./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64d26f08f1705388a8bcbde0799622957ce08f36 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:14:52,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:14:52,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:14:52,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:14:52,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:14:52,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:14:52,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:14:52,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:14:52,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:14:52,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:14:52,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:14:52,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:14:52,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:14:52,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:14:52,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:14:52,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:14:52,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:14:52,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:14:52,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:14:52,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:14:52,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:14:52,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:14:52,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:14:52,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:14:52,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:14:52,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:14:52,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:14:52,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:14:52,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:14:52,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:14:52,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:14:52,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:14:52,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:14:52,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:14:52,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:14:52,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:14:52,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:14:52,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:14:52,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:14:52,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:14:52,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:14:52,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:14:52,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:14:52,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:14:52,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:14:52,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:14:52,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:14:52,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:14:52,619 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:14:52,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:14:52,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:14:52,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:14:52,620 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:14:52,620 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:14:52,620 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:14:52,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:14:52,621 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:14:52,621 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:14:52,621 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:14:52,621 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:14:52,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:14:52,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:14:52,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:14:52,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:14:52,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:14:52,622 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:14:52,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:14:52,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64d26f08f1705388a8bcbde0799622957ce08f36 [2019-10-22 10:14:52,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:14:52,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:14:52,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:14:52,665 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:14:52,666 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:14:52,666 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c [2019-10-22 10:14:52,710 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/bin/ukojak/data/1ea9e95e0/cfd98380d5e9412ea236dba760b87fea/FLAG96609c888 [2019-10-22 10:14:53,082 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:14:53,082 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/sv-benchmarks/c/ldv-memsafety/StructInitialization1.c [2019-10-22 10:14:53,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/bin/ukojak/data/1ea9e95e0/cfd98380d5e9412ea236dba760b87fea/FLAG96609c888 [2019-10-22 10:14:53,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/bin/ukojak/data/1ea9e95e0/cfd98380d5e9412ea236dba760b87fea [2019-10-22 10:14:53,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:14:53,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:14:53,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:53,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:14:53,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:14:53,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:53" (1/1) ... [2019-10-22 10:14:53,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@587b9e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:53, skipping insertion in model container [2019-10-22 10:14:53,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:53" (1/1) ... [2019-10-22 10:14:53,514 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:14:53,534 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:14:53,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:53,777 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:14:53,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:53,842 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:14:53,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:53 WrapperNode [2019-10-22 10:14:53,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:53,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:53,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:14:53,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:14:53,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:53" (1/1) ... [2019-10-22 10:14:53,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:53" (1/1) ... [2019-10-22 10:14:53,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:53,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:14:53,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:14:53,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:14:53,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:53" (1/1) ... [2019-10-22 10:14:53,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:53" (1/1) ... [2019-10-22 10:14:53,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:53" (1/1) ... [2019-10-22 10:14:53,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:53" (1/1) ... [2019-10-22 10:14:53,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:53" (1/1) ... [2019-10-22 10:14:53,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:53" (1/1) ... [2019-10-22 10:14:53,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:53" (1/1) ... [2019-10-22 10:14:53,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:14:53,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:14:53,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:14:53,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:14:53,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/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 [2019-10-22 10:14:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 10:14:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 10:14:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:14:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:14:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 10:14:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:14:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:14:54,817 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:14:54,818 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 10:14:54,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:54 BoogieIcfgContainer [2019-10-22 10:14:54,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:14:54,819 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:14:54,820 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:14:54,831 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:14:54,832 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:54" (1/1) ... [2019-10-22 10:14:54,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:14:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 124 states and 123 transitions. [2019-10-22 10:14:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 123 transitions. [2019-10-22 10:14:54,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-10-22 10:14:54,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 123 states and 122 transitions. [2019-10-22 10:14:55,105 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 122 transitions. [2019-10-22 10:14:55,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-10-22 10:14:55,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:55,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 122 states and 121 transitions. [2019-10-22 10:14:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 121 transitions. [2019-10-22 10:14:55,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:14:55,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:55,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 121 states and 120 transitions. [2019-10-22 10:14:55,409 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 120 transitions. [2019-10-22 10:14:55,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:14:55,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:55,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 120 states and 119 transitions. [2019-10-22 10:14:55,507 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 119 transitions. [2019-10-22 