./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label25.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_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label25.c -s /tmp/vcloud-vcloud-master/worker/run_dir_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/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 ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 21:43:45,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 21:43:45,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 21:43:45,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 21:43:45,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 21:43:45,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 21:43:45,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 21:43:45,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 21:43:45,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 21:43:45,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 21:43:45,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 21:43:45,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 21:43:45,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 21:43:45,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 21:43:45,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 21:43:45,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 21:43:45,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 21:43:45,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 21:43:45,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 21:43:45,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 21:43:45,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 21:43:45,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 21:43:45,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 21:43:45,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 21:43:45,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 21:43:45,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 21:43:45,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 21:43:45,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 21:43:45,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 21:43:45,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 21:43:45,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 21:43:45,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 21:43:45,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 21:43:45,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 21:43:45,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 21:43:45,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 21:43:45,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 21:43:45,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 21:43:45,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 21:43:45,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 21:43:45,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 21:43:45,695 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 21:43:45,707 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 21:43:45,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 21:43:45,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 21:43:45,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 21:43:45,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 21:43:45,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 21:43:45,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 21:43:45,710 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 21:43:45,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 21:43:45,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 21:43:45,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 21:43:45,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 21:43:45,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 21:43:45,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 21:43:45,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 21:43:45,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 21:43:45,711 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 21:43:45,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 21:43:45,712 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 21:43:45,712 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 21:43:45,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 21:43:45,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 21:43:45,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 21:43:45,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 21:43:45,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 21:43:45,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 21:43:45,713 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 21:43:45,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 21:43:45,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 21:43:45,714 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_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/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 -> ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 [2019-12-01 21:43:45,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 21:43:45,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 21:43:45,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 21:43:45,827 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 21:43:45,827 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 21:43:45,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label25.c [2019-12-01 21:43:45,867 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/bin/ukojak/data/ed73588cc/32b9180d6deb4283ad84ed8849847585/FLAGbaed03717 [2019-12-01 21:43:46,337 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 21:43:46,338 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/sv-benchmarks/c/eca-rers2012/Problem02_label25.c [2019-12-01 21:43:46,346 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/bin/ukojak/data/ed73588cc/32b9180d6deb4283ad84ed8849847585/FLAGbaed03717 [2019-12-01 21:43:46,355 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/bin/ukojak/data/ed73588cc/32b9180d6deb4283ad84ed8849847585 [2019-12-01 21:43:46,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 21:43:46,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 21:43:46,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 21:43:46,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 21:43:46,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 21:43:46,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:43:46" (1/1) ... [2019-12-01 21:43:46,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad9a0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:46, skipping insertion in model container [2019-12-01 21:43:46,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:43:46" (1/1) ... [2019-12-01 21:43:46,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 21:43:46,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 21:43:46,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:43:46,645 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 21:43:46,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:43:46,706 INFO L208 MainTranslator]: Completed translation [2019-12-01 21:43:46,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:46 WrapperNode [2019-12-01 21:43:46,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 21:43:46,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 21:43:46,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 21:43:46,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 21:43:46,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:46" (1/1) ... [2019-12-01 21:43:46,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:46" (1/1) ... [2019-12-01 21:43:46,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 21:43:46,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 21:43:46,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 21:43:46,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 21:43:46,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:46" (1/1) ... [2019-12-01 21:43:46,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:46" (1/1) ... [2019-12-01 21:43:46,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:46" (1/1) ... [2019-12-01 21:43:46,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:46" (1/1) ... [2019-12-01 21:43:46,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:46" (1/1) ... [2019-12-01 