./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak --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 2d5e1e94b71e060a77443e2afd511bc50cc1649d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:36:26,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:36:26,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:36:26,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:36:26,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:36:26,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:36:26,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:36:26,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:36:26,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:36:26,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:36:26,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:36:26,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:36:26,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:36:26,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:36:26,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:36:26,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:36:26,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:36:26,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:36:26,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:36:26,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:36:26,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:36:26,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:36:26,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:36:26,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:36:26,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:36:26,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:36:26,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:36:26,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:36:26,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:36:26,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:36:26,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:36:26,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:36:26,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:36:26,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:36:26,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:36:26,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:36:26,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:36:26,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:36:26,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:36:26,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:36:26,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:36:26,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:36:26,944 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:36:26,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:36:26,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:36:26,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:36:26,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:36:26,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:36:26,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:36:26,955 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:36:26,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:36:26,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:36:26,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:36:26,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:36:26,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:36:26,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:36:26,958 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:36:26,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:36:26,959 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:36:26,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:36:26,959 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:36:26,960 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:36:26,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:36:26,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:36:26,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:36:26,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:36:26,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:36:26,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:36:26,962 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:36:26,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:36:26,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:36:26,965 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-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d5e1e94b71e060a77443e2afd511bc50cc1649d [2020-12-01 17:36:27,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:36:27,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:36:27,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:36:27,363 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:36:27,367 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:36:27,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2020-12-01 17:36:27,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak/data/031013ec6/d6ae5c7afe344df58030cbe9dc5d97ff/FLAGb089114a5 [2020-12-01 17:36:28,143 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:36:28,144 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2020-12-01 17:36:28,154 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak/data/031013ec6/d6ae5c7afe344df58030cbe9dc5d97ff/FLAGb089114a5 [2020-12-01 17:36:28,499 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak/data/031013ec6/d6ae5c7afe344df58030cbe9dc5d97ff [2020-12-01 17:36:28,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:36:28,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:36:28,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:36:28,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:36:28,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:36:28,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:36:28" (1/1) ... [2020-12-01 17:36:28,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5954c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:28, skipping insertion in model container [2020-12-01 17:36:28,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:36:28" (1/1) ... [2020-12-01 17:36:28,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:36:28,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:36:28,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:36:28,805 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:36:28,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:36:28,874 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:36:28,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:28 WrapperNode [2020-12-01 17:36:28,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:36:28,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:36:28,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:36:28,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:36:28,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:28" (1/1) ... [2020-12-01 17:36:28,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:28" (1/1) ... [2020-12-01 17:36:28,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:36:28,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:36:28,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:36:28,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:36:28,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:28" (1/1) ... [2020-12-01 17:36:28,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:28" (1/1) ... [2020-12-01 17:36:28,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:28" (1/1) ... [2020-12-01 17:36:28,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:28" (1/1) ... [2020-12-01 17:36:28,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:28" (1/1) ... [2020-12-01 17:36:28,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:28" (1/1) ... [2020-12-01 17:36:28,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:28" (1/1) ... [2020-12-01 17:36:28,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:36:28,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:36:28,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:36:28,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:36:28,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:36:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:36:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:36:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:36:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:36:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 17:36:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 17:36:29,560 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:36:29,561 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-01 17:36:29,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:36:29 BoogieIcfgContainer [2020-12-01 17:36:29,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:36:29,565 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:36:29,565 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:36:29,589 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:36:29,590 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:36:29" (1/1) ... [2020-12-01 17:36:29,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:36:29,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:29,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2020-12-01 17:36:29,650 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2020-12-01 17:36:29,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:36:29,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:29,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2020-12-01 17:36:29,829 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2020-12-01 17:36:29,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:36:29,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:30,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:30,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 84 transitions. [2020-12-01 17:36:30,267 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2020-12-01 17:36:30,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:36:30,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:30,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:30,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 86 transitions. [2020-12-01 17:36:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2020-12-01 17:36:30,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:36:30,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:30,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 86 transitions. [2020-12-01 17:36:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2020-12-01 17:36:30,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:36:30,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:30,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:30,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:30,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 88 transitions. [2020-12-01 17:36:30,990 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2020-12-01 17:36:30,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:36:30,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:31,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:31,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:31,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 98 