./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label31.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label31.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c11a77ae60398387f07c46b13bc2f8c57513c68 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 06:43:43,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 06:43:43,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 06:43:43,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 06:43:43,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 06:43:43,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 06:43:43,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 06:43:43,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 06:43:43,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 06:43:43,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 06:43:43,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 06:43:43,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 06:43:43,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 06:43:43,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 06:43:43,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 06:43:43,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 06:43:43,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 06:43:43,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 06:43:43,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 06:43:43,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 06:43:43,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 06:43:43,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 06:43:43,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 06:43:43,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 06:43:43,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 06:43:43,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 06:43:43,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 06:43:43,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 06:43:43,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 06:43:43,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 06:43:43,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 06:43:43,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 06:43:43,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 06:43:43,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 06:43:43,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 06:43:43,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 06:43:43,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 06:43:43,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 06:43:43,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 06:43:43,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 06:43:43,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 06:43:43,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 06:43:43,964 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 06:43:43,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 06:43:43,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 06:43:43,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 06:43:43,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 06:43:43,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 06:43:43,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 06:43:43,966 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 06:43:43,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 06:43:43,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 06:43:43,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 06:43:43,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 06:43:43,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 06:43:43,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 06:43:43,966 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 06:43:43,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 06:43:43,966 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 06:43:43,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 06:43:43,967 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 06:43:43,967 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 06:43:43,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 06:43:43,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 06:43:43,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 06:43:43,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 06:43:43,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 06:43:43,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 06:43:43,968 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 06:43:43,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 06:43:43,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 06:43:43,968 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/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c11a77ae60398387f07c46b13bc2f8c57513c68 [2019-12-02 06:43:44,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 06:43:44,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 06:43:44,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 06:43:44,084 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 06:43:44,085 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 06:43:44,085 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label31.c [2019-12-02 06:43:44,133 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/bin/ukojak/data/dc34e2e19/33ebab4abc4c4df28824805c2fde2eac/FLAG75ffbba74 [2019-12-02 06:43:44,613 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 06:43:44,614 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/sv-benchmarks/c/eca-rers2012/Problem01_label31.c [2019-12-02 06:43:44,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/bin/ukojak/data/dc34e2e19/33ebab4abc4c4df28824805c2fde2eac/FLAG75ffbba74 [2019-12-02 06:43:45,109 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/bin/ukojak/data/dc34e2e19/33ebab4abc4c4df28824805c2fde2eac [2019-12-02 06:43:45,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 06:43:45,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 06:43:45,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 06:43:45,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 06:43:45,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 06:43:45,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:43:45" (1/1) ... [2019-12-02 06:43:45,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d2714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:45, skipping insertion in model container [2019-12-02 06:43:45,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:43:45" (1/1) ... [2019-12-02 06:43:45,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 06:43:45,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 06:43:45,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:43:45,418 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 06:43:45,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:43:45,482 INFO L208 MainTranslator]: Completed translation [2019-12-02 06:43:45,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:45 WrapperNode [2019-12-02 06:43:45,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 06:43:45,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 06:43:45,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 06:43:45,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 06:43:45,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:45" (1/1) ... [2019-12-02 06:43:45,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:45" (1/1) ... [2019-12-02 06:43:45,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 06:43:45,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 06:43:45,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 06:43:45,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 06:43:45,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:45" (1/1) ... [2019-12-02 06:43:45,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:45" (1/1) ... [2019-12-02 