21:43:46,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:46" (1/1) ... [2019-12-01 21:43:46,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:46" (1/1) ... [2019-12-01 21:43:46,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 21:43:46,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 21:43:46,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 21:43:46,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 21:43:46,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/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 [2019-12-01 21:43:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 21:43:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 21:43:47,972 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 21:43:47,972 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 21:43:47,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:43:47 BoogieIcfgContainer [2019-12-01 21:43:47,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 21:43:47,973 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 21:43:47,973 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 21:43:47,980 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 21:43:47,980 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:43:47" (1/1) ... [2019-12-01 21:43:47,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 21:43:48,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:48,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2019-12-01 21:43:48,012 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2019-12-01 21:43:48,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 21:43:48,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:48,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:48,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:48,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2019-12-01 21:43:48,577 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2019-12-01 21:43:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 21:43:48,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 21:43:48,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 164 states and 242 transitions. [2019-12-01 21:43:48,739 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 242 transitions. [2019-12-01 21:43:48,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-12-01 21:43:48,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:48,794 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:48,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:48,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2019-12-01 21:43:48,935 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2019-12-01 21:43:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 21:43:48,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:48,996 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:49,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2019-12-01 21:43:49,371 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2019-12-01 21:43:49,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 21:43:49,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:49,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:49,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 220 states and 320 transitions. [2019-12-01 21:43:49,689 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 320 transitions. [2019-12-01 21:43:49,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 21:43:49,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:49,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:49,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 224 states and 325 transitions. [2019-12-01 21:43:49,877 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 325 transitions. [2019-12-01 21:43:49,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 21:43:49,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 21:43:50,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:50,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 242 states and 345 transitions. [2019-12-01 21:43:50,260 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 345 transitions. [2019-12-01 21:43:50,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 21:43:50,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:50,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:50,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 246 states and 349 transitions. [2019-12-01 21:43:50,314 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 349 transitions. [2019-12-01 21:43:50,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 21:43:50,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:43:50,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 247 states and 351 transitions. [2019-12-01 21:43:50,451 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 351 transitions. [2019-12-01 21:43:50,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 21:43:50,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:43:50,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:50,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 250 states and 354 transitions. [2019-12-01 21:43:50,576 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 354 transitions. [2019-12-01 21:43:50,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 21:43:50,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:50,672 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 21:43:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:51,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 329 states and 438 transitions. [2019-12-01 21:43:51,119 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 438 transitions. [2019-12-01 21:43:51,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 21:43:51,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:51,141 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 21:43:51,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 345 states and 458 transitions. [2019-12-01 21:43:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 458 transitions. [2019-12-01 21:43:51,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 21:43:51,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:51,342 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 21:43:51,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:51,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 347 states and 459 transitions. [2019-12-01 21:43:51,436 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 459 transitions. [2019-12-01 21:43:51,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 21:43:51,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:51,502 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:52,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:52,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 377 states and 497 transitions. [2019-12-01 21:43:52,065 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 497 transitions. [2019-12-01 21:43:52,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-01 21:43:52,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:53,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:53,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 407 states and 532 transitions. [2019-12-01 21:43:53,070 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 532 transitions. [2019-12-01 21:43:53,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-01 21:43:53,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:53,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:53,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 410 states and 535 transitions. [2019-12-01 21:43:53,219 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 535 transitions. [2019-12-01 21:43:53,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-12-01 21:43:53,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:53,241 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:53,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:53,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 423 states and 549 transitions. [2019-12-01 21:43:53,336 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 549 transitions. [2019-12-01 21:43:53,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-12-01 21:43:53,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:53,359 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:53,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 