./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c --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_d70cda96-216f-4fe3-beba-ad4f87fd435f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d70cda96-216f-4fe3-beba-ad4f87fd435f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d70cda96-216f-4fe3-beba-ad4f87fd435f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d70cda96-216f-4fe3-beba-ad4f87fd435f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d70cda96-216f-4fe3-beba-ad4f87fd435f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d70cda96-216f-4fe3-beba-ad4f87fd435f/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 c6d41d2a2a28e240d9196f063199b00c22e981e9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:13:10,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:13:10,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:13:10,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:13:10,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:13:10,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:13:10,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:13:10,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:13:10,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:13:10,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:13:10,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:13:10,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:13:10,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:13:10,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:13:10,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:13:10,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:13:10,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:13:10,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:13:10,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:13:10,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:13:10,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:13:10,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:13:10,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:13:10,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:13:10,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:13:10,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:13:10,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:13:10,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:13:10,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:13:10,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:13:10,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:13:10,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:13:10,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:13:10,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:13:10,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:13:10,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:13:10,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:13:10,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:13:10,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:13:10,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:13:10,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:13:10,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d70cda96-216f-4fe3-beba-ad4f87fd435f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:13:10,888 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:13:10,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:13:10,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:13:10,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:13:10,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:13:10,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:13:10,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:13:10,892 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:13:10,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:13:10,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:13:10,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:13:10,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:13:10,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:13:10,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:13:10,894 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:13:10,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:13:10,895 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:13:10,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:13:10,895 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:13:10,895 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:13:10,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:13:10,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:13:10,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:13:10,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:13:10,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:13:10,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:13:10,897 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:13:10,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:13:10,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:13:10,899 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_d70cda96-216f-4fe3-beba-ad4f87fd435f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d70cda96-216f-4fe3-beba-ad4f87fd435f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6d41d2a2a28e240d9196f063199b00c22e981e9 [2020-12-01 17:13:11,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:13:11,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:13:11,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:13:11,228 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:13:11,228 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:13:11,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d70cda96-216f-4fe3-beba-ad4f87fd435f/bin/ukojak/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-12-01 17:13:11,317 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d70cda96-216f-4fe3-beba-ad4f87fd435f/bin/ukojak/data/0089d1757/6ed022f084cf4085899b8e2f8053b277/FLAG894b9a164 [2020-12-01 17:13:11,756 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:13:11,756 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d70cda96-216f-4fe3-beba-ad4f87fd435f/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-12-01 17:13:11,764 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d70cda96-216f-4fe3-beba-ad4f87fd435f/bin/ukojak/data/0089d1757/6ed022f084cf4085899b8e2f8053b277/FLAG894b9a164 [2020-12-01 17:13:12,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d70cda96-216f-4fe3-beba-ad4f87fd435f/bin/ukojak/data/0089d1757/6ed022f084cf4085899b8e2f8053b277 [2020-12-01 17:13:12,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:13:12,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:13:12,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:13:12,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:13:12,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:13:12,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:13:12" (1/1) ... [2020-12-01 17:13:12,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c8ffab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:12, skipping insertion in model container [2020-12-01 17:13:12,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:13:12" (1/1) ... [2020-12-01 17:13:12,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:13:12,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:13:12,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:13:12,439 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:13:12,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:13:12,487 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:13:12,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:12 WrapperNode [2020-12-01 17:13:12,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:13:12,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:13:12,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:13:12,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:13:12,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:12" (1/1) ... [2020-12-01 17:13:12,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:12" (1/1) ... [2020-12-01 17:13:12,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:13:12,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:13:12,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:13:12,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:13:12,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:12" (1/1) ... [2020-12-01 17:13:12,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:12" (1/1) ... [2020-12-01 17:13:12,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:12" (1/1) ... [2020-12-01 17:13:12,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:12" (1/1) ... [2020-12-01 17:13:12,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:12" (1/1) ... [2020-12-01 17:13:12,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:12" (1/1) ... [2020-12-01 17:13:12,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:12" (1/1) ... [2020-12-01 17:13:12,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:13:12,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:13:12,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:13:12,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:13:12,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d70cda96-216f-4fe3-beba-ad4f87fd435f/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 17:13:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-12-01 17:13:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-12-01 17:13:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:13:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:13:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:13:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:13:13,154 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:13:13,155 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-01 17:13:13,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:13:13 BoogieIcfgContainer [2020-12-01 