06:43:45,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:45" (1/1) ... [2019-12-02 06:43:45,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:45" (1/1) ... [2019-12-02 06:43:45,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:45" (1/1) ... [2019-12-02 06:43:45,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:45" (1/1) ... [2019-12-02 06:43:45,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:45" (1/1) ... [2019-12-02 06:43:45,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 06:43:45,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 06:43:45,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 06:43:45,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 06:43:45,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/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 [2019-12-02 06:43:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 06:43:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 06:43:46,704 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 06:43:46,704 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-02 06:43:46,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:46 BoogieIcfgContainer [2019-12-02 06:43:46,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 06:43:46,706 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 06:43:46,706 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 06:43:46,713 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 06:43:46,713 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:46" (1/1) ... [2019-12-02 06:43:46,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 06:43:46,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:46,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-12-02 06:43:46,747 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-12-02 06:43:46,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-02 06:43:46,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:46,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:43:47,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:47,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 231 transitions. [2019-12-02 06:43:47,276 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 231 transitions. [2019-12-02 06:43:47,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-02 06:43:47,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:43:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:47,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 215 states and 304 transitions. [2019-12-02 06:43:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 304 transitions. [2019-12-02 06:43:47,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-02 06:43:47,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 06:43:47,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:47,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 216 states and 305 transitions. [2019-12-02 06:43:47,878 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 305 transitions. [2019-12-02 06:43:47,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-02 06:43:47,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:43:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 231 states and 323 transitions. [2019-12-02 06:43:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 323 transitions. [2019-12-02 06:43:48,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-02 06:43:48,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:48,066 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-02 06:43:48,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:48,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 232 states and 325 transitions. [2019-12-02 06:43:48,172 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 325 transitions. [2019-12-02 06:43:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-12-02 06:43:48,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:43:48,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:48,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 252 states and 350 transitions. [2019-12-02 06:43:48,486 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 350 transitions. [2019-12-02 06:43:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-02 06:43:48,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:48,512 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 06:43:48,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:48,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 253 states and 351 transitions. [2019-12-02 06:43:48,625 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 351 transitions. [2019-12-02 06:43:48,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-12-02 06:43:48,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:48,662 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-02 06:43:48,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:48,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 254 states and 353 transitions. [2019-12-02 06:43:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 353 transitions. [2019-12-02 06:43:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-12-02 06:43:48,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:48,842 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:43:49,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:49,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 280 states and 386 transitions. [2019-12-02 06:43:49,320 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 386 transitions. [2019-12-02 06:43:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-02 06:43:49,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:49,343 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 06:43:49,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 285 states and 394 transitions. [2019-12-02 06:43:49,477 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 394 transitions. [2019-12-02 06:43:49,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-02 06:43:49,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-02 06:43:49,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:49,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 299 states and 415 transitions. [2019-12-02 06:43:49,901 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 415 transitions. [2019-12-02 06:43:49,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-02 06:43:49,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:43:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 302 states and 418 transitions. [2019-12-02 06:43:50,018 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 418 transitions. [2019-12-02 06:43:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-02 06:43:50,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:50,051 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 06:43:50,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 308 states and 425 transitions. [2019-12-02 06:43:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 425 transitions. [2019-12-02 06:43:50,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-02 06:43:50,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 06:43:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:50,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 313 states and 429 transitions. [2019-12-02 06:43:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 429 transitions. [2019-12-02 06:43:50,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-02 06:43:50,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:50,355 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-02 06:43:50,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:50,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 322 states and 445 transitions. [2019-12-02 06:43:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 445 transitions. [2019-12-02 06:43:50,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-12-02 06:43:50,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:50,770 