10:14:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:14:55,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:55,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 119 states and 118 transitions. [2019-10-22 10:14:55,569 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 118 transitions. [2019-10-22 10:14:55,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:14:55,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:55,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 118 states and 117 transitions. [2019-10-22 10:14:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 117 transitions. [2019-10-22 10:14:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:14:55,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:55,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 117 states and 116 transitions. [2019-10-22 10:14:55,674 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 116 transitions. [2019-10-22 10:14:55,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:14:55,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 116 states and 115 transitions. [2019-10-22 10:14:55,735 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 115 transitions. [2019-10-22 10:14:55,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:14:55,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:55,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 115 states and 114 transitions. [2019-10-22 10:14:55,778 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 114 transitions. [2019-10-22 10:14:55,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:14:55,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:55,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 114 states and 113 transitions. [2019-10-22 10:14:55,846 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 113 transitions. [2019-10-22 10:14:55,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:14:55,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 113 states and 112 transitions. [2019-10-22 10:14:55,893 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 112 transitions. [2019-10-22 10:14:55,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:14:55,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:56,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 112 states and 111 transitions. [2019-10-22 10:14:56,077 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 111 transitions. [2019-10-22 10:14:56,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:14:56,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:56,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 111 states and 110 transitions. [2019-10-22 10:14:56,112 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 110 transitions. [2019-10-22 10:14:56,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:14:56,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:56,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 110 states and 109 transitions. [2019-10-22 10:14:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 109 transitions. [2019-10-22 10:14:56,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:14:56,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:56,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 109 states and 108 transitions. [2019-10-22 10:14:56,275 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 108 transitions. [2019-10-22 10:14:56,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:14:56,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:56,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 108 states and 107 transitions. [2019-10-22 10:14:56,356 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 107 transitions. [2019-10-22 10:14:56,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:14:56,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:56,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 107 states and 106 transitions. [2019-10-22 10:14:56,390 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 106 transitions. [2019-10-22 10:14:56,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:14:56,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 106 states and 105 transitions. [2019-10-22 10:14:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 105 transitions. [2019-10-22 10:14:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:56,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:56,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 105 states and 104 transitions. [2019-10-22 10:14:56,479 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 104 transitions. [2019-10-22 10:14:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:56,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:56,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 104 states and 103 transitions. [2019-10-22 10:14:56,540 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 103 transitions. [2019-10-22 10:14:56,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:14:56,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:56,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 103 states and 102 transitions. [2019-10-22 10:14:56,579 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 102 transitions. [2019-10-22 10:14:56,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:14:56,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:56,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 102 states and 101 transitions. [2019-10-22 10:14:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 101 transitions. [2019-10-22 10:14:56,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:14:56,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:56,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 101 states and 100 transitions. [2019-10-22 10:14:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 100 transitions. [2019-10-22 10:14:56,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:14:56,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:57,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:57,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 100 states and 99 transitions. [2019-10-22 10:14:57,108 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 99 transitions. [2019-10-22 10:14:57,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:14:57,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:57,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:57,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:57,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 99 states and 98 transitions. [2019-10-22 10:14:57,140 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 98 transitions. [2019-10-22 10:14:57,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:14:57,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:57,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:57,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 98 states and 97 transitions. [2019-10-22 10:14:57,182 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 97 transitions. [2019-10-22 10:14:57,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:14:57,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:57,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:57,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:57,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 97 states and 96 transitions. [2019-10-22 10:14:57,214 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 96 transitions. [2019-10-22 10:14:57,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:14:57,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:57,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 96 states and 95 transitions. [2019-10-22 10:14:57,257 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 95 transitions. [2019-10-22 10:14:57,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:14:57,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:57,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:57,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 95 states and 94 transitions. [2019-10-22 10:14:57,289 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 94 transitions. [2019-10-22 10:14:57,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:14:57,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:57,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:57,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 94 states and 93 transitions. [2019-10-22 10:14:57,669 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 93 transitions. [2019-10-22 10:14:57,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:14:57,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:57,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:57,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:57,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 93 states and 92 transitions. [2019-10-22 10:14:57,714 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 92 transitions. [2019-10-22 10:14:57,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:14:57,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:57,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 92 states and 91 transitions. [2019-10-22 10:14:57,993 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 91 transitions. [2019-10-22 10:14:57,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:14:57,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:58,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:58,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:58,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 91 states and 90 transitions. [2019-10-22 10:14:58,029 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 90 transitions. [2019-10-22 10:14:58,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:14:58,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:58,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:58,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:58,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 90 states and 89 transitions. [2019-10-22 10:14:58,075 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 89 transitions. [2019-10-22 10:14:58,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:58,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:58,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 89 states and 88 transitions. [2019-10-22 10:14:58,108 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 88 transitions. [2019-10-22 10:14:58,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:58,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:58,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 