./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label17.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0675521d022a764ecdc1621f141761ef94d4be70 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:33:51,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:33:51,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:33:51,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:33:51,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:33:51,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:33:51,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:33:51,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:33:51,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:33:51,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:33:51,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:33:51,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:33:51,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:33:51,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:33:51,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:33:51,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:33:51,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:33:51,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:33:51,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:33:51,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:33:51,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:33:51,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:33:51,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:33:51,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:33:51,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:33:51,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:33:51,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:33:51,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:33:51,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:33:51,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:33:51,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:33:51,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:33:51,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:33:51,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:33:51,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:33:51,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:33:51,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:33:51,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:33:51,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:33:51,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:33:51,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:33:51,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:33:51,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:33:51,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:33:51,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:33:51,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:33:51,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:33:51,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:33:51,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:33:51,734 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:33:51,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:33:51,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:33:51,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:33:51,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:33:51,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:33:51,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:33:51,737 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:33:51,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:33:51,738 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:33:51,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:33:51,738 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:33:51,739 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:33:51,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:33:51,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:33:51,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:33:51,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:33:51,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:33:51,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:33:51,741 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:33:51,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:33:51,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:33:51,741 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0675521d022a764ecdc1621f141761ef94d4be70 [2020-11-30 01:33:52,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:33:52,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:33:52,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:33:52,108 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:33:52,111 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:33:52,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label17.c [2020-11-30 01:33:52,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak/data/958698826/e2c1043711694133a370c82fcbd9e3e2/FLAGe7fde29b4 [2020-11-30 01:33:52,874 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:33:52,875 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/sv-benchmarks/c/eca-rers2012/Problem01_label17.c [2020-11-30 01:33:52,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak/data/958698826/e2c1043711694133a370c82fcbd9e3e2/FLAGe7fde29b4 [2020-11-30 01:33:53,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak/data/958698826/e2c1043711694133a370c82fcbd9e3e2 [2020-11-30 01:33:53,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:33:53,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:33:53,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:33:53,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:33:53,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:33:53,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:33:53" (1/1) ... [2020-11-30 01:33:53,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356a6f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:33:53, skipping insertion in model container [2020-11-30 01:33:53,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:33:53" (1/1) ... [2020-11-30 01:33:53,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:33:53,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:33:53,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:33:53,709 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:33:53,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:33:53,951 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:33:53,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:33:53 WrapperNode [2020-11-30 01:33:53,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:33:53,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:33:53,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:33:53,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:33:53,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:33:53" (1/1) ... [2020-11-30 01:33:53,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:33:53" (1/1) ... [2020-11-30 01:33:54,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:33:54,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:33:54,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:33:54,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:33:54,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:33:53" (1/1) ... [2020-11-30 01:33:54,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:33:53" (1/1) ... [2020-11-30 01:33:54,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:33:53" (1/1) ... [2020-11-30 01:33:54,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:33:53" (1/1) ... [2020-11-30 01:33:54,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:33:53" (1/1) ... [2020-11-30 01:33:54,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:33:53" (1/1) ... [2020-11-30 01:33:54,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:33:53" (1/1) ... [2020-11-30 01:33:54,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:33:54,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:33:54,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:33:54,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:33:54,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:33:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:33:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:33:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:33:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:33:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:33:57,111 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:33:57,112 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:33:57,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:33:57 