transitions. [2020-12-01 17:36:31,300 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 98 transitions. [2020-12-01 17:36:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:36:31,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:31,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 102 transitions. [2020-12-01 17:36:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 102 transitions. [2020-12-01 17:36:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:36:31,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:31,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:36:31,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:31,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 57 states and 101 transitions. [2020-12-01 17:36:31,476 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 101 transitions. [2020-12-01 17:36:31,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:36:31,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:31,614 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:36:31,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:31,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 110 transitions. [2020-12-01 17:36:31,715 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 110 transitions. [2020-12-01 17:36:31,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:36:31,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:36:31,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:31,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 62 states and 113 transitions. [2020-12-01 17:36:31,823 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2020-12-01 17:36:31,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:36:31,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:31,866 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:36:31,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:31,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 65 states and 121 transitions. [2020-12-01 17:36:31,895 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 121 transitions. [2020-12-01 17:36:31,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:36:31,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:36:31,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:31,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 123 transitions. [2020-12-01 17:36:31,979 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2020-12-01 17:36:31,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:36:31,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:32,038 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:36:32,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:32,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 124 transitions. [2020-12-01 17:36:32,057 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 124 transitions. [2020-12-01 17:36:32,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:36:32,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:36:32,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:32,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 126 transitions. [2020-12-01 17:36:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2020-12-01 17:36:32,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:36:32,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 17:36:32,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 69 states and 127 transitions. [2020-12-01 17:36:32,302 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2020-12-01 17:36:32,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:36:32,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 17:36:33,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:33,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 73 states and 134 transitions. [2020-12-01 17:36:33,265 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 134 transitions. [2020-12-01 17:36:33,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:36:33,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:33,365 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 17:36:33,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:33,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 77 states and 140 transitions. [2020-12-01 17:36:33,629 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 140 transitions. [2020-12-01 17:36:33,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:36:33,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 17:36:34,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:34,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 84 states and 156 transitions. [2020-12-01 17:36:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 156 transitions. [2020-12-01 17:36:34,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:36:34,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:34,091 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 17:36:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:34,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 161 transitions. [2020-12-01 17:36:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2020-12-01 17:36:34,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:36:34,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:34,231 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 17:36:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:34,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 87 states and 162 transitions. [2020-12-01 17:36:34,284 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 162 transitions. [2020-12-01 17:36:34,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:36:34,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:34,387 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 17:36:34,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:34,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 89 states and 167 transitions. [2020-12-01 17:36:34,456 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 167 transitions. [2020-12-01 17:36:34,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:36:34,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:34,524 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:36:34,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:34,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 92 states and 172 transitions. [2020-12-01 17:36:34,617 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 172 transitions. [2020-12-01 17:36:34,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:36:34,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:36:35,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:35,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 95 states and 178 transitions. [2020-12-01 17:36:35,220 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 178 transitions. [2020-12-01 17:36:35,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:36:35,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:35,258 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:36:35,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:35,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 99 states and 185 transitions. [2020-12-01 17:36:35,551 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 185 transitions. [2020-12-01 17:36:35,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:36:35,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-01 17:36:35,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:35,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 102 states and 191 transitions. [2020-12-01 17:36:35,803 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 191 transitions. [2020-12-01 17:36:35,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:36:35,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:36:35,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:35,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 103 states and 193 transitions. [2020-12-01 17:36:35,887 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2020-12-01 17:36:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:36:35,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:35,943 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:36:36,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:36,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 104 states and 194 transitions. [2020-12-01 17:36:36,172 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2020-12-01 17:36:36,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:36:36,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:36,214 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:36:36,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 105 states and 195 transitions. [2020-12-01 17:36:36,315 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 195 transitions. [2020-12-01 17:36:36,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:36:36,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:36:36,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:36,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 107 states and 199 transitions. [2020-12-01 17:36:36,416 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 199 transitions. [2020-12-01 17:36:36,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:36:36,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:36,451 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 17:36:36,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 107 states and 198 transitions. [2020-12-01 17:36:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 198 transitions. [2020-12-01 17:36:36,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:36:36,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:36:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 111 states and 206 transitions. [2020-12-01 17:36:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 206 transitions. [2020-12-01 17:36:37,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:36:37,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:37,713 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:36:38,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:38,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 114 states and 210 transitions. [2020-12-01 17:36:38,058 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2020-12-01 17:36:38,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:36:38,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:38,085 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:36:38,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 117 states and 211 transitions. [2020-12-01 17:36:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 211 transitions. [2020-12-01 17:36:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:36:38,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:36:38,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 122 states and 219 transitions. [2020-12-01 17:36:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 219 transitions. [2020-12-01 17:36:38,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:36:38,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:36:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:38,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 124 states and 222 transitions. [2020-12-01 17:36:38,753 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2020-12-01 