88 states and 87 transitions. [2019-10-22 10:14:58,150 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 87 transitions. [2019-10-22 10:14:58,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:14:58,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:58,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:58,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:58,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 87 states and 86 transitions. [2019-10-22 10:14:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 86 transitions. [2019-10-22 10:14:58,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:14:58,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:58,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 86 states and 85 transitions. [2019-10-22 10:14:58,529 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 85 transitions. [2019-10-22 10:14:58,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:14:58,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:58,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:58,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:58,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 85 states and 84 transitions. [2019-10-22 10:14:58,559 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 84 transitions. [2019-10-22 10:14:58,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:14:58,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:58,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:58,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 84 states and 83 transitions. [2019-10-22 10:14:58,821 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 83 transitions. [2019-10-22 10:14:58,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:14:58,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:58,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:58,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 83 states and 82 transitions. [2019-10-22 10:14:58,855 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 82 transitions. [2019-10-22 10:14:58,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:14:58,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:58,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:58,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 82 states and 81 transitions. [2019-10-22 10:14:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 81 transitions. [2019-10-22 10:14:58,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:58,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:58,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:58,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:58,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 81 states and 80 transitions. [2019-10-22 10:14:58,939 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 80 transitions. [2019-10-22 10:14:58,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:58,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:58,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:58,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:58,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 80 states and 79 transitions. [2019-10-22 10:14:58,990 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 79 transitions. [2019-10-22 10:14:58,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:14:58,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:59,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:59,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:59,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 79 states and 78 transitions. [2019-10-22 10:14:59,027 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 78 transitions. [2019-10-22 10:14:59,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:14:59,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:59,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:59,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 78 states and 77 transitions. [2019-10-22 10:14:59,469 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 77 transitions. [2019-10-22 10:14:59,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:14:59,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:59,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:59,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 77 states and 76 transitions. [2019-10-22 10:14:59,509 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 76 transitions. [2019-10-22 10:14:59,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:14:59,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:59,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:59,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 76 states and 75 transitions. [2019-10-22 10:14:59,776 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 75 transitions. [2019-10-22 10:14:59,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:14:59,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:59,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:59,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 75 states and 74 transitions. [2019-10-22 10:14:59,821 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 74 transitions. [2019-10-22 10:14:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:14:59,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:59,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 74 states and 73 transitions. [2019-10-22 10:14:59,877 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 73 transitions. [2019-10-22 10:14:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:14:59,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:59,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 73 states and 72 transitions. [2019-10-22 10:14:59,913 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 72 transitions. [2019-10-22 10:14:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:14:59,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:59,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:59,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 72 states and 71 transitions. [2019-10-22 10:14:59,967 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 71 transitions. [2019-10-22 10:14:59,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:14:59,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:00,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 71 states and 70 transitions. [2019-10-22 10:15:00,004 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 70 transitions. [2019-10-22 10:15:00,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:15:00,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:00,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:00,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:00,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 70 states and 69 transitions. [2019-10-22 10:15:00,269 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 69 transitions. [2019-10-22 10:15:00,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:15:00,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:00,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:00,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 69 states and 68 transitions. [2019-10-22 10:15:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 68 transitions. [2019-10-22 10:15:00,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:15:00,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:00,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:00,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:00,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 68 states and 67 transitions. [2019-10-22 10:15:00,644 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 67 transitions. [2019-10-22 10:15:00,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:15:00,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:00,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:00,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 67 states and 66 transitions. [2019-10-22 10:15:00,679 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 66 transitions. [2019-10-22 10:15:00,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:15:00,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:00,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:00,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 66 states and 65 transitions. [2019-10-22 10:15:00,729 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 65 transitions. [2019-10-22 10:15:00,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 10:15:00,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:00,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:00,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:00,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 65 states and 64 transitions. [2019-10-22 10:15:00,761 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 64 transitions. [2019-10-22 10:15:00,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 10:15:00,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:00,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:00,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 64 states and 63 transitions. [2019-10-22 10:15:00,834 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 63 transitions. [2019-10-22 10:15:00,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 10:15:00,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:00,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 63 states and 62 transitions. [2019-10-22 10:15:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 62 transitions. [2019-10-22 10:15:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 10:15:00,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:01,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:01,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 62 states and 61 transitions. [2019-10-22 10:15:01,374 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 61 transitions. [2019-10-22 10:15:01,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:15:01,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:01,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 61 states and 60 transitions. [2019-10-22 10:15:01,412 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 60 transitions. [2019-10-22 10:15:01,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:15:01,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:01,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:01,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 