BoogieIcfgContainer [2020-11-30 01:33:57,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:33:57,115 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:33:57,116 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:33:57,128 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:33:57,129 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:33:57" (1/1) ... [2020-11-30 01:33:57,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:33:57,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:33:57,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2020-11-30 01:33:57,206 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2020-11-30 01:33:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-30 01:33:57,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:33:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:33:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:33:58,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:33:58,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 145 states and 219 transitions. [2020-11-30 01:33:58,665 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 219 transitions. [2020-11-30 01:33:58,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-30 01:33:58,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:33:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:33:58,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:33:59,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:33:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 146 states and 220 transitions. [2020-11-30 01:33:59,292 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 220 transitions. [2020-11-30 01:33:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-30 01:33:59,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:33:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:33:59,376 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:33:59,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:33:59,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 151 states and 227 transitions. [2020-11-30 01:33:59,482 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 227 transitions. [2020-11-30 01:33:59,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 01:33:59,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:33:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:33:59,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:00,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 226 states and 305 transitions. [2020-11-30 01:34:00,968 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 305 transitions. [2020-11-30 01:34:00,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-30 01:34:00,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:01,072 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:01,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:01,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 227 states and 307 transitions. [2020-11-30 01:34:01,269 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 307 transitions. [2020-11-30 01:34:01,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-30 01:34:01,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:01,328 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:01,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:01,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 230 states and 310 transitions. [2020-11-30 01:34:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 310 transitions. [2020-11-30 01:34:01,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-30 01:34:01,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:01,582 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 238 states and 324 transitions. [2020-11-30 01:34:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 324 transitions. [2020-11-30 01:34:02,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-30 01:34:02,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:02,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:02,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 243 states and 329 transitions. [2020-11-30 01:34:02,614 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 329 transitions. [2020-11-30 01:34:02,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-30 01:34:02,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:02,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:02,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 245 states and 331 transitions. [2020-11-30 01:34:02,718 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 331 transitions. [2020-11-30 01:34:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-11-30 01:34:02,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:02,758 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:02,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:02,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 248 states and 334 transitions. [2020-11-30 01:34:02,821 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 334 transitions. [2020-11-30 01:34:02,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-30 01:34:02,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:34:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 261 states and 352 transitions. [2020-11-30 01:34:03,988 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 352 transitions. [2020-11-30 01:34:03,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-30 01:34:03,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:04,052 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:34:04,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:04,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 266 states and 357 transitions. [2020-11-30 01:34:04,275 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 357 transitions. [2020-11-30 01:34:04,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-11-30 01:34:04,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:04,373 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:34:05,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 275 states and 372 transitions. [2020-11-30 01:34:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 372 transitions. [2020-11-30 01:34:05,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-11-30 01:34:05,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:05,555 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:34:05,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 280 states and 377 transitions. [2020-11-30 01:34:05,612 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 377 transitions. [2020-11-30 01:34:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-11-30 01:34:05,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:34:06,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:06,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 288 states and 387 transitions. [2020-11-30 01:34:06,409 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 387 transitions. [2020-11-30 01:34:06,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-30 01:34:06,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:08,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:08,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 300 states and 404 transitions. [2020-11-30 01:34:08,372 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 404 transitions. [2020-11-30 01:34:08,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-30 01:34:08,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:08,432 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:08,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:08,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 303 states and 407 transitions. [2020-11-30 01:34:08,531 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 407 transitions. [2020-11-30 01:34:08,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-30 01:34:08,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:09,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:09,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 320 states and 427 transitions. [2020-11-30 01:34:09,099 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 427 transitions. [2020-11-30 01:34:09,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-30 01:34:09,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 01:34:11,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:11,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 335 states and 450 transitions. [2020-11-30 01:34:11,272 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 450 transitions. [2020-11-30 01:34:11,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-30 01:34:11,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:11,321 