./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_14-1.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_fda01b1c-be44-4930-aa6c-06ea6587020c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fda01b1c-be44-4930-aa6c-06ea6587020c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fda01b1c-be44-4930-aa6c-06ea6587020c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fda01b1c-be44-4930-aa6c-06ea6587020c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_14-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fda01b1c-be44-4930-aa6c-06ea6587020c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fda01b1c-be44-4930-aa6c-06ea6587020c/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 1e59705ae4b9d6434bb0d27311e7a023ef1b3945 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:22:38,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:22:38,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:22:38,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:22:38,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:22:38,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:22:38,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:22:38,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:22:38,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:22:38,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:22:38,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:22:38,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:22:38,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:22:38,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:22:38,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:22:38,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:22:38,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:22:38,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:22:38,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:22:38,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:22:38,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:22:38,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:22:38,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:22:38,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:22:38,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:22:38,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:22:38,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:22:38,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:22:38,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:22:38,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:22:38,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:22:38,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:22:38,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:22:38,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:22:38,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:22:38,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:22:38,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:22:38,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:22:38,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:22:38,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:22:38,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:22:38,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fda01b1c-be44-4930-aa6c-06ea6587020c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:22:38,809 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:22:38,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:22:38,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:22:38,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:22:38,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:22:38,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:22:38,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:22:38,812 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:22:38,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:22:38,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:22:38,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:22:38,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:22:38,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:22:38,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:22:38,814 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:22:38,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:22:38,814 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:22:38,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:22:38,815 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:22:38,815 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:22:38,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:22:38,816 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:22:38,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:22:38,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:22:38,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:22:38,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:22:38,817 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:22:38,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:22:38,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:22:38,818 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_fda01b1c-be44-4930-aa6c-06ea6587020c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fda01b1c-be44-4930-aa6c-06ea6587020c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e59705ae4b9d6434bb0d27311e7a023ef1b3945 [2020-11-30 00:22:39,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:22:39,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:22:39,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:22:39,109 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:22:39,111 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:22:39,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fda01b1c-be44-4930-aa6c-06ea6587020c/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_14-1.c [2020-11-30 00:22:39,192 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fda01b1c-be44-4930-aa6c-06ea6587020c/bin/ukojak/data/88150efec/3e70c9e04af0407ba9a09ca470b33a23/FLAG6443f9b7d [2020-11-30 00:22:39,826 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:22:39,826 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fda01b1c-be44-4930-aa6c-06ea6587020c/sv-benchmarks/c/locks/test_locks_14-1.c [2020-11-30 00:22:39,842 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fda01b1c-be44-4930-aa6c-06ea6587020c/bin/ukojak/data/88150efec/3e70c9e04af0407ba9a09ca470b33a23/FLAG6443f9b7d [2020-11-30 00:22:40,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fda01b1c-be44-4930-aa6c-06ea6587020c/bin/ukojak/data/88150efec/3e70c9e04af0407ba9a09ca470b33a23 [2020-11-30 00:22:40,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:22:40,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:22:40,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:22:40,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:22:40,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:22:40,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:22:40" (1/1) ... [2020-11-30 00:22:40,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c88a7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:22:40, skipping insertion in model container [2020-11-30 00:22:40,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:22:40" (1/1) ... [2020-11-30 00:22:40,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:22:40,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:22:40,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:22:40,413 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:22:40,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:22:40,504 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:22:40,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:22:40 WrapperNode [2020-11-30 00:22:40,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:22:40,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:22:40,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:22:40,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:22:40,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:22:40" (1/1) ... [2020-11-30 00:22:40,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:22:40" (1/1) ... [2020-11-30 00:22:40,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:22:40,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:22:40,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:22:40,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:22:40,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:22:40" (1/1) ... [2020-11-30 00:22:40,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:22:40" (1/1) ... [2020-11-30 00:22:40,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:22:40" (1/1) ... [2020-11-30 00:22:40,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:22:40" (1/1) ... [2020-11-30 00:22:40,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:22:40" (1/1) ... [2020-11-30 00:22:40,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:22:40" (1/1) ... [2020-11-30 00:22:40,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:22:40" (1/1) ... [2020-11-30 00:22:40,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:22:40,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:22:40,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:22:40,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:22:40,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:22:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fda01b1c-be44-4930-aa6c-06ea6587020c/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 00:22:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:22:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:22:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:22:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:22:41,820 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:22:41,821 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-30 00:22:41,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:22:41 