442 states and 571 transitions. [2019-12-01 21:43:53,583 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 571 transitions. [2019-12-01 21:43:53,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-01 21:43:53,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:53,607 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:43:53,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 446 states and 574 transitions. [2019-12-01 21:43:53,684 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 574 transitions. [2019-12-01 21:43:53,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-12-01 21:43:53,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 21:43:53,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 451 states and 578 transitions. [2019-12-01 21:43:53,761 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 578 transitions. [2019-12-01 21:43:53,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-12-01 21:43:53,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:53,882 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:43:54,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:54,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 453 states and 581 transitions. [2019-12-01 21:43:54,112 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 581 transitions. [2019-12-01 21:43:54,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 21:43:54,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:43:54,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:54,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 467 states and 596 transitions. [2019-12-01 21:43:54,628 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 596 transitions. [2019-12-01 21:43:54,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-01 21:43:54,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 471 states and 601 transitions. [2019-12-01 21:43:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 601 transitions. [2019-12-01 21:43:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 21:43:54,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:43:56,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:56,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 511 states and 652 transitions. [2019-12-01 21:43:56,325 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 652 transitions. [2019-12-01 21:43:56,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-01 21:43:56,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:56,368 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:56,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:56,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 530 states and 671 transitions. [2019-12-01 21:43:56,442 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 671 transitions. [2019-12-01 21:43:56,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 21:43:56,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:56,472 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 21:43:56,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:56,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 535 states and 676 transitions. [2019-12-01 21:43:56,604 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 676 transitions. [2019-12-01 21:43:56,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 21:43:56,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:56,646 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:56,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:56,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 537 states and 678 transitions. [2019-12-01 21:43:56,665 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 678 transitions. [2019-12-01 21:43:56,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-12-01 21:43:56,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 21:43:56,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:56,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 538 states and 679 transitions. [2019-12-01 21:43:56,706 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 679 transitions. [2019-12-01 21:43:56,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-01 21:43:56,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:56,744 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 21:43:57,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:57,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 557 states and 701 transitions. [2019-12-01 21:43:57,281 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 701 transitions. [2019-12-01 21:43:57,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-12-01 21:43:57,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 21:43:57,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:57,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 558 states and 702 transitions. [2019-12-01 21:43:57,345 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 702 transitions. [2019-12-01 21:43:57,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-12-01 21:43:57,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:57,370 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 21:43:57,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:57,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 575 states and 719 transitions. [2019-12-01 21:43:57,426 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 719 transitions. [2019-12-01 21:43:57,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-12-01 21:43:57,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 21:43:57,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:57,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 577 states and 720 transitions. [2019-12-01 21:43:57,629 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 720 transitions. [2019-12-01 21:43:57,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-12-01 21:43:57,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:43:58,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:58,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 592 states and 735 transitions. [2019-12-01 21:43:58,097 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 735 transitions. [2019-12-01 21:43:58,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-12-01 21:43:58,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:58,147 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2019-12-01 21:43:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:58,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 594 states and 736 transitions. [2019-12-01 21:43:58,221 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 736 transitions. [2019-12-01 21:43:58,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-01 21:43:58,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:58,336 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:43:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:58,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 596 states and 738 transitions. [2019-12-01 21:43:58,507 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 738 transitions. [2019-12-01 21:43:58,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-12-01 21:43:58,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-12-01 21:43:58,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:58,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 597 states and 739 transitions. [2019-12-01 21:43:58,556 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 739 transitions. [2019-12-01 21:43:58,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-01 21:43:58,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:58,593 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:43:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:58,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 601 states and 743 transitions. [2019-12-01 21:43:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 743 transitions. [2019-12-01 21:43:58,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-12-01 21:43:58,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:58,702 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-12-01 21:43:58,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:58,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 603 states and 745 transitions. [2019-12-01 21:43:58,755 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 745 