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 01:34:11,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:11,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 340 states and 455 transitions. [2020-11-30 01:34:11,378 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 455 transitions. [2020-11-30 01:34:11,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-30 01:34:11,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:34:11,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:11,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 342 states and 456 transitions. [2020-11-30 01:34:11,597 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 456 transitions. [2020-11-30 01:34:11,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-30 01:34:11,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:11,669 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:34:12,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:12,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 356 states and 470 transitions. [2020-11-30 01:34:12,176 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 470 transitions. [2020-11-30 01:34:12,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-11-30 01:34:12,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:12,252 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:34:12,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 370 states and 485 transitions. [2020-11-30 01:34:12,656 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 485 transitions. [2020-11-30 01:34:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-30 01:34:12,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:12,715 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 01:34:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 373 states and 489 transitions. [2020-11-30 01:34:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 489 transitions. [2020-11-30 01:34:12,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-30 01:34:12,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:13,006 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:34:13,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:13,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 382 states and 500 transitions. [2020-11-30 01:34:13,542 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 500 transitions. [2020-11-30 01:34:13,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-30 01:34:13,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:13,605 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:13,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:13,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 401 states and 521 transitions. [2020-11-30 01:34:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 521 transitions. [2020-11-30 01:34:13,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-30 01:34:13,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:34:14,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 420 states and 541 transitions. [2020-11-30 01:34:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 541 transitions. [2020-11-30 01:34:14,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-30 01:34:14,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:14,374 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:14,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:14,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 425 states and 549 transitions. [2020-11-30 01:34:14,472 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 549 transitions. [2020-11-30 01:34:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 01:34:14,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:14,663 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:16,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:16,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 470 states and 597 transitions. [2020-11-30 01:34:16,324 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 597 transitions. [2020-11-30 01:34:16,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 01:34:16,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:34:16,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:16,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 475 states and 603 transitions. [2020-11-30 01:34:16,749 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 603 transitions. [2020-11-30 01:34:16,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-30 01:34:16,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:16,974 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:34:18,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:18,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 517 states and 648 transitions. [2020-11-30 01:34:18,055 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 648 transitions. [2020-11-30 01:34:18,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-11-30 01:34:18,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:18,394 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 68 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:20,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 565 states and 713 transitions. [2020-11-30 01:34:20,624 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 713 transitions. [2020-11-30 01:34:20,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-30 01:34:20,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-30 01:34:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:22,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 611 states and 763 transitions. [2020-11-30 01:34:22,000 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 763 transitions. [2020-11-30 01:34:22,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-11-30 01:34:22,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 01:34:22,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:22,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 614 states and 766 transitions. [2020-11-30 01:34:22,346 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 766 transitions. [2020-11-30 01:34:22,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-11-30 01:34:22,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 01:34:22,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:22,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 617 states and 769 transitions. [2020-11-30 01:34:22,729 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 769 transitions. [2020-11-30 01:34:22,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-30 01:34:22,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:22,840 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:34:23,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 634 states and 788 transitions. [2020-11-30 01:34:23,573 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 788 transitions. [2020-11-30 01:34:23,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-30 01:34:23,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:34:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 636 states and 789 transitions. [2020-11-30 01:34:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 789 transitions. [2020-11-30 01:34:24,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-11-30 01:34:24,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:24,112 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 01:34:24,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 639 states and 792 transitions. [2020-11-30 01:34:24,210 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 792 transitions. [2020-11-30 01:34:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-11-30 01:34:24,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:24,301 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:24,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 659 states and 812 transitions. [2020-11-30 01:34:24,688 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 812 transitions. [2020-11-30 01:34:24,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-30 01:34:24,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:27,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:27,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 799 states and 967 transitions. [2020-11-30 01:34:27,511 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 967 transitions. [2020-11-30 01:34:27,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-30 01:34:27,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:27,609 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:28,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:28,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 822 states and 993 transitions. [2020-11-30 01:34:28,102 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 