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 144 transitions. [2022-10-17 16:39:08,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:39:08,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:08,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-10-17 16:39:08,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 55 states and 161 transitions. [2022-10-17 16:39:08,860 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 161 transitions. [2022-10-17 16:39:08,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-17 16:39:08,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:08,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:09,232 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-10-17 16:39:09,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 58 states and 179 transitions. [2022-10-17 16:39:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 179 transitions. [2022-10-17 16:39:09,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 16:39:09,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:09,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-10-17 16:39:10,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:10,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 61 states and 198 transitions. [2022-10-17 16:39:10,094 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 198 transitions. [2022-10-17 16:39:10,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-17 16:39:10,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:10,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:10,568 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2022-10-17 16:39:10,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:10,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 64 states and 218 transitions. [2022-10-17 16:39:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 218 transitions. [2022-10-17 16:39:10,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-17 16:39:10,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:10,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:11,255 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2022-10-17 16:39:11,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:11,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 67 states and 239 transitions. [2022-10-17 16:39:11,499 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 239 transitions. [2022-10-17 16:39:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-17 16:39:11,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:11,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2022-10-17 16:39:12,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:12,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 70 states and 261 transitions. [2022-10-17 16:39:12,264 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 261 transitions. [2022-10-17 16:39:12,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-17 16:39:12,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:12,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2022-10-17 16:39:13,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:13,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 73 states and 284 transitions. [2022-10-17 16:39:13,070 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 284 transitions. [2022-10-17 16:39:13,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-17 16:39:13,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:13,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2022-10-17 16:39:13,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:13,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 76 states and 308 transitions. [2022-10-17 16:39:13,993 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 308 transitions. [2022-10-17 16:39:13,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-17 16:39:13,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:13,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:14,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2022-10-17 16:39:15,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:15,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 79 states and 333 transitions. [2022-10-17 16:39:15,004 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 333 transitions. [2022-10-17 16:39:15,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-17 16:39:15,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:15,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2022-10-17 16:39:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 82 states and 359 transitions. [2022-10-17 16:39:16,014 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 359 transitions. [2022-10-17 16:39:16,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-17 16:39:16,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:16,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:16,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2022-10-17 16:39:17,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:17,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 85 states and 386 transitions. [2022-10-17 16:39:17,104 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 386 transitions. [2022-10-17 16:39:17,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-17 16:39:17,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:17,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2022-10-17 16:39:18,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 88 states and 414 transitions. [2022-10-17 16:39:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 414 transitions. [2022-10-17 16:39:18,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-10-17 16:39:18,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:18,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:26,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 828 proven. 218 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked.