./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/heapsort.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_779c6109-cd1e-48ed-8b04-935a378f46e8/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_779c6109-cd1e-48ed-8b04-935a378f46e8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_779c6109-cd1e-48ed-8b04-935a378f46e8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_779c6109-cd1e-48ed-8b04-935a378f46e8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/heapsort.i -s /tmp/vcloud-vcloud-master/worker/run_dir_779c6109-cd1e-48ed-8b04-935a378f46e8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_779c6109-cd1e-48ed-8b04-935a378f46e8/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 4fc86a08ff37d05adddb13279399a852f6ece83c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:33:12,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:33:12,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:33:12,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:33:12,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:33:12,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:33:12,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:33:12,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:33:12,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:33:12,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:33:12,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:33:12,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:33:12,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:33:12,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:33:12,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:33:12,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:33:12,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:33:12,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:33:12,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:33:12,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:33:12,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:33:12,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:33:12,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:33:12,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:33:12,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:33:12,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:33:12,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:33:12,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:33:12,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:33:12,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:33:12,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:33:12,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:33:12,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:33:12,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:33:12,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:33:12,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:33:12,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:33:12,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:33:12,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:33:12,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:33:12,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:33:12,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_779c6109-cd1e-48ed-8b04-935a378f46e8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 10:33:12,806 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:33:12,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:33:12,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:33:12,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:33:12,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:33:12,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:33:12,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:33:12,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:33:12,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:33:12,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:33:12,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:33:12,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:33:12,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:33:12,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:33:12,809 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:33:12,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:33:12,810 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:33:12,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:33:12,810 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:33:12,810 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:33:12,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:33:12,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:33:12,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:33:12,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:33:12,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:33:12,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:33:12,812 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:33:12,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:33:12,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:33:12,812 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_779c6109-cd1e-48ed-8b04-935a378f46e8/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 -> 4fc86a08ff37d05adddb13279399a852f6ece83c [2019-11-20 10:33:12,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:33:13,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:33:13,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:33:13,008 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:33:13,009 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:33:13,009 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_779c6109-cd1e-48ed-8b04-935a378f46e8/bin/ukojak/../../sv-benchmarks/c/loop-invgen/heapsort.i [2019-11-20 10:33:13,067 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_779c6109-cd1e-48ed-8b04-935a378f46e8/bin/ukojak/data/f9f9c0cd0/96f35001672f450cab3d5c3961bbc611/FLAGb54f83ac2 [2019-11-20 10:33:13,471 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:33:13,473 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_779c6109-cd1e-48ed-8b04-935a378f46e8/sv-benchmarks/c/loop-invgen/heapsort.i [2019-11-20 10:33:13,480 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_779c6109-cd1e-48ed-8b04-935a378f46e8/bin/ukojak/data/f9f9c0cd0/96f35001672f450cab3d5c3961bbc611/FLAGb54f83ac2 [2019-11-20 10:33:13,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_779c6109-cd1e-48ed-8b04-935a378f46e8/bin/ukojak/data/f9f9c0cd0/96f35001672f450cab3d5c3961bbc611 [2019-11-20 10:33:13,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:33:13,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:33:13,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:33:13,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:33:13,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:33:13,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:33:13" (1/1) ... [2019-11-20 10:33:13,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6709ef4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:13, skipping insertion in model container [2019-11-20 10:33:13,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:33:13" (1/1) ... [2019-11-20 10:33:13,515 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:33:13,535 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:33:13,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:33:13,693 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:33:13,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:33:13,792 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:33:13,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:13 WrapperNode [2019-11-20 10:33:13,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:33:13,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:33:13,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:33:13,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:33:13,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:13" (1/1) ... [2019-11-20 10:33:13,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:13" (1/1) ... [2019-11-20 10:33:13,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:33:13,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:33:13,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:33:13,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:33:13,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:13" (1/1) ... [2019-11-20 10:33:13,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:13" (1/1) ... [2019-11-20 10:33:13,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:13" (1/1) ... [2019-11-20 10:33:13,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:13" (1/1) ... [2019-11-20 10:33:13,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:13" (1/1) ... [2019-11-20 10:33:13,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:13" (1/1) ... [2019-11-20 10:33:13,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:13" (1/1) ... [2019-11-20 10:33:13,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:33:13,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:33:13,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:33:13,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:33:13,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_779c6109-cd1e-48ed-8b04-935a378f46e8/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 [2019-11-20 10:33:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:33:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:33:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-20 10:33:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-20 10:33:14,346 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:33:14,346 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 10:33:14,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:33:14 BoogieIcfgContainer [2019-11-20 10:33:14,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:33:14,348 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:33:14,348 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:33:14,357 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:33:14,357 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:33:14" (1/1) ... [2019-11-20 10:33:14,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:33:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:14,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2019-11-20 10:33:14,399 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2019-11-20 10:33:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:33:14,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:14,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:33:14,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 36 states and 66 transitions. [2019-11-20 10:33:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2019-11-20 10:33:14,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:33:14,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:33:14,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 74 transitions. [2019-11-20 10:33:14,803 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2019-11-20 10:33:14,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:33:14,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:33:15,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:15,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 84 transitions. [2019-11-20 10:33:15,106 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 84 transitions. [2019-11-20 10:33:15,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:33:15,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:15,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:33:15,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:15,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 87 transitions. [2019-11-20 10:33:15,223 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2019-11-20 10:33:15,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:33:15,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:15,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:33:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:15,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 49 states and 102 transitions. [2019-11-20 10:33:15,905 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 102 transitions. [2019-11-20 10:33:15,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:33:15,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:16,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:33:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:17,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 54 states and 119 transitions. [2019-11-20 10:33:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 119 transitions. [2019-11-20 10:33:17,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:33:17,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:17,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:33:17,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:17,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 58 states and 129 transitions. [2019-11-20 10:33:17,936 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 129 transitions. [2019-11-20 10:33:17,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:33:17,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:33:18,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:18,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 61 states and 135 transitions. [2019-11-20 10:33:18,479 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 135 transitions. [2019-11-20 10:33:18,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:33:18,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:18,506 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:33:18,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:18,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 63 states and 139 transitions. [2019-11-20 10:33:18,620 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 139 transitions. [2019-11-20 10:33:18,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:33:18,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:18,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:33:19,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 69 states and 156 transitions. [2019-11-20 10:33:19,733 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 156 transitions. [2019-11-20 10:33:19,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 10:33:19,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:19,753 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:33:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:20,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 73 states and 164 transitions. [2019-11-20 10:33:20,309 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 164 transitions. [2019-11-20 10:33:20,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 10:33:20,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:33:20,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:20,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 74 states and 167 transitions. [2019-11-20 10:33:20,561 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 167 transitions. [2019-11-20 10:33:20,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 10:33:20,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:20,904 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:33:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 78 states and 182 transitions. [2019-11-20 10:33:22,356 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 182 transitions. [2019-11-20 10:33:22,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 10:33:22,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:22,635 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 10:33:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:24,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 85 states and 205 transitions. [2019-11-20 10:33:24,196 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 205 transitions. [2019-11-20 10:33:24,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 10:33:24,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:24,507 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 10:33:27,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:27,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 93 states and 233 transitions. [2019-11-20 10:33:27,046 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 233 transitions. [2019-11-20 10:33:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 10:33:27,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:27,380 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 10:33:29,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:29,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 101 states and 254 transitions. [2019-11-20 10:33:29,928 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 254 transitions. [2019-11-20 10:33:29,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 10:33:29,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:29,950 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 10:33:31,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 106 states and 266 transitions. [2019-11-20 10:33:31,561 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 266 transitions. [2019-11-20 10:33:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 10:33:31,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:32,036 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 10:33:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:33,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 108 states and 273 transitions. [2019-11-20 10:33:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 273 transitions. [2019-11-20 10:33:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 10:33:33,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:33,716 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 10:33:34,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:34,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 111 states and 280 transitions. [2019-11-20 10:33:34,576 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 280 transitions. [2019-11-20 10:33:34,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 10:33:34,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 10:33:35,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:35,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 113 states and 289 transitions. [2019-11-20 10:33:35,042 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 289 transitions. [2019-11-20 10:33:35,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 10:33:35,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:35,254 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 10:33:37,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:37,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 116 states and 297 transitions. [2019-11-20 10:33:37,385 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 297 transitions. [2019-11-20 10:33:37,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 10:33:37,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:37,935 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 10:33:38,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:38,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 116 states and 296 transitions. [2019-11-20 10:33:38,321 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 296 transitions. [2019-11-20 10:33:38,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 10:33:38,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:38,338 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 10:33:39,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:39,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 120 states and 306 transitions. [2019-11-20 10:33:39,581 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 306 transitions. [2019-11-20 10:33:39,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 10:33:39,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 10:33:43,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:43,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 129 states and 337 transitions. [2019-11-20 10:33:43,215 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 337 transitions. [2019-11-20 10:33:43,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 10:33:43,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:43,241 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 10:33:44,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:44,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 132 states and 348 transitions. [2019-11-20 10:33:44,499 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 348 transitions. [2019-11-20 10:33:44,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 10:33:44,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 10:33:47,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:47,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 138 states and 364 transitions. [2019-11-20 10:33:47,121 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 364 transitions. [2019-11-20 10:33:47,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 10:33:47,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:47,572 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 10:33:49,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:49,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 139 states and 367 transitions. [2019-11-20 10:33:49,017 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 367 transitions. [2019-11-20 10:33:49,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:33:49,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:49,039 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 10:33:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:50,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 142 states and 378 transitions. [2019-11-20 10:33:50,734 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 378 transitions. [2019-11-20 10:33:50,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 10:33:50,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:50,811 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 10:33:52,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:52,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 147 states and 392 transitions. [2019-11-20 10:33:52,211 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 392 transitions. [2019-11-20 10:33:52,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:33:52,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:52,469 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 10:33:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 149 states and 396 transitions. [2019-11-20 10:33:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 396 transitions. [2019-11-20 10:33:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:33:54,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:54,145 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 10:33:55,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 151 states and 403 transitions. [2019-11-20 10:33:55,403 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 403 transitions. [2019-11-20 10:33:55,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:33:55,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:55,428 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 10:33:55,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 152 states and 405 transitions. [2019-11-20 10:33:55,901 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 405 transitions. [2019-11-20 10:33:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:33:55,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 10:33:56,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:56,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 152 states and 404 transitions. [2019-11-20 10:33:56,632 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 404 transitions. [2019-11-20 10:33:56,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 10:33:56,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:56,647 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 10:33:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:57,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 152 states and 403 transitions. [2019-11-20 10:33:57,145 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 403 transitions. [2019-11-20 10:33:57,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 10:33:57,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 10:33:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:58,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 160 states and 432 transitions. [2019-11-20 10:33:58,844 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 432 transitions. [2019-11-20 10:33:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 10:33:58,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-11-20 10:33:59,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:33:59,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 165 states and 441 transitions. [2019-11-20 10:33:59,801 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 441 transitions. [2019-11-20 10:33:59,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 10:33:59,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:33:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:59,932 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-11-20 10:34:00,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:00,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 170 states and 450 transitions. [2019-11-20 10:34:00,485 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 450 transitions. [2019-11-20 10:34:00,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 10:34:00,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:00,505 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-11-20 10:34:01,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:01,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 175 states and 461 transitions. [2019-11-20 10:34:01,177 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 461 transitions. [2019-11-20 10:34:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 10:34:01,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:01,214 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-11-20 10:34:02,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:02,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 179 states and 472 transitions. [2019-11-20 10:34:02,855 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 472 transitions. [2019-11-20 10:34:02,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 10:34:02,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:02,997 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-11-20 10:34:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 189 states and 497 transitions. [2019-11-20 10:34:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 497 transitions. [2019-11-20 10:34:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 10:34:05,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-11-20 10:34:10,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:10,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 199 states and 533 transitions. [2019-11-20 10:34:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 533 transitions. [2019-11-20 10:34:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 10:34:10,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:10,890 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2019-11-20 10:34:14,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:14,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 204 states and 542 transitions. [2019-11-20 10:34:14,305 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 542 transitions. [2019-11-20 10:34:14,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 10:34:14,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-11-20 10:34:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:17,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 210 states and 554 transitions. [2019-11-20 10:34:17,892 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 554 transitions. [2019-11-20 10:34:17,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 10:34:17,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 10:34:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:23,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 217 states and 589 transitions. [2019-11-20 10:34:23,248 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 589 transitions. [2019-11-20 10:34:23,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 10:34:23,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:23,264 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-20 10:34:24,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:24,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 217 states and 588 transitions. [2019-11-20 10:34:24,355 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 588 transitions. [2019-11-20 10:34:24,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 10:34:24,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:24,772 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-11-20 10:34:26,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 220 states and 601 transitions. [2019-11-20 10:34:26,910 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 601 transitions. [2019-11-20 10:34:26,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:34:26,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-11-20 10:34:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:29,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 223 states and 606 transitions. [2019-11-20 10:34:29,027 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 606 transitions. [2019-11-20 10:34:29,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 10:34:29,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:29,044 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-20 10:34:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:30,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 224 states and 607 transitions. [2019-11-20 10:34:30,462 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 607 transitions. [2019-11-20 10:34:30,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 10:34:30,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:30,478 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-11-20 10:34:30,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:30,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 224 states and 606 transitions. [2019-11-20 10:34:30,778 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 606 transitions. [2019-11-20 10:34:30,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 10:34:30,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-20 10:34:33,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:33,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 232 states and 626 transitions. [2019-11-20 10:34:33,825 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 626 transitions. [2019-11-20 10:34:33,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 10:34:33,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-20 10:34:36,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:36,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 239 states and 648 transitions. [2019-11-20 10:34:36,986 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 648 transitions. [2019-11-20 10:34:36,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 10:34:36,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-11-20 10:34:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 248 states and 663 transitions. [2019-11-20 10:34:40,541 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 663 transitions. [2019-11-20 10:34:40,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 10:34:40,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-20 10:34:42,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:42,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 251 states and 667 transitions. [2019-11-20 10:34:42,462 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 667 transitions. [2019-11-20 10:34:42,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 10:34:42,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:42,477 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-20 10:34:45,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:45,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 257 states and 681 transitions. [2019-11-20 10:34:45,887 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 681 transitions. [2019-11-20 10:34:45,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 10:34:45,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:45,903 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-20 10:34:46,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:46,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 258 states and 681 transitions. [2019-11-20 10:34:46,672 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 681 transitions. [2019-11-20 10:34:46,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 10:34:46,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:47,291 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-11-20 10:34:49,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:49,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 259 states and 682 transitions. [2019-11-20 10:34:49,246 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 682 transitions. [2019-11-20 10:34:49,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 10:34:49,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:49,287 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-11-20 10:34:50,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:50,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 258 states and 675 transitions. [2019-11-20 10:34:50,315 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 675 transitions. [2019-11-20 10:34:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 10:34:50,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-11-20 10:34:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:34:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 269 states and 707 transitions. [2019-11-20 10:34:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 707 transitions. [2019-11-20 10:34:56,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 10:34:56,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:34:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:57,672 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-11-20 10:35:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 278 states and 734 transitions. [2019-11-20 10:35:03,170 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 734 transitions. [2019-11-20 10:35:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 