993 transitions. [2020-11-30 01:34:28,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-30 01:34:28,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-11-30 01:34:28,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:28,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 823 states and 993 transitions. [2020-11-30 01:34:28,519 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 993 transitions. [2020-11-30 01:34:28,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-11-30 01:34:28,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:28,765 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 01:34:30,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:30,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 853 states and 1029 transitions. [2020-11-30 01:34:30,715 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1029 transitions. [2020-11-30 01:34:30,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-11-30 01:34:30,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 01:34:31,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:31,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 855 states and 1030 transitions. [2020-11-30 01:34:31,332 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1030 transitions. [2020-11-30 01:34:31,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 01:34:31,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:31,434 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-30 01:34:31,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 868 states and 1045 transitions. [2020-11-30 01:34:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1045 transitions. [2020-11-30 01:34:31,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 01:34:31,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:32,029 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 01:34:33,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:33,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 901 states and 1082 transitions. [2020-11-30 01:34:33,248 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1082 transitions. [2020-11-30 01:34:33,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 01:34:33,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:33,367 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 01:34:34,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:34,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 909 states and 1092 transitions. [2020-11-30 01:34:34,782 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1092 transitions. [2020-11-30 01:34:34,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 01:34:34,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:34,892 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 01:34:35,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:35,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 914 states and 1097 transitions. [2020-11-30 01:34:35,491 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1097 transitions. [2020-11-30 01:34:35,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-11-30 01:34:35,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:35,609 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-30 01:34:36,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:36,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 939 states and 1124 transitions. [2020-11-30 01:34:36,322 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1124 transitions. [2020-11-30 01:34:36,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-30 01:34:36,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:36,411 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:34:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 940 states and 1126 transitions. [2020-11-30 01:34:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1126 transitions. [2020-11-30 01:34:36,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-11-30 01:34:36,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:36,986 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 110 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 01:34:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 956 states and 1146 transitions. [2020-11-30 01:34:38,106 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1146 transitions. [2020-11-30 01:34:38,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-30 01:34:38,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:38,216 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:34:39,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:39,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 986 states and 1180 transitions. [2020-11-30 01:34:39,623 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1180 transitions. [2020-11-30 01:34:39,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-30 01:34:39,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 01:34:40,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:40,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1005 states and 1198 transitions. [2020-11-30 01:34:40,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1198 transitions. [2020-11-30 01:34:40,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-30 01:34:40,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:41,075 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 01:34:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:41,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1007 states and 1199 transitions. [2020-11-30 01:34:41,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1199 transitions. [2020-11-30 01:34:41,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-30 01:34:41,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:41,732 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-30 01:34:42,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:42,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1039 states and 1238 transitions. [2020-11-30 01:34:42,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1238 transitions. [2020-11-30 01:34:42,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-30 01:34:42,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:43,020 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-30 01:34:43,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:43,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1041 states and 1240 transitions. [2020-11-30 01:34:43,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1240 transitions. [2020-11-30 01:34:43,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-11-30 01:34:43,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 108 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:44,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1064 states and 1264 transitions. [2020-11-30 01:34:44,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1264 transitions. [2020-11-30 01:34:44,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-11-30 01:34:44,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:44,330 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 109 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:44,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:44,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1065 states and 1265 transitions. [2020-11-30 01:34:44,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1265 transitions. [2020-11-30 01:34:44,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-11-30 01:34:44,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:45,075 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 110 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:47,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:47,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1101 states and 1305 transitions. [2020-11-30 01:34:47,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1305 transitions. [2020-11-30 01:34:47,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-11-30 01:34:47,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 138 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:49,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1133 states and 1340 transitions. [2020-11-30 01:34:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1340 transitions. [2020-11-30 01:34:49,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-30 01:34:49,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:56,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:56,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1248 states and 1476 transitions. [2020-11-30 01:34:56,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1476 transitions. [2020-11-30 01:34:56,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-30 