transitions. [2019-12-01 21:43:58,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-12-01 21:43:58,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:58,798 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 21:43:58,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:58,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 629 states and 772 transitions. [2019-12-01 21:43:58,893 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 772 transitions. [2019-12-01 21:43:58,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-12-01 21:43:58,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:43:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:43:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 641 states and 787 transitions. [2019-12-01 21:43:59,167 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 787 transitions. [2019-12-01 21:43:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 21:43:59,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:43:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:43:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:44:01,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:01,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 664 states and 817 transitions. [2019-12-01 21:44:01,222 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 817 transitions. [2019-12-01 21:44:01,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 21:44:01,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:01,278 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:44:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 668 states and 822 transitions. [2019-12-01 21:44:01,376 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 822 transitions. [2019-12-01 21:44:01,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-12-01 21:44:01,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:01,447 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-12-01 21:44:01,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:01,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 680 states and 833 transitions. [2019-12-01 21:44:01,838 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 833 transitions. [2019-12-01 21:44:01,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 21:44:01,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:01,893 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 21:44:02,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:02,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 710 states and 862 transitions. [2019-12-01 21:44:02,344 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 862 transitions. [2019-12-01 21:44:02,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-12-01 21:44:02,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:02,404 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:44:02,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:02,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 735 states and 887 transitions. [2019-12-01 21:44:02,925 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 887 transitions. [2019-12-01 21:44:02,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-12-01 21:44:02,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 21:44:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:03,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 741 states and 892 transitions. [2019-12-01 21:44:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 892 transitions. [2019-12-01 21:44:03,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-12-01 21:44:03,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:03,053 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 21:44:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:03,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 773 states and 924 transitions. [2019-12-01 21:44:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 924 transitions. [2019-12-01 21:44:03,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 21:44:03,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:03,240 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-01 21:44:03,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:03,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 778 states and 930 transitions. [2019-12-01 21:44:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 930 transitions. [2019-12-01 21:44:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 21:44:03,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-01 21:44:03,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:03,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 779 states and 930 transitions. [2019-12-01 21:44:03,579 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 930 transitions. [2019-12-01 21:44:03,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 21:44:03,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:03,760 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:44:04,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:04,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 813 states and 968 transitions. [2019-12-01 21:44:04,558 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 968 transitions. [2019-12-01 21:44:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 21:44:04,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:04,617 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:44:04,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:04,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 815 states and 969 transitions. [2019-12-01 21:44:04,780 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 969 transitions. [2019-12-01 21:44:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-01 21:44:04,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 21:44:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:05,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 835 states and 990 transitions. [2019-12-01 21:44:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 990 transitions. [2019-12-01 21:44:05,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-01 21:44:05,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 21:44:05,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:05,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 838 states and 993 transitions. [2019-12-01 21:44:05,316 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 993 transitions. [2019-12-01 21:44:05,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-01 21:44:05,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 21:44:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:06,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 871 states and 1029 transitions. [2019-12-01 21:44:06,024 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1029 transitions. [2019-12-01 21:44:06,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-01 21:44:06,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:06,095 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 21:44:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 874 states and 1032 transitions. [2019-12-01 21:44:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1032 transitions. [2019-12-01 21:44:06,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-01 21:44:06,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 21:44:06,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 878 states and 1038 transitions. [2019-12-01 21:44:06,481 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1038 transitions. [2019-12-01 21:44:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 21:44:06,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:06,528 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 21:44:06,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:06,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 895 states and 1054 transitions. [2019-12-01 21:44:06,592 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1054 transitions. [2019-12-01 21:44:06,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-12-01 21:44:06,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:06,634 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:44:06,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:06,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 933 states and 1094 transitions. [2019-12-01 21:44:06,823 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1094 