10:35:03,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:03,189 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-20 10:35:07,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:07,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 287 states and 758 transitions. [2019-11-20 10:35:07,246 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 758 transitions. [2019-11-20 10:35:07,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 10:35:07,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:08,163 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-11-20 10:35:12,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:12,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 292 states and 770 transitions. [2019-11-20 10:35:12,324 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 770 transitions. [2019-11-20 10:35:12,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:35:12,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:12,389 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-11-20 10:35:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:13,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 292 states and 769 transitions. [2019-11-20 10:35:13,323 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 769 transitions. [2019-11-20 10:35:13,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:35:13,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-11-20 10:35:16,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:16,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 297 states and 784 transitions. [2019-11-20 10:35:16,368 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 784 transitions. [2019-11-20 10:35:16,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:35:16,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:16,504 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2019-11-20 10:35:17,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:17,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 298 states and 787 transitions. [2019-11-20 10:35:17,291 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 787 transitions. [2019-11-20 10:35:17,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:35:17,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2019-11-20 10:35:19,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:19,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 303 states and 796 transitions. [2019-11-20 10:35:19,634 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 796 transitions. [2019-11-20 10:35:19,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:35:19,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:19,873 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-11-20 10:35:20,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:20,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 307 states and 803 transitions. [2019-11-20 10:35:20,711 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 803 transitions. [2019-11-20 10:35:20,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:35:20,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2019-11-20 10:35:21,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:21,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 311 states and 810 transitions. [2019-11-20 10:35:21,767 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 810 transitions. [2019-11-20 10:35:21,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:35:21,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:21,929 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2019-11-20 10:35:24,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:24,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 315 states and 820 transitions. [2019-11-20 10:35:24,419 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 820 transitions. [2019-11-20 10:35:24,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:35:24,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-11-20 10:35:27,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:27,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 320 states and 833 transitions. [2019-11-20 10:35:27,311 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 833 transitions. [2019-11-20 10:35:27,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:35:27,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:27,330 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2019-11-20 10:35:29,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:29,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 325 states and 842 transitions. [2019-11-20 10:35:29,844 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 842 transitions. [2019-11-20 10:35:29,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 10:35:29,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:29,859 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-11-20 10:35:31,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:31,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 326 states and 845 transitions. [2019-11-20 10:35:31,531 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 845 transitions. [2019-11-20 10:35:31,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 10:35:31,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:32,127 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2019-11-20 10:35:38,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:38,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 337 states and 878 transitions. [2019-11-20 10:35:38,167 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 878 transitions. [2019-11-20 10:35:38,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 10:35:38,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:38,189 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2019-11-20 10:35:39,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:39,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 338 states and 882 transitions. [2019-11-20 10:35:39,782 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 882 transitions. [2019-11-20 10:35:39,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 10:35:39,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-11-20 10:35:40,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:40,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 339 states and 884 transitions. [2019-11-20 10:35:40,742 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 884 transitions. [2019-11-20 10:35:40,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 10:35:40,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:40,757 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2019-11-20 10:35:41,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:41,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 340 states and 884 transitions. [2019-11-20 10:35:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 884 transitions. [2019-11-20 10:35:41,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 10:35:41,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2019-11-20 10:35:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:44,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 341 states and 889 transitions. [2019-11-20 10:35:44,903 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 889 transitions. [2019-11-20 10:35:44,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 10:35:44,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:44,926 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2019-11-20 10:35:46,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:46,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 343 states and 893 transitions. [2019-11-20 10:35:46,677 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 893 transitions. [2019-11-20 10:35:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 10:35:46,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:46,695 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-11-20 10:35:47,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:47,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 346 states and 898 transitions. [2019-11-20 10:35:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 898 transitions. [2019-11-20 10:35:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 10:35:47,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:47,647 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2019-11-20 10:35:49,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 348 states and 906 transitions. [2019-11-20 10:35:49,669 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 906 transitions. [2019-11-20 10:35:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 10:35:49,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:49,690 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-11-20 