01:34:56,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:58,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:58,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1289 states and 1518 transitions. [2020-11-30 01:34:58,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1518 transitions. [2020-11-30 01:34:58,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-11-30 01:34:58,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-11-30 01:34:58,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:58,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1291 states and 1520 transitions. [2020-11-30 01:34:58,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1520 transitions. [2020-11-30 01:34:58,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-11-30 01:34:58,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:58,516 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-11-30 01:34:59,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:34:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1298 states and 1527 transitions. [2020-11-30 01:34:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1527 transitions. [2020-11-30 01:34:59,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-11-30 01:34:59,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:34:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:59,345 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-30 01:35:01,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:01,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1344 states and 1576 transitions. [2020-11-30 01:35:01,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1576 transitions. [2020-11-30 01:35:01,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-11-30 01:35:01,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 126 proven. 69 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:35:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:08,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1477 states and 1737 transitions. [2020-11-30 01:35:08,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1737 transitions. [2020-11-30 01:35:08,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-11-30 01:35:08,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:08,492 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 167 proven. 46 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 01:35:11,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:11,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1516 states and 1782 transitions. [2020-11-30 01:35:11,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1782 transitions. [2020-11-30 01:35:11,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-30 01:35:11,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-11-30 01:35:14,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:14,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1566 states and 1839 transitions. [2020-11-30 01:35:14,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1839 transitions. [2020-11-30 01:35:14,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-30 01:35:14,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-11-30 01:35:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:15,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1568 states and 1840 transitions. [2020-11-30 01:35:15,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1840 transitions. [2020-11-30 01:35:15,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-30 01:35:15,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:15,496 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-11-30 01:35:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:16,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1638 states and 1912 transitions. [2020-11-30 01:35:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 1912 transitions. [2020-11-30 01:35:16,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-11-30 01:35:16,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 143 proven. 86 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-30 01:35:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:20,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 1736 states and 2018 transitions. [2020-11-30 01:35:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2018 transitions. [2020-11-30 01:35:20,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-11-30 01:35:20,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:21,186 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:35:25,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:25,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 1799 states and 2088 transitions. [2020-11-30 01:35:25,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2088 transitions. [2020-11-30 01:35:25,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-11-30 01:35:25,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:26,071 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:35:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:27,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1826 states and 2115 transitions. [2020-11-30 01:35:27,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2115 transitions. [2020-11-30 01:35:27,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-11-30 01:35:27,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:35:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:29,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1837 states and 2125 transitions. [2020-11-30 01:35:29,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2125 transitions. [2020-11-30 01:35:29,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-11-30 01:35:29,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:29,714 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2020-11-30 01:35:30,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1838 states and 2125 transitions. [2020-11-30 01:35:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2125 transitions. [2020-11-30 01:35:30,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-11-30 01:35:30,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 233 proven. 86 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-11-30 01:35:32,806 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2020-11-30 01:35:36,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 1860 states and 2153 transitions. [2020-11-30 01:35:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2153 transitions. [2020-11-30 01:35:36,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-11-30 01:35:36,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-11-30 01:35:39,889 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-11-30 01:35:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 1911 states and 2210 transitions. [2020-11-30 01:35:42,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2210 transitions. [2020-11-30 01:35:42,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-11-30 01:35:42,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:42,367 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-11-30 01:35:43,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:43,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1927 states and 2226 transitions. [2020-11-30 01:35:43,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 2226 transitions. [2020-11-30 01:35:43,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-11-30 01:35:43,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 312 proven. 64 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-30 01:35:47,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 1996 states and 2298 transitions. [2020-11-30 01:35:47,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 2298 transitions. [2020-11-30 01:35:47,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-11-30 01:35:47,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:47,912 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 312 proven. 