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:43:50,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:50,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 336 states and 459 transitions. [2019-12-02 06:43:50,830 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 459 transitions. [2019-12-02 06:43:50,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-12-02 06:43:50,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-02 06:43:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 350 states and 479 transitions. [2019-12-02 06:43:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 479 transitions. [2019-12-02 06:43:51,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-12-02 06:43:51,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-12-02 06:43:51,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 362 states and 494 transitions. [2019-12-02 06:43:51,924 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 494 transitions. [2019-12-02 06:43:51,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-02 06:43:51,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:43:52,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:52,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 387 states and 520 transitions. [2019-12-02 06:43:52,145 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 520 transitions. [2019-12-02 06:43:52,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-02 06:43:52,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-02 06:43:52,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:52,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 388 states and 525 transitions. [2019-12-02 06:43:52,478 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 525 transitions. [2019-12-02 06:43:52,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-12-02 06:43:52,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:52,504 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 06:43:52,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:52,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 402 states and 540 transitions. [2019-12-02 06:43:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 540 transitions. [2019-12-02 06:43:52,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-12-02 06:43:52,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:52,592 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:43:52,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:52,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 409 states and 548 transitions. [2019-12-02 06:43:52,631 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 548 transitions. [2019-12-02 06:43:52,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-02 06:43:52,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:43:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:53,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 454 states and 603 transitions. [2019-12-02 06:43:53,476 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 603 transitions. [2019-12-02 06:43:53,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-02 06:43:53,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:53,504 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:43:54,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:54,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 494 states and 648 transitions. [2019-12-02 06:43:54,008 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 648 transitions. [2019-12-02 06:43:54,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-02 06:43:54,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:43:54,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 495 states and 648 transitions. [2019-12-02 06:43:54,170 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 648 transitions. [2019-12-02 06:43:54,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-12-02 06:43:54,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:54,190 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-12-02 06:43:54,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:54,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 506 states and 660 transitions. [2019-12-02 06:43:54,312 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 660 transitions. [2019-12-02 06:43:54,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-12-02 06:43:54,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:54,347 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 06:43:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:54,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 513 states and 669 transitions. [2019-12-02 06:43:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 669 transitions. [2019-12-02 06:43:54,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-12-02 06:43:54,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 06:43:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 538 states and 695 transitions. [2019-12-02 06:43:55,003 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 695 transitions. [2019-12-02 06:43:55,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-12-02 06:43:55,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-02 06:43:55,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:55,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 563 states and 723 transitions. [2019-12-02 06:43:55,677 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 723 transitions. [2019-12-02 06:43:55,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-02 06:43:55,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:55,970 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-12-02 06:43:56,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:56,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 575 states and 739 transitions. [2019-12-02 06:43:56,861 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 739 transitions. [2019-12-02 06:43:56,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-02 06:43:56,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-12-02 06:43:57,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 578 states and 744 transitions. [2019-12-02 06:43:57,095 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 744 transitions. [2019-12-02 06:43:57,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-02 06:43:57,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-12-02 06:43:57,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:43:57,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 604 states and 774 transitions. [2019-12-02 06:43:57,883 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 774 transitions. [2019-12-02 06:43:57,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-12-02 06:43:57,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:43:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:43:58,267 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:44:00,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:00,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 669 states and 843 transitions. [2019-12-02 06:44:00,154 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 843 transitions. [2019-12-02 06:44:00,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-02 06:44:00,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:00,894 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:44:02,336 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-12-02 06:44:05,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 726 states and 905 transitions. [2019-12-02 06:44:05,252 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 905 transitions. [2019-12-02 06:44:05,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-02 06:44:05,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:05,757 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:44:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 795 states and 985 transitions. [2019-12-02 06:44:08,076 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 985 transitions. [2019-12-02 