17:36:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:36:38,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:38,781 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:36:38,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 125 states and 223 transitions. [2020-12-01 17:36:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 223 transitions. [2020-12-01 17:36:38,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:36:38,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:36:38,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:38,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 127 states and 226 transitions. [2020-12-01 17:36:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2020-12-01 17:36:38,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:36:38,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:36:39,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:39,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 130 states and 232 transitions. [2020-12-01 17:36:39,080 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 232 transitions. [2020-12-01 17:36:39,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:36:39,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:36:39,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:39,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 128 states and 227 transitions. [2020-12-01 17:36:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 227 transitions. [2020-12-01 17:36:39,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:36:39,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:39,192 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-12-01 17:36:39,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:39,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 129 states and 229 transitions. [2020-12-01 17:36:39,482 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 229 transitions. [2020-12-01 17:36:39,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:36:39,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-01 17:36:39,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:39,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 130 states and 230 transitions. [2020-12-01 17:36:39,869 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 230 transitions. [2020-12-01 17:36:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:36:39,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-01 17:36:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:40,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 129 states and 227 transitions. [2020-12-01 17:36:40,172 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 227 transitions. [2020-12-01 17:36:40,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:36:40,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-12-01 17:36:40,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 123 states and 217 transitions. [2020-12-01 17:36:40,298 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 217 transitions. [2020-12-01 17:36:40,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:36:40,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:40,332 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-01 17:36:40,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 124 states and 218 transitions. [2020-12-01 17:36:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 218 transitions. [2020-12-01 17:36:40,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:36:40,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:40,561 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-01 17:36:40,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:40,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 118 states and 209 transitions. [2020-12-01 17:36:40,773 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 209 transitions. [2020-12-01 17:36:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 17:36:40,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-01 17:36:40,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:40,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 92 states and 148 transitions. [2020-12-01 17:36:40,914 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions. [2020-12-01 17:36:40,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:36:40,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 17:36:41,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:41,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 90 states and 145 transitions. [2020-12-01 17:36:41,253 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 145 transitions. [2020-12-01 17:36:41,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:36:41,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:41,299 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 17:36:41,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:41,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 92 states and 149 transitions. [2020-12-01 17:36:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 149 transitions. [2020-12-01 17:36:41,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:36:41,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:41,402 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 17:36:41,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:41,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 84 states and 137 transitions. [2020-12-01 17:36:41,446 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 137 transitions. [2020-12-01 17:36:41,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:36:41,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 30 proven. 4 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 17:36:41,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:41,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 83 states and 135 transitions. [2020-12-01 17:36:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2020-12-01 17:36:41,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 17:36:41,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:41,575 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 17:36:41,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:41,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 64 states and 108 transitions. [2020-12-01 17:36:41,596 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2020-12-01 17:36:41,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:36:41,597 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2020-12-01 17:36:41,606 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:36:42,134 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:42,141 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:42,147 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:42,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:36:42 ImpRootNode [2020-12-01 17:36:42,148 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:36:42,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:36:42,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:36:42,149 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:36:42,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:36:29" (3/4) ... [2020-12-01 17:36:42,165 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:36:42,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-12-01 17:36:42,189 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-01 17:36:42,192 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 17:36:42,193 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:36:42,194 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:36:42,298 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9aba8e92-eed2-4dbd-b862-1f02f4d0a008/bin/ukojak/witness.graphml [2020-12-01 17:36:42,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:36:42,302 INFO L168 Benchmark]: Toolchain (without parser) took 13793.72 ms. Allocated memory was 102.8 MB in the beginning and 209.7 MB in the end (delta: 107.0 MB). Free memory was 75.2 MB in the beginning and 127.7 MB in the end (delta: -52.6 MB). Peak memory consumption was 57.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:42,303 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory is still 53.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:36:42,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.67 ms. Allocated memory is still 102.8 MB. Free memory was 74.9 MB in the beginning and 65.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:42,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.35 ms. Allocated memory is still 102.8 MB. Free memory was 65.1 MB in the beginning and 63.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:42,304 INFO L168 Benchmark]: Boogie Preprocessor took 29.94 ms. Allocated memory is still 102.8 MB. Free memory was 63.4 MB in the beginning and 62.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:36:42,305 INFO L168 Benchmark]: RCFGBuilder took 611.09 ms. Allocated memory is still 102.8 MB. Free memory was 62.3 MB in the beginning and 44.2 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:42,305 INFO L168 Benchmark]: CodeCheck took 12583.61 ms. Allocated memory was 102.8 MB in the beginning and 209.7 MB in the end (delta: 107.0 MB). Free memory was 44.0 MB in the beginning and 131.9 MB in the end (delta: -88.0 MB). Peak memory consumption was 90.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:42,306 INFO L168 Benchmark]: Witness Printer took 149.73 ms. Allocated memory is still 209.7 MB. Free memory was 130.9 MB in the beginning and 127.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:42,308 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.9s, OverallIterations: 52, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16842752 SDtfs, 1038221504 SDslu, -482557436 SDs, 0 SdLazy, -1036872496 SolverSat, 961587176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21832 GetRequests, 21318 SyntacticMatches, 394 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8163 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1841 NumberOfCodeBlocks, 1841 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1790 ConstructedInterpolants, 0 QuantifiedInterpolants, 154895 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 29 PerfectInterpolantSequences, 2053/2175 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory is still 53.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 359.67 ms. Allocated memory is still 102.8 MB. Free memory was 74.9 MB in the beginning and 65.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.35 ms. Allocated memory is still 102.8 MB. Free memory was 65.1 MB in the beginning and 63.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.94 ms. Allocated memory is still 102.8 MB. Free memory was 63.4 MB in the beginning and 62.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 611.09 ms. Allocated memory is still 102.8 MB. Free memory was 62.3 MB in the beginning and 44.2 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 12583.61 ms. Allocated memory was 102.8 MB in the beginning and 209.7 MB in the end (delta: 107.0 MB). Free memory was 44.0 MB in the beginning and 131.9 MB in the end (delta: -88.0 MB). Peak memory consumption was 90.6 MB. Max. memory is 16.1 GB. * Witness Printer took 149.73 ms. Allocated memory is still 209.7 MB. Free memory was 130.9 MB in the beginning and 127.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...