64 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-30 01:35:50,258 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-11-30 01:35:50,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:50,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2030 states and 2331 transitions. [2020-11-30 01:35:50,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2331 transitions. [2020-11-30 01:35:50,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-11-30 01:35:50,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:51,007 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-11-30 01:35:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2031 states and 2331 transitions. [2020-11-30 01:35:51,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2331 transitions. [2020-11-30 01:35:51,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-11-30 01:35:51,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-30 01:35:58,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:58,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2107 states and 2412 transitions. [2020-11-30 01:35:58,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2412 transitions. [2020-11-30 01:35:58,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-11-30 01:35:58,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:58,299 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-30 01:35:59,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:35:59,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2123 states and 2426 transitions. [2020-11-30 01:35:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2426 transitions. [2020-11-30 01:35:59,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-11-30 01:35:59,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:35:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:35:59,788 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-11-30 01:36:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:00,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2156 states and 2458 transitions. [2020-11-30 01:36:00,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 2458 transitions. [2020-11-30 01:36:00,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-11-30 01:36:00,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:01,599 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 396 proven. 106 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-11-30 01:36:06,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:06,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2264 states and 2580 transitions. [2020-11-30 01:36:06,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 2580 transitions. [2020-11-30 01:36:06,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-11-30 01:36:06,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:07,297 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 411 proven. 84 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-11-30 01:36:11,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2301 states and 2625 transitions. [2020-11-30 01:36:11,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2625 transitions. [2020-11-30 01:36:11,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-11-30 01:36:11,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 411 proven. 84 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-11-30 01:36:13,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:13,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2318 states and 2645 transitions. [2020-11-30 01:36:13,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2645 transitions. [2020-11-30 01:36:13,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-11-30 01:36:13,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:13,350 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 411 proven. 84 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-11-30 01:36:14,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:14,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2327 states and 2654 transitions. [2020-11-30 01:36:14,074 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 2654 transitions. [2020-11-30 01:36:14,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-11-30 01:36:14,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:14,361 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-11-30 01:36:17,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:17,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2352 states and 2690 transitions. [2020-11-30 01:36:17,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 2690 transitions. [2020-11-30 01:36:17,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-11-30 01:36:17,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:17,516 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-11-30 01:36:18,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:18,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 2361 states and 2699 transitions. [2020-11-30 01:36:18,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 2699 transitions. [2020-11-30 01:36:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-11-30 01:36:18,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-11-30 01:36:19,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:19,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2371 states and 2709 transitions. [2020-11-30 01:36:19,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 2709 transitions. [2020-11-30 01:36:19,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-11-30 01:36:19,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-11-30 01:36:23,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:23,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2446 states and 2790 transitions. [2020-11-30 01:36:23,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 2790 transitions. [2020-11-30 01:36:23,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-11-30 01:36:23,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:24,201 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-11-30 01:36:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2448 states and 2793 transitions. [2020-11-30 01:36:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2793 transitions. [2020-11-30 01:36:24,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-11-30 01:36:24,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 434 proven. 103 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-11-30 01:36:30,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:30,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2575 states and 2926 transitions. [2020-11-30 01:36:30,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 2926 transitions. [2020-11-30 01:36:30,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-11-30 01:36:30,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:30,932 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 551 proven. 132 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-11-30 01:36:38,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:38,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3058 states to 2693 states and 3058 transitions. [2020-11-30 01:36:38,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 3058 transitions. [2020-11-30 01:36:38,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-11-30 01:36:38,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:38,874 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 533 proven. 110 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-11-30 01:36:42,074 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2020-11-30 01:36:45,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:45,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 2742 states and 3117 transitions. [2020-11-30 01:36:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2742 states and 3117 transitions. [2020-11-30 01:36:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-11-30 01:36:45,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:46,149 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 533 proven. 110 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-11-30 01:36:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 2751 states and 3127 transitions. [2020-11-30 01:36:47,099 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 3127 transitions. [2020-11-30 01:36:47,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-11-30 01:36:47,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:48,158 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 528 proven. 114 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 01:36:55,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:36:55,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3256 states to 2870 states and 3256 transitions. [2020-11-30 01:36:55,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 3256 transitions. [2020-11-30 01:36:55,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-11-30 01:36:55,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:36:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 410 proven. 182 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-11-30 01:37:06,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:37:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 2974 states and 3384 transitions. [2020-11-30 01:37:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 3384 transitions. [2020-11-30 01:37:06,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-11-30 01:37:06,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:37:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:37:08,432 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 500 proven. 