17:13:13,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:13:13,158 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:13:13,159 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:13:13,177 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:13:13,180 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:13:13" (1/1) ... [2020-12-01 17:13:13,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:13:13,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:13,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2020-12-01 17:13:13,268 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2020-12-01 17:13:13,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:13:13,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:13,563 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 17:13:13,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:13,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2020-12-01 17:13:13,620 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2020-12-01 17:13:13,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:13:13,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:13,745 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 17:13:13,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:13,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2020-12-01 17:13:13,845 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2020-12-01 17:13:13,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:13:13,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:13,955 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 17:13:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:14,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 77 transitions. [2020-12-01 17:13:14,200 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2020-12-01 17:13:14,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:13:14,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:14,263 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 17:13:14,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:14,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2020-12-01 17:13:14,463 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2020-12-01 17:13:14,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:13:14,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:14,616 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 17:13:15,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:15,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2020-12-01 17:13:15,451 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2020-12-01 17:13:15,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:13:15,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:15,541 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 17:13:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 59 states and 90 transitions. [2020-12-01 17:13:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2020-12-01 17:13:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:13:15,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:16,055 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 17:13:17,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:17,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2020-12-01 17:13:17,151 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2020-12-01 17:13:17,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:13:17,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:17,290 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 17:13:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 66 states and 101 transitions. [2020-12-01 17:13:17,876 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 101 transitions. [2020-12-01 17:13:17,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:13:17,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:17,987 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 17:13:18,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 72 states and 107 transitions. [2020-12-01 17:13:18,887 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2020-12-01 17:13:18,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:13:18,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:18,999 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 17:13:20,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:20,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 114 transitions. [2020-12-01 17:13:20,519 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2020-12-01 17:13:20,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:13:20,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:20,825 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 17:13:23,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 82 states and 117 transitions. [2020-12-01 17:13:23,445 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2020-12-01 17:13:23,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:13:23,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:23,770 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 17:13:28,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:28,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 95 states and 141 transitions. [2020-12-01 17:13:28,355 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2020-12-01 17:13:28,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:13:28,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:28,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:29,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:29,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 100 states and 150 transitions. [2020-12-01 17:13:29,907 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 150 transitions. [2020-12-01 17:13:29,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:13:29,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:30,162 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 17:13:32,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:32,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 105 states and 157 transitions. [2020-12-01 17:13:32,159 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2020-12-01 17:13:32,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:13:32,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:32,573 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 17:13:38,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:38,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 119 states and 181 transitions. [2020-12-01 17:13:38,857 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 181 transitions. [2020-12-01 17:13:38,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:13:38,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:38,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:13:39,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:39,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 120 states and 181 transitions. [2020-12-01 17:13:39,056 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 181 transitions. [2020-12-01 17:13:39,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:13:39,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:39,188 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:41,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:41,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 125 states and 186 transitions. [2020-12-01 17:13:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 186 transitions. [2020-12-01 17:13:41,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:13:41,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:42,078 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 17:13:43,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:43,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 128 states and 190 transitions. [2020-12-01 17:13:43,425 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 190 transitions. [2020-12-01 17:13:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:13:43,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:43,925 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 17:13:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:45,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 131 states and 194 transitions. [2020-12-01 17:13:45,560 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 194 transitions. [2020-12-01 17:13:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:13:45,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:45,577 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:13:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 132 states and 194 transitions. [2020-12-01 17:13:45,903 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 194 transitions. [2020-12-01 17:13:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:13:45,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:45,933 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:13:52,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:52,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 141 states and 206 transitions. [2020-12-01 17:13:52,398 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 206 transitions. [2020-12-01 17:13:52,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:13:52,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:52,428 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:56,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:56,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 146 states and 212 transitions. [2020-12-01 17:13:56,406 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 212 transitions. [2020-12-01 17:13:56,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:13:56,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:56,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:14:01,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:01,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 222 transitions. [2020-12-01 17:14:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2020-12-01 