06:44:08,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-02 06:44:08,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:08,125 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-02 06:44:08,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:08,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 796 states and 986 transitions. [2019-12-02 06:44:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 986 transitions. [2019-12-02 06:44:08,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-12-02 06:44:08,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:08,474 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:44:09,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:09,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 842 states and 1033 transitions. [2019-12-02 06:44:09,994 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1033 transitions. [2019-12-02 06:44:09,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-12-02 06:44:09,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:10,050 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:44:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:10,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 848 states and 1041 transitions. [2019-12-02 06:44:10,531 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1041 transitions. [2019-12-02 06:44:10,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-02 06:44:10,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:10,784 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 106 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-02 06:44:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:11,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 859 states and 1059 transitions. [2019-12-02 06:44:11,888 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1059 transitions. [2019-12-02 06:44:11,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-02 06:44:11,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:44:13,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:13,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 909 states and 1110 transitions. [2019-12-02 06:44:13,733 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1110 transitions. [2019-12-02 06:44:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-02 06:44:13,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:13,814 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:44:14,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 930 states and 1130 transitions. [2019-12-02 06:44:14,042 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1130 transitions. [2019-12-02 06:44:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-12-02 06:44:14,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-02 06:44:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 931 states and 1134 transitions. [2019-12-02 06:44:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1134 transitions. [2019-12-02 06:44:14,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-12-02 06:44:14,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-02 06:44:14,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:14,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 933 states and 1137 transitions. [2019-12-02 06:44:14,584 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1137 transitions. [2019-12-02 06:44:14,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-02 06:44:14,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:14,789 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-12-02 06:44:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 943 states and 1152 transitions. [2019-12-02 06:44:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1152 transitions. [2019-12-02 06:44:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-02 06:44:15,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 155 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-02 06:44:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:17,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 957 states and 1167 transitions. [2019-12-02 06:44:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1167 transitions. [2019-12-02 06:44:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-12-02 06:44:17,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:17,303 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-02 06:44:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 959 states and 1171 transitions. [2019-12-02 06:44:17,678 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1171 transitions. [2019-12-02 06:44:17,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-12-02 06:44:17,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-02 06:44:18,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:18,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 960 states and 1174 transitions. [2019-12-02 06:44:18,018 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1174 transitions. [2019-12-02 06:44:18,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-12-02 06:44:18,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:18,727 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:44:22,258 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-12-02 06:44:23,399 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-12-02 06:44:27,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:27,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1029 states and 1254 transitions. [2019-12-02 06:44:27,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1254 transitions. [2019-12-02 06:44:27,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-12-02 06:44:27,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:27,827 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:44:29,154 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2019-12-02 06:44:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1057 states and 1287 transitions. [2019-12-02 06:44:30,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1287 transitions. [2019-12-02 06:44:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-12-02 06:44:30,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:30,581 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:44:31,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:31,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1067 states and 1297 transitions. [2019-12-02 06:44:31,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1297 transitions. [2019-12-02 06:44:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-02 06:44:31,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 110 proven. 69 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 06:44:34,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1109 states and 1348 transitions. [2019-12-02 06:44:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1348 transitions. [2019-12-02 06:44:34,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-02 06:44:34,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:35,132 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-02 06:44:37,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:37,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1118 states and 1365 transitions. [2019-12-02 06:44:37,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1365 transitions. [2019-12-02 06:44:37,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-02 06:44:37,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:39,102 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 06:44:42,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:42,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1166 states and 1419 transitions. [2019-12-02 06:44:42,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1419 transitions. [2019-12-02 06:44:42,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-02 06:44:42,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 06:44:43,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:43,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1176 