206 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-30 01:37:14,593 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-11-30 01:37:15,408 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2020-11-30 01:37:16,408 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-11-30 01:37:17,254 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-11-30 01:37:18,099 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-11-30 01:37:25,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:37:25,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3534 states to 3099 states and 3534 transitions. [2020-11-30 01:37:25,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 3534 transitions. [2020-11-30 01:37:25,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-11-30 01:37:25,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:37:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:37:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 500 proven. 206 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-30 01:37:26,948 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2020-11-30 01:37:28,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:37:28,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3554 states to 3115 states and 3554 transitions. [2020-11-30 01:37:28,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3554 transitions. [2020-11-30 01:37:28,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-11-30 01:37:28,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:37:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:37:29,144 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 500 proven. 206 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-30 01:37:31,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:37:31,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3566 states to 3125 states and 3566 transitions. [2020-11-30 01:37:31,909 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 3566 transitions. [2020-11-30 01:37:31,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-11-30 01:37:31,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:37:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:37:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 500 proven. 206 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-30 01:37:34,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:37:34,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3576 states to 3134 states and 3576 transitions. [2020-11-30 01:37:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 3576 transitions. [2020-11-30 01:37:34,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-11-30 01:37:34,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:37:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:37:35,571 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 543 proven. 150 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-30 01:37:41,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:37:41,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3610 states to 3163 states and 3610 transitions. [2020-11-30 01:37:41,026 INFO L276 IsEmpty]: Start isEmpty. Operand 3163 states and 3610 transitions. [2020-11-30 01:37:41,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-11-30 01:37:41,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:37:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:37:41,201 INFO L134 CoverageAnalysis]: Checked inductivity of 833 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2020-11-30 01:37:42,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:37:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3627 states to 3180 states and 3627 transitions. [2020-11-30 01:37:42,653 INFO L276 IsEmpty]: Start isEmpty. Operand 3180 states and 3627 transitions. [2020-11-30 01:37:42,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-11-30 01:37:42,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:37:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:37:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 428 proven. 133 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-11-30 01:37:46,201 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-11-30 01:37:48,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:37:48,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3203 states and 3654 transitions. [2020-11-30 01:37:48,864 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 3654 transitions. [2020-11-30 01:37:48,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-11-30 01:37:48,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:37:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:37:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 430 proven. 182 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-11-30 01:37:53,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:37:53,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 3232 states and 3689 transitions. [2020-11-30 01:37:53,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 3689 transitions. [2020-11-30 01:37:53,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-11-30 01:37:53,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:37:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:37:54,882 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 614 proven. 153 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-30 01:38:03,197 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2020-11-30 01:38:04,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:38:04,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3182 states and 3641 transitions. [2020-11-30 01:38:04,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3182 states and 3641 transitions. [2020-11-30 01:38:04,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:38:04,934 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 109 iterations. [2020-11-30 01:38:04,947 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 01:38:05,838 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 30 [2020-11-30 01:38:06,298 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 30 [2020-11-30 01:38:07,056 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 31 [2020-11-30 01:38:07,553 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 30 [2020-11-30 01:38:08,263 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 30 [2020-11-30 01:38:09,021 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-11-30 01:38:09,515 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 30 [2020-11-30 01:38:10,279 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-11-30 01:38:10,803 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 30 [2020-11-30 01:38:11,492 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 30 [2020-11-30 01:38:12,059 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 30 [2020-11-30 01:38:12,622 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 30 [2020-11-30 01:38:13,391 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-11-30 01:38:14,111 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 30 [2020-11-30 01:38:14,573 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 30 [2020-11-30 01:38:15,154 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 30 [2020-11-30 01:38:15,882 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-11-30 01:38:16,390 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 30 [2020-11-30 01:38:17,122 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 30 [2020-11-30 01:38:17,627 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 30 [2020-11-30 01:38:18,350 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 30 [2020-11-30 01:38:19,055 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-11-30 01:38:19,517 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 30 [2020-11-30 01:38:20,307 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 31 [2020-11-30 01:38:21,083 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-11-30 01:38:21,571 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 30 [2020-11-30 01:38:22,331 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-11-30 01:38:22,886 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 30 [2020-11-30 01:38:23,627 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 30 [2020-11-30 01:38:24,130 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2020-11-30 01:38:25,014 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 31 [2020-11-30 01:38:25,631 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 30 [2020-11-30 01:38:26,130 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 30 [2020-11-30 01:38:26,647 