10:35:50,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:35:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 348 states and 905 transitions. [2019-11-20 10:35:50,467 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 905 transitions. [2019-11-20 10:35:50,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 10:35:50,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:35:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-11-20 10:36:02,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:02,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 368 states and 955 transitions. [2019-11-20 10:36:02,626 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 955 transitions. [2019-11-20 10:36:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 10:36:02,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-11-20 10:36:07,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:07,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 375 states and 972 transitions. [2019-11-20 10:36:07,158 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 972 transitions. [2019-11-20 10:36:07,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 10:36:07,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:07,282 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-11-20 10:36:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:08,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 376 states and 985 transitions. [2019-11-20 10:36:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 985 transitions. [2019-11-20 10:36:08,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 10:36:08,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-11-20 10:36:14,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:14,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 387 states and 1010 transitions. [2019-11-20 10:36:14,791 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1010 transitions. [2019-11-20 10:36:14,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 10:36:14,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-11-20 10:36:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 396 states and 1028 transitions. [2019-11-20 10:36:19,109 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 1028 transitions. [2019-11-20 10:36:19,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 10:36:19,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:19,222 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-11-20 10:36:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:20,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 400 states and 1034 transitions. [2019-11-20 10:36:20,331 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 1034 transitions. [2019-11-20 10:36:20,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 10:36:20,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:20,501 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-11-20 10:36:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 404 states and 1041 transitions. [2019-11-20 10:36:21,431 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 1041 transitions. [2019-11-20 10:36:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 10:36:21,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:21,571 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-11-20 10:36:25,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 413 states and 1061 transitions. [2019-11-20 10:36:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 1061 transitions. [2019-11-20 10:36:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 10:36:25,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-11-20 10:36:28,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:28,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 418 states and 1072 transitions. [2019-11-20 10:36:28,479 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 1072 transitions. [2019-11-20 10:36:28,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 10:36:28,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:29,576 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-11-20 10:36:31,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 418 states and 1071 transitions. [2019-11-20 10:36:31,442 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 1071 transitions. [2019-11-20 10:36:31,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 10:36:31,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:31,555 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-11-20 10:36:32,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 418 states and 1070 transitions. [2019-11-20 10:36:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 1070 transitions. [2019-11-20 10:36:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 10:36:32,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:32,517 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2019-11-20 10:36:33,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:33,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 419 states and 1071 transitions. [2019-11-20 10:36:33,404 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 1071 transitions. [2019-11-20 10:36:33,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-20 10:36:33,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:34,105 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 33 proven. 5 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-11-20 10:36:44,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 438 states and 1124 transitions. [2019-11-20 10:36:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1124 transitions. [2019-11-20 10:36:44,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-20 10:36:44,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 29 proven. 11 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-11-20 10:36:50,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 448 states and 1158 transitions. [2019-11-20 10:36:50,809 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 1158 transitions. [2019-11-20 10:36:50,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-20 10:36:50,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 29 proven. 11 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-11-20 10:36:54,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 456 states and 1177 transitions. [2019-11-20 10:36:54,926 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1177 transitions. [2019-11-20 10:36:54,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-20 10:36:54,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:54,947 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2019-11-20 10:37:00,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:00,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 462 states and 1187 transitions. [2019-11-20 10:37:00,213 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 1187 transitions. [2019-11-20 10:37:00,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-20 10:37:00,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2019-11-20 10:37:05,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:05,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 468 states and 1198 transitions. [2019-11-20 10:37:05,148 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1198 transitions. [2019-11-20 10:37:05,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-20 10:37:05,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:05,163 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2019-11-20 10:37:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 469 states and 1208 transitions. [2019-11-20 10:37:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 1208 transitions. [2019-11-20 10:37:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-20 10:37:06,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2019-11-20 10:37:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 479 states and 1226 transitions. [2019-11-20 10:37:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 1226 transitions. [2019-11-20 10:37:12,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-20 10:37:12,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 30 proven. 8 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2019-11-20 10:37:13,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:13,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 480 states and 1228 transitions. [2019-11-20 10:37:13,834 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1228 transitions. [2019-11-20 10:37:13,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-20 10:37:13,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:13,860 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 30 proven. 