17:14:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:14:01,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:01,293 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:14:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:02,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 152 states and 222 transitions. [2020-12-01 17:14:02,142 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 222 transitions. [2020-12-01 17:14:02,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:14:02,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:14:04,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 154 states and 224 transitions. [2020-12-01 17:14:04,563 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 224 transitions. [2020-12-01 17:14:04,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:14:04,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:05,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:14:10,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:10,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 162 states and 248 transitions. [2020-12-01 17:14:10,302 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 248 transitions. [2020-12-01 17:14:10,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:14:10,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:10,898 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:14:13,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:13,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 164 states and 255 transitions. [2020-12-01 17:14:13,675 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 255 transitions. [2020-12-01 17:14:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:14:13,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:14:15,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:15,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 166 states and 256 transitions. [2020-12-01 17:14:15,266 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 256 transitions. [2020-12-01 17:14:15,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:14:15,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:15,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:14:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:20,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 173 states and 278 transitions. [2020-12-01 17:14:20,259 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 278 transitions. [2020-12-01 17:14:20,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:14:20,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:20,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:14:28,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 183 states and 297 transitions. [2020-12-01 17:14:28,138 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 297 transitions. [2020-12-01 17:14:28,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:14:28,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:28,177 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:14:32,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:32,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 188 states and 306 transitions. [2020-12-01 17:14:32,725 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 306 transitions. [2020-12-01 17:14:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:14:32,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:32,892 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:14:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:38,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 193 states and 313 transitions. [2020-12-01 17:14:38,084 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 313 transitions. [2020-12-01 17:14:38,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:14:38,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:39,840 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:14:42,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:42,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 194 states and 316 transitions. [2020-12-01 17:14:42,308 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 316 transitions. [2020-12-01 17:14:42,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:14:42,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:42,339 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:14:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 199 states and 324 transitions. [2020-12-01 17:14:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 324 transitions. [2020-12-01 17:14:47,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:14:47,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:47,441 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:14:52,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:52,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 205 states and 337 transitions. [2020-12-01 17:14:52,528 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 337 transitions. [2020-12-01 17:14:52,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:14:52,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:52,557 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:14:58,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:58,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 205 states and 336 transitions. [2020-12-01 17:14:58,240 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 336 transitions. [2020-12-01 17:14:58,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:14:58,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:14:59,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 205 states and 335 transitions. [2020-12-01 17:14:59,355 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 335 transitions. [2020-12-01 17:14:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:14:59,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:59,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:09,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 213 states and 347 transitions. [2020-12-01 17:15:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 347 transitions. [2020-12-01 17:15:09,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:15:09,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:09,201 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:15:11,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:11,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 215 states and 354 transitions. [2020-12-01 17:15:11,986 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 354 transitions. [2020-12-01 17:15:11,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:15:11,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:14,057 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:41,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:41,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 223 states and 373 transitions. [2020-12-01 17:15:41,772 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 373 transitions. [2020-12-01 17:15:41,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:15:41,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:15:49,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:49,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 228 states and 377 transitions. [2020-12-01 17:15:49,649 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 377 transitions. [2020-12-01 17:15:49,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:15:49,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:49,685 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 231 states and 381 transitions. [2020-12-01 17:16:10,096 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 381 transitions. [2020-12-01 17:16:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:16:10,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:10,133 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:16:34,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:34,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 241 states and 394 transitions. [2020-12-01 17:16:34,210 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 394 transitions. [2020-12-01 17:16:34,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 17:16:34,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:43,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:43,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 246 states and 400 transitions. [2020-12-01 17:16:43,873 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 400 transitions. [2020-12-01 17:16:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:16:43,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:44,624 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:16:51,160 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-01 17:16:55,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:55,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 252 states and 416 transitions. [2020-12-01 17:16:55,587 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 416 transitions. [2020-12-01 17:16:55,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:16:55,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:55,612 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:16:58,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:58,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 252 states and 412 transitions. [2020-12-01 17:16:58,084 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 412 transitions. [2020-12-01 17:16:58,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:16:58,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:58,117 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 17:17:11,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:11,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 252 states and 411 transitions. [2020-12-01 17:17:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 411 transitions. [2020-12-01 17:17:11,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:17:11,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:11,710 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:17:33,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:33,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 260 states and 425 transitions. [2020-12-01 17:17:33,240 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 425 transitions. [2020-12-01 17:17:33,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:17:33,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 17:17:56,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:56,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 269 states and 435 transitions. [2020-12-01 17:17:56,982 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 435 transitions. [2020-12-01 17:17:56,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:17:56,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:18:07,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 272 states and 439 transitions. [2020-12-01 17:18:07,252 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 439 transitions. [2020-12-01 17:18:07,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:18:07,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:07,293 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 17:18:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 281 states and 449 transitions. [2020-12-01 17:18:31,991 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 449 transitions. [2020-12-01 17:18:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:18:31,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:32,031 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:18:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:45,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 285 states and 452 transitions. [2020-12-01 17:18:45,021 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 452 transitions. [2020-12-01 17:18:45,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:18:45,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 17:18:56,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2020-12-01 17:18:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2020-12-01 17:18:56,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:18:56,168 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 54 iterations. [2020-12-01 17:18:56,176 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:18:56,298 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-01 17:18:56,465 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2020-12-01 17:18:56,599 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2020-12-01 17:18:56,746 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-12-01 17:18:56,900 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2020-12-01 17:18:57,301 WARN L197 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-12-01 17:18:57,460 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2020-12-01 17:18:57,613 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-12-01 17:18:57,894 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-12-01 17:18:58,227 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2020-12-01 17:18:58,361 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2020-12-01 17:18:58,608 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2020-12-01 17:18:58,742 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-12-01 17:18:58,919 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2020-12-01 17:18:59,051 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-12-01 17:18:59,613 WARN L197 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-12-01 17:18:59,761 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2020-12-01 17:18:59,866 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 12 [2020-12-01 17:19:00,010 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2020-12-01 17:19:00,144 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-12-01 17:19:00,408 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-12-01 17:19:00,693 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2020-12-01 17:19:00,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:19:00,698 INFO L569 CodeCheckObserver]: Invariant with dag size 28 [2020-12-01 17:19:00,706 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2020-12-01 17:19:00,707 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2020-12-01 17:19:00,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:19:00 ImpRootNode [2020-12-01 17:19:00,708 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:19:00,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:19:00,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:19:00,709 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:19:00,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:13:13" (3/4) ... [2020-12-01 17:19:00,713 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:19:00,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2020-12-01 17:19:00,727 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 17:19:00,727 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:19:00,728 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:19:00,728 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:19:00,825 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d70cda96-216f-4fe3-beba-ad4f87fd435f/bin/ukojak/witness.graphml [2020-12-01 17:19:00,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:19:00,826 INFO L168 Benchmark]: Toolchain (without parser) took 348674.80 ms. Allocated memory was 117.4 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 86.5 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 228.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:19:00,827 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 117.4 MB. Free memory was 74.5 MB in the beginning and 74.4 MB in the end (delta: 69.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:19:00,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.24 ms. Allocated memory is still 117.4 MB. Free memory was 95.0 MB in the beginning and 90.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:19:00,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.80 ms. Allocated memory is still 117.4 MB. Free memory was 90.5 MB in the beginning and 88.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:19:00,828 INFO L168 Benchmark]: Boogie Preprocessor took 25.20 ms. Allocated memory is still 117.4 MB. Free memory was 88.8 MB in the beginning and 87.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:19:00,828 INFO L168 Benchmark]: RCFGBuilder took 600.99 ms. Allocated memory is still 117.4 MB. Free memory was 87.3 MB in the beginning and 62.9 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:19:00,829 INFO L168 Benchmark]: CodeCheck took 347550.12 ms. Allocated memory was 117.4 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 62.9 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 996.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:19:00,829 INFO L168 Benchmark]: Witness Printer took 116.20 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:19:00,832 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, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 342.9s, OverallIterations: 54, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -692423248 SDslu, 679156336 SDs, 0 SdLazy, -774182538 SolverSat, 1258790018 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 54.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14220 GetRequests, 12654 SyntacticMatches, 526 SemanticMatches, 1040 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463355 ImplicationChecksByTransitivity, 336.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 1412 NumberOfCodeBlocks, 1412 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 1359 ConstructedInterpolants, 0 QuantifiedInterpolants, 139418 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 26 PerfectInterpolantSequences, 269/561 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: 4]: 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: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: (((((0 <= main__j && main__j + 5 <= main__bufsize) && main__len < main__i + 2) && 0 <= main__i) && main__i < main__len) || (((((main__j + 5 <= main__bufsize && 0 <= main__i) && !(main__i == 0)) && main__i + 2 <= main__len) && 1 <= main__j) && main__limit + 4 <= main__bufsize)) || (((((0 <= main__j && main__j + 5 <= main__bufsize) && 0 <= main__i) && main__j < 1) && main__i + 2 <= main__len) && main__limit + 4 <= main__bufsize) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((((0 <= main__j && 0 <= main__i) && main__j < 1) && main__limit + 4 <= main__bufsize) || ((((5 <= main__bufsize && 0 <= main__i) && !(main__i == 0)) && 1 <= main__j) && main__limit + 4 <= main__bufsize)) || main__len <= main__i - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (0 <= main__i && main__limit + 4 <= main__bufsize) || main__len <= main__i * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 117.4 MB. Free memory was 74.5 MB in the beginning and 74.4 MB in the end (delta: 69.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 326.24 ms. Allocated memory is still 117.4 MB. Free memory was 95.0 MB in the beginning and 90.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.80 ms. Allocated memory is still 117.4 MB. Free memory was 90.5 MB in the beginning and 88.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.20 ms. Allocated memory is still 117.4 MB. Free memory was 88.8 MB in the beginning and 87.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 600.99 ms. Allocated memory is still 117.4 MB. Free memory was 87.3 MB in the beginning and 62.9 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * CodeCheck took 347550.12 ms. Allocated memory was 117.4 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 62.9 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 996.5 MB. Max. memory is 16.1 GB. * Witness Printer took 116.20 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 5.2 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...