states and 1428 transitions. [2019-12-02 06:44:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1428 transitions. [2019-12-02 06:44:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-12-02 06:44:43,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:43,768 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-12-02 06:44:44,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1179 states and 1433 transitions. [2019-12-02 06:44:44,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1433 transitions. [2019-12-02 06:44:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-12-02 06:44:44,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:44,415 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-12-02 06:44:44,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:44,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1180 states and 1434 transitions. [2019-12-02 06:44:44,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1434 transitions. [2019-12-02 06:44:44,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-12-02 06:44:44,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 233 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-12-02 06:44:45,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:45,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1183 states and 1436 transitions. [2019-12-02 06:44:45,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1436 transitions. [2019-12-02 06:44:45,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-02 06:44:45,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:44:49,203 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2019-12-02 06:44:51,596 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2019-12-02 06:44:52,891 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-12-02 06:44:57,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:57,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1252 states and 1517 transitions. [2019-12-02 06:44:57,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1517 transitions. [2019-12-02 06:44:57,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-02 06:44:57,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:44:57,750 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:44:59,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:44:59,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1268 states and 1535 transitions. [2019-12-02 06:44:59,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1535 transitions. [2019-12-02 06:44:59,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-02 06:44:59,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:44:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 124 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-12-02 06:45:00,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1270 states and 1538 transitions. [2019-12-02 06:45:00,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1538 transitions. [2019-12-02 06:45:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-02 06:45:00,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:00,764 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-02 06:45:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:01,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1295 states and 1569 transitions. [2019-12-02 06:45:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1569 transitions. [2019-12-02 06:45:01,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-02 06:45:01,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:01,709 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-02 06:45:02,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:02,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1334 states and 1614 transitions. [2019-12-02 06:45:02,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1614 transitions. [2019-12-02 06:45:02,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-02 06:45:02,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-02 06:45:03,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:03,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1350 states and 1630 transitions. [2019-12-02 06:45:03,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1630 transitions. [2019-12-02 06:45:03,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-02 06:45:03,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:04,028 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2019-12-02 06:45:07,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:07,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1375 states and 1658 transitions. [2019-12-02 06:45:07,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1658 transitions. [2019-12-02 06:45:07,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-02 06:45:07,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 06:45:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:10,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1379 states and 1662 transitions. [2019-12-02 06:45:10,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1662 transitions. [2019-12-02 06:45:10,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-02 06:45:10,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:10,430 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-12-02 06:45:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:11,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1449 states and 1735 transitions. [2019-12-02 06:45:11,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1735 transitions. [2019-12-02 06:45:11,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-02 06:45:11,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:11,179 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2019-12-02 06:45:11,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:11,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1450 states and 1735 transitions. [2019-12-02 06:45:11,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1735 transitions. [2019-12-02 06:45:11,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-02 06:45:11,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 240 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 06:45:14,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:14,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1486 states and 1783 transitions. [2019-12-02 06:45:14,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1783 transitions. [2019-12-02 06:45:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-12-02 06:45:14,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:16,279 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-02 06:45:20,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:20,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1546 states and 1843 transitions. [2019-12-02 06:45:20,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 1843 transitions. [2019-12-02 06:45:20,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-12-02 06:45:20,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:21,558 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-02 06:45:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1576 states and 1884 transitions. [2019-12-02 06:45:26,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1884 transitions. [2019-12-02 06:45:26,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-02 06:45:26,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 239 proven. 18 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-02 06:45:36,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:36,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1586 states and 1898 transitions. [2019-12-02 06:45:36,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1898 transitions. [2019-12-02 06:45:36,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-12-02 06:45:36,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 44 proven. 