BoogieIcfgContainer [2020-11-30 00:22:41,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:22:41,826 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:22:41,827 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:22:41,839 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:22:41,839 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:22:41" (1/1) ... [2020-11-30 00:22:41,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:22:41,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2020-11-30 00:22:41,903 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2020-11-30 00:22:41,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 00:22:41,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:42,172 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 00:22:42,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:42,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2020-11-30 00:22:42,260 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2020-11-30 00:22:42,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 00:22:42,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:42,385 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 00:22:42,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:42,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2020-11-30 00:22:42,580 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2020-11-30 00:22:42,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 00:22:42,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:42,650 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 00:22:42,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2020-11-30 00:22:42,810 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2020-11-30 00:22:42,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 00:22:42,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:42,935 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 00:22:43,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:43,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2020-11-30 00:22:43,307 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2020-11-30 00:22:43,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:22:43,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:43,366 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 00:22:43,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:43,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2020-11-30 00:22:43,644 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2020-11-30 00:22:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:22:43,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:43,686 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 00:22:43,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:43,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2020-11-30 00:22:43,817 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2020-11-30 00:22:43,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:22:43,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:43,935 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 00:22:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:44,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2020-11-30 00:22:44,562 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2020-11-30 00:22:44,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:22:44,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:44,586 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 00:22:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2020-11-30 00:22:44,759 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2020-11-30 00:22:44,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:22:44,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:44,802 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 00:22:44,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:44,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2020-11-30 00:22:44,963 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2020-11-30 00:22:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:22:44,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:45,096 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 00:22:46,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:46,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2020-11-30 00:22:46,219 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2020-11-30 00:22:46,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:22:46,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:46,243 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 00:22:46,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:46,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2020-11-30 00:22:46,426 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2020-11-30 00:22:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:22:46,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:46,466 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 00:22:46,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:46,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2020-11-30 00:22:46,695 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2020-11-30 00:22:46,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:22:46,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:46,742 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 00:22:46,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:46,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2020-11-30 00:22:46,969 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2020-11-30 00:22:46,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:22:46,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:46,992 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 00:22:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2020-11-30 00:22:47,189 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2020-11-30 00:22:47,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:22:47,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:47,374 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 00:22:48,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2020-11-30 00:22:48,788 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2020-11-30 00:22:48,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:22:48,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:48,809 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 00:22:49,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:49,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2020-11-30 00:22:49,092 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2020-11-30 00:22:49,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:22:49,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:49,113 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 00:22:49,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:49,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2020-11-30 00:22:49,479 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2020-11-30 00:22:49,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:22:49,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:49,500 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 00:22:49,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:49,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2020-11-30 00:22:49,904 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2020-11-30 00:22:49,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:22:49,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:49,925 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 00:22:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:50,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2020-11-30 00:22:50,283 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2020-11-30 00:22:50,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:22:50,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:50,303 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 00:22:50,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2020-11-30 00:22:50,623 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2020-11-30 00:22:50,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:22:50,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:50,854 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 00:22:53,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:53,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2020-11-30 00:22:53,691 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2020-11-30 00:22:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:22:53,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:53,712 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 00:22:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2020-11-30 00:22:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2020-11-30 00:22:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:22:54,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:54,206 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 00:22:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:54,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2020-11-30 00:22:54,753 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2020-11-30 00:22:54,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:22:54,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:54,772 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 00:22:55,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2020-11-30 00:22:55,206 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2020-11-30 00:22:55,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:22:55,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:55,266 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 00:22:55,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:55,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2020-11-30 00:22:55,669 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2020-11-30 