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 30 [2020-11-30 01:38:27,410 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 30 [2020-11-30 01:38:28,212 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 30 [2020-11-30 01:38:28,987 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 30 [2020-11-30 01:38:29,477 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 30 [2020-11-30 01:38:30,207 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 30 [2020-11-30 01:38:30,684 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 30 [2020-11-30 01:38:31,427 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-11-30 01:38:31,948 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 30 [2020-11-30 01:38:32,870 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 31 [2020-11-30 01:38:33,662 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-11-30 01:38:34,419 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-11-30 01:38:34,921 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 30 [2020-11-30 01:38:35,688 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 30 [2020-11-30 01:38:36,476 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 31 [2020-11-30 01:38:37,205 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-11-30 01:38:37,965 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 30 [2020-11-30 01:38:38,708 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 30 [2020-11-30 01:38:39,627 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-11-30 01:38:40,394 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 31 [2020-11-30 01:38:41,139 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-11-30 01:38:41,598 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 30 [2020-11-30 01:38:42,368 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 31 [2020-11-30 01:38:43,127 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 30 [2020-11-30 01:38:43,899 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 30 [2020-11-30 01:38:44,409 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 30 [2020-11-30 01:38:45,162 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-11-30 01:38:45,324 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 22 [2020-11-30 01:38:46,082 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 30 [2020-11-30 01:38:47,004 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 30 [2020-11-30 01:38:47,806 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 30 [2020-11-30 01:38:48,343 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 30 [2020-11-30 01:38:49,066 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 30 [2020-11-30 01:38:49,565 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 30 [2020-11-30 01:38:50,327 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 31 [2020-11-30 01:38:50,818 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 30 [2020-11-30 01:38:51,589 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 30 [2020-11-30 01:38:51,589 INFO L569 CodeCheckObserver]: Invariant with dag size 31 [2020-11-30 01:38:51,602 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:38:51,602 INFO L569 CodeCheckObserver]: Invariant with dag size 31 [2020-11-30 01:38:51,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:38:51 ImpRootNode [2020-11-30 01:38:51,604 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:38:51,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:38:51,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:38:51,605 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:38:51,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:33:57" (3/4) ... [2020-11-30 01:38:51,609 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:38:51,633 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2020-11-30 01:38:51,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-30 01:38:51,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 01:38:51,651 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:38:51,843 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c9ef0deb-0ad6-403a-ae05-90ac0093cc60/bin/ukojak/witness.graphml [2020-11-30 01:38:51,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:38:51,844 INFO L168 Benchmark]: Toolchain (without parser) took 298742.74 ms. Allocated memory was 90.2 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 57.3 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 711.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:38:51,845 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory was 49.3 MB in the beginning and 49.3 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:38:51,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 848.69 ms. Allocated memory is still 90.2 MB. Free memory was 57.1 MB in the beginning and 50.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:38:51,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.71 ms. Allocated memory is still 90.2 MB. Free memory was 50.6 MB in the beginning and 45.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:38:51,846 INFO L168 Benchmark]: Boogie Preprocessor took 113.98 ms. Allocated memory is still 90.2 MB. Free memory was 45.1 MB in the beginning and 40.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:38:51,847 INFO L168 Benchmark]: RCFGBuilder took 2944.45 ms. Allocated memory was 90.2 MB in the beginning and 140.5 MB in the end (delta: 50.3 MB). Free memory was 40.4 MB in the beginning and 90.8 MB in the end (delta: -50.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:38:51,848 INFO L168 Benchmark]: CodeCheck took 294489.01 ms. Allocated memory was 140.5 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 90.8 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. [2020-11-30 01:38:51,848 INFO L168 Benchmark]: Witness Printer took 238.14 ms. Allocated memory is still 2.8 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:38:51,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 247.7s, OverallIterations: 109, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -2063437752 SDtfs, -1350428716 SDslu, 504276400 SDs, 0 SdLazy, -129581610 SolverSat, 1996884970 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 823.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 142188 GetRequests, 135735 SyntacticMatches, 5307 SemanticMatches, 1146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 883502 ImplicationChecksByTransitivity, 198.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.9s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 21198 NumberOfCodeBlocks, 21198 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 21090 ConstructedInterpolants, 0 QuantifiedInterpolants, 26656259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 108 InterpolantComputations, 72 PerfectInterpolantSequences, 24878/28485 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: 12]: 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: 593]: Loop Invariant Derived loop invariant: ((((((((a20 == a17 && a21 == 1) && a12 == 8) && 5 == a16) && !(a20 == 1)) || ((((a21 == 1 && a12 == 8) && a20 == 1) && a16 == 4) && !(a7 == 1))) || ((((a20 == a17 && a21 == 1) && a12 == 8) && a16 == 4) && !(a20 == 1))) || (((((a21 == 1 && a7 == 1) && !(a17 == 1)) && a12 == 8) && a20 == 1) && 5 == a16)) || a8 <= 13) || 15 <= a8 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((a20 == a17 && a21 == 1) && a12 == 8) && 5 == a16) && !(a20 == 1)) || ((((a21 == 1 && a12 == 8) && a20 == 1) && a16 == 4) && !(a7 == 1))) || ((((a20 == a17 && a21 == 1) && a12 == 8) && a16 == 4) && !(a20 == 1))) || (((((a21 == 1 && a7 == 1) && !(a17 == 1)) && a12 == 8) && a20 == 1) && 5 == a16)) || 15 <= a8) || a8 <= 13 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory was 49.3 MB in the beginning and 49.3 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 848.69 ms. Allocated memory is still 90.2 MB. Free memory was 57.1 MB in the beginning and 50.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.71 ms. Allocated memory is still 90.2 MB. Free memory was 50.6 MB in the beginning and 45.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 113.98 ms. Allocated memory is still 90.2 MB. Free memory was 45.1 MB in the beginning and 40.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2944.45 ms. Allocated memory was 90.2 MB in the beginning and 140.5 MB in the end (delta: 50.3 MB). Free memory was 40.4 MB in the beginning and 90.8 MB in the end (delta: -50.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * CodeCheck took 294489.01 ms. Allocated memory was 140.5 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 90.8 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. * Witness Printer took 238.14 ms. Allocated memory is still 2.8 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...