227 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-02 06:45:48,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:48,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 1692 states and 2019 transitions. [2019-12-02 06:45:48,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2019 transitions. [2019-12-02 06:45:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-02 06:45:48,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:48,924 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-02 06:45:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:49,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 1695 states and 2024 transitions. [2019-12-02 06:45:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2024 transitions. [2019-12-02 06:45:49,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-02 06:45:49,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:50,132 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-02 06:45:50,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 1698 states and 2029 transitions. [2019-12-02 06:45:50,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2029 transitions. [2019-12-02 06:45:50,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-02 06:45:50,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:50,988 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-02 06:45:53,307 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-12-02 06:45:54,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:54,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 1712 states and 2044 transitions. [2019-12-02 06:45:54,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2044 transitions. [2019-12-02 06:45:54,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-02 06:45:54,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:54,879 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-02 06:45:55,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:45:55,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 1713 states and 2047 transitions. [2019-12-02 06:45:55,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2047 transitions. [2019-12-02 06:45:55,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-12-02 06:45:55,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:45:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:45:56,727 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2019-12-02 06:45:58,078 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-12-02 06:46:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:46:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 1745 states and 2080 transitions. [2019-12-02 06:46:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2080 transitions. [2019-12-02 06:46:01,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-02 06:46:01,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:46:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:46:04,664 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-02 06:46:06,856 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-12-02 06:46:07,288 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2019-12-02 06:46:09,325 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2019-12-02 06:46:13,644 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2019-12-02 06:46:14,880 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-12-02 06:46:16,306 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2019-12-02 06:46:17,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:46:17,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 1773 states and 2114 transitions. [2019-12-02 06:46:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2114 transitions. [2019-12-02 06:46:17,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-02 06:46:17,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:46:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:46:17,931 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-02 06:46:18,737 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2019-12-02 06:46:19,182 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-12-02 06:46:20,049 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-02 06:46:20,841 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-12-02 06:46:23,845 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2019-12-02 06:46:24,959 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-12-02 06:46:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:46:27,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1801 states and 2146 transitions. [2019-12-02 06:46:27,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2146 transitions. [2019-12-02 06:46:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-12-02 06:46:27,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:46:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:46:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-02 06:46:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:46:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 1802 states and 2148 transitions. [2019-12-02 06:46:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2148 transitions. [2019-12-02 06:46:34,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-12-02 06:46:34,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:46:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:46:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-02 06:46:39,205 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2019-12-02 06:46:42,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:46:42,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1853 states and 2201 transitions. [2019-12-02 06:46:42,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2201 transitions. [2019-12-02 06:46:42,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-12-02 06:46:42,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:46:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:46:43,797 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-02 06:46:53,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:46:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2326 states to 1958 states and 2326 transitions. [2019-12-02 06:46:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 2326 transitions. [2019-12-02 06:46:53,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-12-02 06:46:53,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:46:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:46:54,161 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-02 06:46:54,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:46:54,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 1960 states and 2328 transitions. [2019-12-02 06:46:54,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2328 transitions. [2019-12-02 06:46:54,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-12-02 06:46:54,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:46:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:46:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-02 06:46:59,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:46:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2035 states and 2407 transitions. [2019-12-02 06:46:59,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2407 transitions. [2019-12-02 06:46:59,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-12-02 06:46:59,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:46:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:46:59,333 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 299 proven. 101 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-12-02 06:47:00,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:47:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 2057 states and 2430 transitions. [2019-12-02 06:47:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 2430 transitions. [2019-12-02 06:47:00,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-12-02 06:47:00,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:47:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:47:01,810 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 373 proven. 