8 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2019-11-20 10:37:14,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 481 states and 1230 transitions. [2019-11-20 10:37:14,813 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1230 transitions. [2019-11-20 10:37:14,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-20 10:37:14,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:15,936 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-11-20 10:37:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:18,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 481 states and 1229 transitions. [2019-11-20 10:37:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1229 transitions. [2019-11-20 10:37:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-20 10:37:18,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:18,442 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-11-20 10:37:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:19,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 481 states and 1228 transitions. [2019-11-20 10:37:19,766 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1228 transitions. [2019-11-20 10:37:19,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-20 10:37:19,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:19,873 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2019-11-20 10:37:20,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:20,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 482 states and 1233 transitions. [2019-11-20 10:37:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1233 transitions. [2019-11-20 10:37:20,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-20 10:37:20,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:21,357 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 32 proven. 12 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2019-11-20 10:37:23,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:23,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 484 states and 1240 transitions. [2019-11-20 10:37:23,727 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1240 transitions. [2019-11-20 10:37:23,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-20 10:37:23,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:23,774 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 32 proven. 12 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2019-11-20 10:37:25,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:25,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 486 states and 1245 transitions. [2019-11-20 10:37:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 1245 transitions. [2019-11-20 10:37:25,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-20 10:37:25,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:25,537 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 32 proven. 12 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2019-11-20 10:37:26,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:26,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 489 states and 1250 transitions. [2019-11-20 10:37:26,349 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1250 transitions. [2019-11-20 10:37:26,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-20 10:37:26,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:26,738 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 31 proven. 17 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-11-20 10:37:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:28,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 489 states and 1249 transitions. [2019-11-20 10:37:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1249 transitions. [2019-11-20 10:37:28,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-20 10:37:28,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 38 proven. 5 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2019-11-20 10:37:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:30,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 491 states and 1251 transitions. [2019-11-20 10:37:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1251 transitions. [2019-11-20 10:37:30,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-20 10:37:30,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:30,665 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 38 proven. 5 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2019-11-20 10:37:33,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:33,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 496 states and 1260 transitions. [2019-11-20 10:37:33,303 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 1260 transitions. [2019-11-20 10:37:33,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-20 10:37:33,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:33,675 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2019-11-20 10:37:35,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:35,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 497 states and 1260 transitions. [2019-11-20 10:37:35,024 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 1260 transitions. [2019-11-20 10:37:35,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-20 10:37:35,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 44 proven. 4 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2019-11-20 10:37:38,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:38,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 502 states and 1269 transitions. [2019-11-20 10:37:38,144 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 1269 transitions. [2019-11-20 10:37:38,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-20 10:37:38,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:39,692 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2019-11-20 10:37:42,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:42,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 502 states and 1268 transitions. [2019-11-20 10:37:42,472 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 1268 transitions. [2019-11-20 10:37:42,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-20 10:37:42,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:42,490 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2019-11-20 10:37:43,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:43,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 506 states and 1273 transitions. [2019-11-20 10:37:43,706 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1273 transitions. [2019-11-20 10:37:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-20 10:37:43,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2019-11-20 10:37:47,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 508 states and 1277 transitions. [2019-11-20 10:37:47,652 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 1277 transitions. [2019-11-20 10:37:47,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 10:37:47,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:47,689 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2019-11-20 10:37:50,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:50,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 508 states and 1276 transitions. [2019-11-20 10:37:50,039 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 1276 transitions. [2019-11-20 10:37:50,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-20 10:37:50,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:50,061 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 53 proven. 5 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2019-11-20 10:37:51,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:51,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 509 states and 1277 transitions. [2019-11-20 10:37:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 1277 transitions. [2019-11-20 10:37:51,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-20 10:37:51,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:51,517 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 38 proven. 