60 states and 59 transitions. [2019-10-22 10:15:01,714 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 59 transitions. [2019-10-22 10:15:01,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:15:01,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:01,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 59 states and 58 transitions. [2019-10-22 10:15:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 58 transitions. [2019-10-22 10:15:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:15:01,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:01,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:01,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 58 states and 57 transitions. [2019-10-22 10:15:01,808 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 57 transitions. [2019-10-22 10:15:01,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 10:15:01,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:01,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:01,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:01,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 57 states and 56 transitions. [2019-10-22 10:15:01,842 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 56 transitions. [2019-10-22 10:15:01,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 10:15:01,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:01,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:01,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 56 states and 55 transitions. [2019-10-22 10:15:01,897 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 55 transitions. [2019-10-22 10:15:01,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:15:01,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:01,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 55 states and 54 transitions. [2019-10-22 10:15:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 54 transitions. [2019-10-22 10:15:01,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:15:01,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:02,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 54 states and 53 transitions. [2019-10-22 10:15:02,414 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 53 transitions. [2019-10-22 10:15:02,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:15:02,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:02,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:02,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:02,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 53 states and 52 transitions. [2019-10-22 10:15:02,484 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 52 transitions. [2019-10-22 10:15:02,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:15:02,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:02,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:02,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 52 states and 51 transitions. [2019-10-22 10:15:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 51 transitions. [2019-10-22 10:15:02,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:15:02,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:02,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 51 states and 50 transitions. [2019-10-22 10:15:02,871 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 50 transitions. [2019-10-22 10:15:02,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:15:02,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:02,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:03,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 50 states and 49 transitions. [2019-10-22 10:15:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 49 transitions. [2019-10-22 10:15:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:15:03,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:03,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 49 states and 48 transitions. [2019-10-22 10:15:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 48 transitions. [2019-10-22 10:15:04,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:15:04,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:04,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 48 states and 47 transitions. [2019-10-22 10:15:04,465 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 47 transitions. [2019-10-22 10:15:04,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:15:04,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:04,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:04,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:04,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 47 states and 46 transitions. [2019-10-22 10:15:04,504 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 46 transitions. [2019-10-22 10:15:04,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:15:04,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:05,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:05,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 46 states and 45 transitions. [2019-10-22 10:15:05,186 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 45 transitions. [2019-10-22 10:15:05,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:15:05,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:05,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:05,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:05,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 45 states and 44 transitions. [2019-10-22 10:15:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 44 transitions. [2019-10-22 10:15:05,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:15:05,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:05,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:05,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 44 states and 43 transitions. [2019-10-22 10:15:05,309 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2019-10-22 10:15:05,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:15:05,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:05,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:05,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:05,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 43 states and 42 transitions. [2019-10-22 10:15:05,708 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2019-10-22 10:15:05,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:15:05,708 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 82 iterations. [2019-10-22 10:15:05,718 INFO L771 CodeCheckObserver]: All specifications hold 81 specifications checked. All of them hold [2019-10-22 10:15:05,934 INFO L575 CodeCheckObserver]: Invariant with dag size 3 [2019-10-22 10:15:05,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:15:05,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:15:05,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:15:05 ImpRootNode [2019-10-22 10:15:05,943 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:15:05,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:15:05,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:15:05,944 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:15:05,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:54" (3/4) ... [2019-10-22 10:15:05,948 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:15:05,961 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2019-10-22 10:15:05,961 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 10:15:05,962 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 10:15:05,991 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2019-10-22 10:15:06,055 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_27b8d4d3-45ff-41c2-9908-21b564fbb45d/bin/ukojak/witness.graphml [2019-10-22 10:15:06,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:15:06,057 INFO L168 Benchmark]: Toolchain (without parser) took 12558.36 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.7 MB). Free memory was 944.7 MB in the beginning and 949.5 MB in the end (delta: -4.7 MB). Peak memory consumption was 324.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:06,058 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:06,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:06,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:06,058 INFO L168 Benchmark]: Boogie Preprocessor took 63.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:06,059 INFO L168 Benchmark]: RCFGBuilder took 830.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:06,059 INFO L168 Benchmark]: CodeCheck took 11123.63 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 972.0 MB in the end (delta: 65.2 MB). Peak memory consumption was 252.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:06,059 INFO L168 Benchmark]: Witness Printer took 112.03 ms. Allocated memory is still 1.4 GB. Free memory was 972.0 MB in the beginning and 949.5 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:06,061 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 124 locations, 81 error locations. Result: SAFE, OverallTime: 10.8s, OverallIterations: 82, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -25224888 SDslu, 0 SDs, 0 SdLazy, -471533746 SolverSat, -1162165142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11289 GetRequests, 10449 SyntacticMatches, 678 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14319 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1762 NumberOfCodeBlocks, 1762 NumberOfCodeBlocksAsserted, 81 NumberOfCheckSat, 1681 ConstructedInterpolants, 0 QuantifiedInterpolants, 340011 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 81 InterpolantComputations, 81 PerfectInterpolantSequences, 0/0 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: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 128]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 81 specifications checked. All of them hold - InvariantResult [Line: 128]: Loop Invariant [2019-10-22 10:15:06,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:15:06,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 830.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. * CodeCheck took 11123.63 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 972.0 MB in the end (delta: 65.2 MB). Peak memory consumption was 252.3 MB. Max. memory is 11.5 GB. * Witness Printer took 112.03 ms. Allocated memory is still 1.4 GB. Free memory was 972.0 MB in the beginning and 949.5 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...