transitions. [2019-12-01 21:44:06,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-12-01 21:44:06,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:06,868 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-12-01 21:44:06,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:06,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 936 states and 1096 transitions. [2019-12-01 21:44:06,895 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1096 transitions. [2019-12-01 21:44:06,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-01 21:44:06,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:07,666 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:44:09,590 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2019-12-01 21:44:12,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:12,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1057 states and 1236 transitions. [2019-12-01 21:44:12,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1236 transitions. [2019-12-01 21:44:12,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-01 21:44:12,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:44:13,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:13,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1061 states and 1240 transitions. [2019-12-01 21:44:13,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1240 transitions. [2019-12-01 21:44:13,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-01 21:44:13,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:13,247 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:44:13,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:13,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1066 states and 1244 transitions. [2019-12-01 21:44:13,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1244 transitions. [2019-12-01 21:44:13,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-12-01 21:44:13,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-12-01 21:44:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:14,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1145 states and 1326 transitions. [2019-12-01 21:44:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1326 transitions. [2019-12-01 21:44:14,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-12-01 21:44:14,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-12-01 21:44:15,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:15,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1156 states and 1340 transitions. [2019-12-01 21:44:15,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1340 transitions. [2019-12-01 21:44:15,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-12-01 21:44:15,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:15,077 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-12-01 21:44:15,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:15,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1183 states and 1367 transitions. [2019-12-01 21:44:15,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1367 transitions. [2019-12-01 21:44:15,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-12-01 21:44:15,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:15,524 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-12-01 21:44:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:19,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1394 states and 1599 transitions. [2019-12-01 21:44:19,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1599 transitions. [2019-12-01 21:44:19,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-12-01 21:44:19,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:20,082 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 21:44:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:23,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1437 states and 1648 transitions. [2019-12-01 21:44:23,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1648 transitions. [2019-12-01 21:44:23,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-12-01 21:44:23,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:23,493 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 21:44:23,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1441 states and 1651 transitions. [2019-12-01 21:44:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1651 transitions. [2019-12-01 21:44:23,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-12-01 21:44:23,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:24,740 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 21:44:28,723 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2019-12-01 21:44:35,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:35,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1578 states and 1818 transitions. [2019-12-01 21:44:35,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 1818 transitions. [2019-12-01 21:44:35,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-12-01 21:44:35,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 21:44:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:38,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1608 states and 1851 transitions. [2019-12-01 21:44:38,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 1851 transitions. [2019-12-01 21:44:38,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-12-01 21:44:38,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 21:44:39,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:39,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1612 states and 1855 transitions. [2019-12-01 21:44:39,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 1855 transitions. [2019-12-01 21:44:39,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-12-01 21:44:39,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 21:44:39,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1617 states and 1859 transitions. [2019-12-01 21:44:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 1859 transitions. [2019-12-01 21:44:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-12-01 21:44:39,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 21:44:40,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:40,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1618 states and 1861 transitions. [2019-12-01 21:44:40,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 1861 transitions. [2019-12-01 21:44:40,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-12-01 21:44:40,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 21:44:42,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:42,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1627 states and 1873 transitions. [2019-12-01 21:44:42,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 1873 transitions. [2019-12-01 21:44:42,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-12-01 21:44:42,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 21:44:42,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:42,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1631 states and 1876 transitions. [2019-12-01 21:44:42,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 1876 transitions. [2019-12-01 21:44:42,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-12-01 21:44:42,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 21:44:43,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1636 states and 1880 transitions. [2019-12-01 21:44:43,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1880 transitions. [2019-12-01 21:44:43,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2019-12-01 21:44:43,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:43,659 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2019-12-01 21:44:43,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1639 states and 1882 transitions. [2019-12-01 21:44:43,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 1882 transitions. [2019-12-01 21:44:43,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2019-12-01 21:44:43,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:43,973 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 574 proven. 16 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 21:44:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:44,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1658 states and 1902 transitions. [2019-12-01 21:44:44,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 1902 transitions. [2019-12-01 21:44:44,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2019-12-01 21:44:44,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 574 proven. 