6 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2019-11-20 10:37:52,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:52,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 510 states and 1279 transitions. [2019-11-20 10:37:52,266 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1279 transitions. [2019-11-20 10:37:52,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-20 10:37:52,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:52,290 INFO L134 CoverageAnalysis]: Checked inductivity of 753 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2019-11-20 10:37:52,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:52,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 510 states and 1277 transitions. [2019-11-20 10:37:52,982 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1277 transitions. [2019-11-20 10:37:52,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-20 10:37:52,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:53,031 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2019-11-20 10:37:54,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:54,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 509 states and 1275 transitions. [2019-11-20 10:37:54,176 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 1275 transitions. [2019-11-20 10:37:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-20 10:37:54,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:54,225 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2019-11-20 10:37:55,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:55,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 510 states and 1276 transitions. [2019-11-20 10:37:55,357 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1276 transitions. [2019-11-20 10:37:55,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-20 10:37:55,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:55,410 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2019-11-20 10:37:56,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 509 states and 1274 transitions. [2019-11-20 10:37:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 1274 transitions. [2019-11-20 10:37:56,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-20 10:37:56,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:56,526 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2019-11-20 10:37:58,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:58,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 509 states and 1273 transitions. [2019-11-20 10:37:58,293 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 1273 transitions. [2019-11-20 10:37:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-20 10:37:58,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2019-11-20 10:37:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 509 states and 1272 transitions. [2019-11-20 10:37:59,439 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 1272 transitions. [2019-11-20 10:37:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-20 10:37:59,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:59,543 INFO L134 CoverageAnalysis]: Checked inductivity of 907 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2019-11-20 10:38:00,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 513 states and 1278 transitions. [2019-11-20 10:38:00,643 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1278 transitions. [2019-11-20 10:38:00,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-20 10:38:00,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:00,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1233 trivial. 0 not checked. [2019-11-20 10:38:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 218 states and 483 transitions. [2019-11-20 10:38:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 483 transitions. [2019-11-20 10:38:05,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:38:05,529 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 127 iterations. [2019-11-20 10:38:05,536 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 10:38:05,815 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 9 [2019-11-20 10:38:06,112 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 20 [2019-11-20 10:38:06,772 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2019-11-20 10:38:07,867 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2019-11-20 10:38:08,055 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 20 [2019-11-20 10:38:08,262 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 20 [2019-11-20 10:38:08,298 INFO L569 CodeCheckObserver]: Invariant with dag size 81 [2019-11-20 10:38:08,320 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:38:08,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:38:08 ImpRootNode [2019-11-20 10:38:08,321 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:38:08,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:38:08,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:38:08,322 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:38:08,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:33:14" (3/4) ... [2019-11-20 10:38:08,325 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:38:08,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-11-20 10:38:08,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-20 10:38:08,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 10:38:08,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:38:08,391 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_779c6109-cd1e-48ed-8b04-935a378f46e8/bin/ukojak/witness.graphml [2019-11-20 10:38:08,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:38:08,393 INFO L168 Benchmark]: Toolchain (without parser) took 294892.94 ms. Allocated memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: 2.4 GB). Free memory was 944.7 MB in the beginning and 1.9 GB in the end (delta: -980.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2019-11-20 10:38:08,394 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:38:08,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:38:08,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:38:08,395 INFO L168 Benchmark]: Boogie Preprocessor took 20.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:38:08,396 INFO L168 Benchmark]: RCFGBuilder took 496.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:38:08,396 INFO L168 Benchmark]: CodeCheck took 293973.21 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -838.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2019-11-20 10:38:08,397 INFO L168 Benchmark]: Witness Printer took 70.66 ms. Allocated memory is still 3.4 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:38:08,399 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 2 procedures, 34 locations, 1 error locations. Result: SAFE, OverallTime: 291.1s, OverallIterations: 127, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 317594488 SDslu, 725562920 SDs, 0 SdLazy, 1840960016 SolverSat, -314936664 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 352.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143395 GetRequests, 139881 SyntacticMatches, 1990 SemanticMatches, 1524 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1352492 ImplicationChecksByTransitivity, 279.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 25.7s InterpolantComputationTime, 8378 NumberOfCodeBlocks, 8378 NumberOfCodeBlocksAsserted, 126 NumberOfCheckSat, 8252 ConstructedInterpolants, 0 QuantifiedInterpolants, 1599009 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 126 InterpolantComputations, 46 PerfectInterpolantSequences, 32770/33248 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: 5]: 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: 24]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(2 * j + 4 <= r + 4 * l + n || r + 1 <= n) && r + 2 <= 2 * l + n) || (n < j && r + 1 <= n)) || (((((n < r + 1 && 2 * l < j) && j <= 4 * l + 2) && i < 2) && j + 2 <= r + 2 * i) && 2 <= j)) || (((((n < r + 1 && 2 * i + 1 <= n + j) && 2 * l < j) && j <= 4 * l + 2) && 2 <= i) && 1 <= l)) || (((1 <= i && i < 2) && j + 2 <= r + 2 * i) && 2 <= j)) || (((2 * l < j && n < r) && j + 2 <= r + 2 * i) && 2 <= j)) || ((((n < r + 1 && j + 2 <= r + 2 * i) && n < j + 2) && !(n == r)) && 2 <= j)) || (((((i + 2 <= n || r + 2 * i + 2 <= 2 * n + j) && j <= 2 * l) && 2 <= i) && j + 2 <= r + 2 * i) && 2 <= j)) || ((n < j && 2 * j + 4 <= r + 4 * l + n) && 2 <= j)) || ((r + 4 * l + n < 2 * j + 4 && n < r) && 2 <= j)) || ((r <= 2 * l && 2 * l < j) && j + 2 <= r + 2 * i)) || j < 1) || r < 2) || ((((1 <= i && 4 * l + 2 < j) && r + 2 * i + 4 <= 2 * n + j) && n < r + 1) && 1 <= l)) || (!(2 * l <= n) && 2 <= j)) || (((2 * i + 1 <= n + j && r + 4 * l + n < 2 * j + 4) && j + 2 <= r + 2 * i) && 2 <= j)) || (((((1 <= i && 2 * l < j) && r + 2 * i + 2 <= 2 * n + j) && 1 <= l) && j + 2 <= r + 2 * i) && r + 1 <= n)) || (((4 * l + 2 < j && l < 1) && j + 2 <= r + 2 * i) && 2 <= j)) || ((((r + 2 * i + 2 <= 2 * n + j && l < 1) && j + 2 <= r + 2 * i) && r + 1 <= n) && 2 <= j)) || ((((1 <= i && j <= 2 * l) && i + 1 <= n) && n == r) && 2 <= j) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 496.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * CodeCheck took 293973.21 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -838.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 70.66 ms. Allocated memory is still 3.4 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...