13 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-02 06:47:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:47:05,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2062 states and 2434 transitions. [2019-12-02 06:47:05,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2434 transitions. [2019-12-02 06:47:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-02 06:47:05,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:47:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:47:05,654 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 377 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2019-12-02 06:47:09,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:47:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2089 states and 2470 transitions. [2019-12-02 06:47:09,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2470 transitions. [2019-12-02 06:47:09,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-02 06:47:09,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:47:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:47:09,678 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 377 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2019-12-02 06:47:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:47:10,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2094 states and 2476 transitions. [2019-12-02 06:47:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 2476 transitions. [2019-12-02 06:47:10,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2019-12-02 06:47:10,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:47:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:47:10,651 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2019-12-02 06:47:13,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:47:13,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2115 states and 2498 transitions. [2019-12-02 06:47:13,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2498 transitions. [2019-12-02 06:47:13,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-02 06:47:13,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:47:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:47:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-02 06:47:16,115 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2019-12-02 06:47:17,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:47:17,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2116 states and 2501 transitions. [2019-12-02 06:47:17,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2501 transitions. [2019-12-02 06:47:17,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-02 06:47:17,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:47:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:47:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-02 06:47:18,511 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2019-12-02 06:47:18,958 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-12-02 06:47:20,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:47:20,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2119 states and 2504 transitions. [2019-12-02 06:47:20,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2504 transitions. [2019-12-02 06:47:20,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-02 06:47:20,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:47:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:47:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-02 06:47:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:47:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2122 states and 2507 transitions. [2019-12-02 06:47:22,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 2507 transitions. [2019-12-02 06:47:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-12-02 06:47:22,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:47:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:47:23,544 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 502 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-02 06:47:26,827 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-12-02 06:47:28,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:47:28,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2216 states and 2609 transitions. [2019-12-02 06:47:28,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2609 transitions. [2019-12-02 06:47:28,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-12-02 06:47:28,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:47:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:47:29,041 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 390 proven. 128 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-12-02 06:47:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:47:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2610 states to 2217 states and 2610 transitions. [2019-12-02 06:47:30,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2610 transitions. [2019-12-02 06:47:30,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-12-02 06:47:30,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:47:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:47:33,110 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-02 06:47:46,208 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-12-02 06:47:48,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:47:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2308 states and 2710 transitions. [2019-12-02 06:47:48,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2710 transitions. [2019-12-02 06:47:48,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-12-02 06:47:48,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:47:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:47:48,888 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-12-02 06:47:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:47:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2234 states and 2643 transitions. [2019-12-02 06:47:58,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 2643 transitions. [2019-12-02 06:47:58,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 06:47:58,310 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 97 iterations. [2019-12-02 06:47:58,316 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 06:47:58,470 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 39 [2019-12-02 06:47:58,621 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 39 [2019-12-02 06:47:58,816 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 44 [2019-12-02 06:47:58,957 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 39 [2019-12-02 06:47:59,145 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 42 [2019-12-02 06:47:59,412 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 41 [2019-12-02 06:47:59,643 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 35 [2019-12-02 06:47:59,855 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 44 [2019-12-02 06:48:00,061 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 44 [2019-12-02 06:48:00,331 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 35 [2019-12-02 06:48:00,599 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 41 [2019-12-02 06:48:00,816 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 44 [2019-12-02 06:48:01,171 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 44 [2019-12-02 06:48:01,375 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 44 [2019-12-02 06:48:01,712 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 40 [2019-12-02 06:48:02,074 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 44 [2019-12-02 06:48:02,211 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 39 [2019-12-02 06:48:02,400 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 42 [2019-12-02 06:48:02,574 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 41 [2019-12-02 06:48:02,681 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 29 [2019-12-02 06:48:02,815 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 39 [2019-12-02 06:48:02,938 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 36 [2019-12-02 06:48:03,060 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 36 [2019-12-02 06:48:03,295 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 39 [2019-12-02 06:48:03,505 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 39 [2019-12-02 06:48:03,630 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 36 [2019-12-02 06:48:03,824 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 36 [2019-12-02 06:48:04,003 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 41 [2019-12-02 06:48:04,310 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 44 [2019-12-02 06:48:04,512 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 36 [2019-12-02 06:48:04,679 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 41 [2019-12-02 06:48:04,932 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 41 [2019-12-02 06:48:05,104 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 41 [2019-12-02 06:48:05,213 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 36 [2019-12-02 06:48:05,453 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 39 [2019-12-02 06:48:05,681 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 35 [2019-12-02 06:48:05,895 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 39 [2019-12-02 06:48:06,021 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 36 [2019-12-02 06:48:06,174 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2019-12-02 06:48:06,390 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 39 [2019-12-02 06:48:06,590 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 44 [2019-12-02 06:48:07,138 WARN L192 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 75 [2019-12-02 06:48:07,466 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 39 [2019-12-02 06:48:07,618 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 39 [2019-12-02 06:48:07,819 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 42 [2019-12-02 06:48:08,109 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 42 [2019-12-02 06:48:08,290 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 42 [2019-12-02 06:48:08,457 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 41 [2019-12-02 06:48:08,816 WARN L192 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 56 [2019-12-02 06:48:08,817 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:48:08,819 INFO L569 CodeCheckObserver]: Invariant with dag size 35 [2019-12-02 06:48:08,826 INFO L569 CodeCheckObserver]: Invariant with dag size 35 [2019-12-02 06:48:08,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:48:08 ImpRootNode [2019-12-02 06:48:08,827 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 06:48:08,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 06:48:08,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 06:48:08,828 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 06:48:08,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:46" (3/4) ... [2019-12-02 06:48:08,830 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 06:48:08,845 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2019-12-02 06:48:08,846 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-02 06:48:08,847 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-02 06:48:08,927 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9c5b0b8a-f444-4776-bcc6-1c7a8af47046/bin/ukojak/witness.graphml [2019-12-02 06:48:08,927 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 06:48:08,928 INFO L168 Benchmark]: Toolchain (without parser) took 263816.05 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 478.2 MB). Free memory was 937.2 MB in the beginning and 888.8 MB in the end (delta: 48.3 MB). Peak memory consumption was 526.5 MB. Max. memory is 11.5 GB. [2019-12-02 06:48:08,928 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:48:08,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -123.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-12-02 06:48:08,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.78 ms. Allocated memory is still 1.1 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. [2019-12-02 06:48:08,929 INFO L168 Benchmark]: Boogie Preprocessor took 53.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 06:48:08,929 INFO L168 Benchmark]: RCFGBuilder took 1116.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 843.4 MB in the end (delta: 206.2 MB). Peak memory consumption was 206.2 MB. Max. memory is 11.5 GB. [2019-12-02 06:48:08,930 INFO L168 Benchmark]: CodeCheck took 262121.81 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 389.5 MB). Free memory was 843.4 MB in the beginning and 906.0 MB in the end (delta: -62.6 MB). Peak memory consumption was 610.1 MB. Max. memory is 11.5 GB. [2019-12-02 06:48:08,930 INFO L168 Benchmark]: Witness Printer took 99.21 ms. Allocated memory is still 1.5 GB. Free memory was 906.0 MB in the beginning and 888.8 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-12-02 06:48:08,931 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, 76 locations, 1 error locations. Result: SAFE, OverallTime: 251.5s, OverallIterations: 97, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1662798584 SDtfs, -671024522 SDslu, 156213648 SDs, 0 SdLazy, 449858478 SolverSat, 194175500 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 412.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116033 GetRequests, 111123 SyntacticMatches, 3546 SemanticMatches, 1364 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1434925 ImplicationChecksByTransitivity, 225.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 31.1s InterpolantComputationTime, 17591 NumberOfCodeBlocks, 17591 NumberOfCodeBlocksAsserted, 96 NumberOfCheckSat, 17495 ConstructedInterpolants, 0 QuantifiedInterpolants, 26111748 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 96 InterpolantComputations, 74 PerfectInterpolantSequences, 19629/20422 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: 452]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((a16 == 4 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && 14 == a8) || (((((a16 == 4 && a12 == 8) && a17 <= 0) && a21 == 1) && 15 == a8) && a20 <= 0)) || !(1 == a7)) || a20 == 1) || (((((!(a21 == 1) && 13 == a8) && a16 == 4) && a17 == 1) && a12 == 8) && a20 <= 0)) || (((((a12 == 8 && a17 <= 0) && a21 == 1) && 15 == a8) && a20 <= 0) && a16 == 5)) || (((((a12 == 8 && a17 <= 0) && a21 == 1) && a20 <= 0) && 14 == a8) && a16 == 5) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((a16 == 4 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && 14 == a8) || (((((a16 == 4 && a12 == 8) && a17 <= 0) && a21 == 1) && 15 == a8) && a20 <= 0)) || !(1 == a7)) || a20 == 1) || (((((!(a21 == 1) && 13 == a8) && a16 == 4) && a17 == 1) && a12 == 8) && a20 <= 0)) || (((((a12 == 8 && a17 <= 0) && a21 == 1) && 15 == a8) && a20 <= 0) && a16 == 5)) || (((((a12 == 8 && a17 <= 0) && a21 == 1) && a20 <= 0) && 14 == a8) && a16 == 5) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -123.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.78 ms. Allocated memory is still 1.1 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 53.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1116.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 843.4 MB in the end (delta: 206.2 MB). Peak memory consumption was 206.2 MB. Max. memory is 11.5 GB. * CodeCheck took 262121.81 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 389.5 MB). Free memory was 843.4 MB in the beginning and 906.0 MB in the end (delta: -62.6 MB). Peak memory consumption was 610.1 MB. Max. memory is 11.5 GB. * Witness Printer took 99.21 ms. Allocated memory is still 1.5 GB. Free memory was 906.0 MB in the beginning and 888.8 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...