16 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 21:44:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:45,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1663 states and 1907 transitions. [2019-12-01 21:44:45,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 1907 transitions. [2019-12-01 21:44:45,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2019-12-01 21:44:45,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:45,500 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 574 proven. 16 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 21:44:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1667 states and 1910 transitions. [2019-12-01 21:44:45,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 1910 transitions. [2019-12-01 21:44:45,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-12-01 21:44:45,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:45,977 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-12-01 21:44:55,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:55,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1731 states and 1987 transitions. [2019-12-01 21:44:55,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 1987 transitions. [2019-12-01 21:44:55,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-12-01 21:44:55,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:56,082 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-12-01 21:44:57,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:57,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1744 states and 2006 transitions. [2019-12-01 21:44:57,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2006 transitions. [2019-12-01 21:44:57,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-12-01 21:44:57,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-12-01 21:44:58,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:58,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 1748 states and 2009 transitions. [2019-12-01 21:44:58,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2009 transitions. [2019-12-01 21:44:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-12-01 21:44:58,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:58,489 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-12-01 21:45:00,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:45:00,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 1771 states and 2038 transitions. [2019-12-01 21:45:00,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2038 transitions. [2019-12-01 21:45:00,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 21:45:00,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:45:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:45:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 75 proven. 400 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-12-01 21:45:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:45:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 1812 states and 2081 transitions. [2019-12-01 21:45:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2081 transitions. [2019-12-01 21:45:02,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 21:45:02,717 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 86 iterations. [2019-12-01 21:45:02,724 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 21:45:04,746 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 19 [2019-12-01 21:45:07,706 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 21:45:07,709 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-12-01 21:45:07,715 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-12-01 21:45:07,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 09:45:07 ImpRootNode [2019-12-01 21:45:07,716 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 21:45:07,716 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 21:45:07,716 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 21:45:07,717 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 21:45:07,717 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:43:47" (3/4) ... [2019-12-01 21:45:07,719 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 21:45:07,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2019-12-01 21:45:07,737 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-12-01 21:45:07,738 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-01 21:45:07,739 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 21:45:07,819 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_12b5a7da-b2f8-4d91-91f9-4fbd67bdd746/bin/ukojak/witness.graphml [2019-12-01 21:45:07,819 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 21:45:07,820 INFO L168 Benchmark]: Toolchain (without parser) took 81462.03 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 688.4 MB). Free memory was 937.2 MB in the beginning and 973.0 MB in the end (delta: -35.8 MB). Peak memory consumption was 652.6 MB. Max. memory is 11.5 GB. [2019-12-01 21:45:07,820 INFO L168 Benchmark]: CDTParser took 0.14 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. [2019-12-01 21:45:07,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-12-01 21:45:07,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.68 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. [2019-12-01 21:45:07,821 INFO L168 Benchmark]: Boogie Preprocessor took 38.05 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. [2019-12-01 21:45:07,821 INFO L168 Benchmark]: RCFGBuilder took 1178.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 851.4 MB in the end (delta: 219.8 MB). Peak memory consumption was 219.8 MB. Max. memory is 11.5 GB. [2019-12-01 21:45:07,822 INFO L168 Benchmark]: CodeCheck took 79742.64 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 579.3 MB). Free memory was 851.4 MB in the beginning and 995.8 MB in the end (delta: -144.4 MB). Peak memory consumption was 739.5 MB. Max. memory is 11.5 GB. [2019-12-01 21:45:07,822 INFO L168 Benchmark]: Witness Printer took 102.56 ms. Allocated memory is still 1.7 GB. Free memory was 995.8 MB in the beginning and 973.0 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-12-01 21:45:07,824 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, 85 locations, 1 error locations. Result: SAFE, OverallTime: 74.7s, OverallIterations: 86, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 300679268 SDtfs, 1646848568 SDslu, 1810957016 SDs, 0 SdLazy, 39251352 SolverSat, 54290284 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 225.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110084 GetRequests, 106991 SyntacticMatches, 2385 SemanticMatches, 708 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313042 ImplicationChecksByTransitivity, 56.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 17055 NumberOfCodeBlocks, 17055 NumberOfCodeBlocksAsserted, 85 NumberOfCheckSat, 16970 ConstructedInterpolants, 0 QuantifiedInterpolants, 16838042 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 85 InterpolantComputations, 61 PerfectInterpolantSequences, 18084/19594 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: 574]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((!(a19 == 1) || !(a17 == 7)) || !(a25 == 1)) || a11 == 1) || !(a28 == 10) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(a19 == 1) || !(a17 == 7)) || !(a25 == 1)) || a11 == 1) || !(a28 == 10) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 347.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.68 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 38.05 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. * RCFGBuilder took 1178.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 851.4 MB in the end (delta: 219.8 MB). Peak memory consumption was 219.8 MB. Max. memory is 11.5 GB. * CodeCheck took 79742.64 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 579.3 MB). Free memory was 851.4 MB in the beginning and 995.8 MB in the end (delta: -144.4 MB). Peak memory consumption was 739.5 MB. Max. memory is 11.5 GB. * Witness Printer took 102.56 ms. Allocated memory is still 1.7 GB. Free memory was 995.8 MB in the beginning and 973.0 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...