00:22:55,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:22:55,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:55,687 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 00:22:55,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:55,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2020-11-30 00:22:55,987 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2020-11-30 00:22:55,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:22:55,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:56,220 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 00:22:59,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:59,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2020-11-30 00:22:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2020-11-30 00:22:59,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:22:59,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:59,351 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 00:22:59,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:59,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2020-11-30 00:22:59,713 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2020-11-30 00:22:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:22:59,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:59,731 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 00:23:00,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:00,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2020-11-30 00:23:00,194 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2020-11-30 00:23:00,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 00:23:00,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:00,211 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 00:23:00,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2020-11-30 00:23:00,859 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2020-11-30 00:23:00,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 00:23:00,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:00,877 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 00:23:01,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:01,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2020-11-30 00:23:01,353 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2020-11-30 00:23:01,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 00:23:01,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:01,381 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 00:23:01,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:01,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2020-11-30 00:23:01,876 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2020-11-30 00:23:01,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 00:23:01,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:01,893 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 00:23:02,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:02,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2020-11-30 00:23:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2020-11-30 00:23:02,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 00:23:02,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:02,794 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 00:23:07,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:07,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 53 states and 93 transitions. [2020-11-30 00:23:07,187 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 93 transitions. [2020-11-30 00:23:07,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 00:23:07,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:07,204 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 00:23:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2020-11-30 00:23:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2020-11-30 00:23:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 00:23:07,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:07,629 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 00:23:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:08,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2020-11-30 00:23:08,218 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2020-11-30 00:23:08,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 00:23:08,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:08,238 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 00:23:08,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:08,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2020-11-30 00:23:08,807 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2020-11-30 00:23:08,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 00:23:08,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:08,824 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 00:23:09,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2020-11-30 00:23:09,571 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2020-11-30 00:23:09,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 00:23:09,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:09,588 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 00:23:10,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2020-11-30 00:23:10,273 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2020-11-30 00:23:10,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 00:23:10,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:10,301 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 00:23:11,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2020-11-30 00:23:11,081 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2020-11-30 00:23:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 00:23:11,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:11,097 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 00:23:11,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:11,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2020-11-30 00:23:11,632 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2020-11-30 00:23:11,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 00:23:11,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:11,649 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 00:23:12,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:12,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2020-11-30 00:23:12,151 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2020-11-30 00:23:12,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 00:23:12,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:12,505 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 00:23:18,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:18,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 56 states and 98 transitions. [2020-11-30 00:23:18,721 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2020-11-30 00:23:18,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 00:23:18,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:18,736 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 00:23:19,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:19,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 57 states and 98 transitions. [2020-11-30 00:23:19,236 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 98 transitions. [2020-11-30 00:23:19,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 00:23:19,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:19,255 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 00:23:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:19,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2020-11-30 00:23:19,847 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2020-11-30 00:23:19,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 00:23:19,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:19,865 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 00:23:20,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:20,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2020-11-30 00:23:20,537 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2020-11-30 00:23:20,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:23:20,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:20,551 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 00:23:21,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:21,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2020-11-30 00:23:21,447 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2020-11-30 00:23:21,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:23:21,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:21,463 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 00:23:22,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:22,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2020-11-30 00:23:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2020-11-30 00:23:22,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:23:22,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:22,342 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 00:23:23,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2020-11-30 00:23:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2020-11-30 00:23:23,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:23:23,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:23,062 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 00:23:23,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:23,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2020-11-30 00:23:23,709 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2020-11-30 00:23:23,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:23:23,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:23,726 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 00:23:24,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:24,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2020-11-30 00:23:24,444 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2020-11-30 00:23:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:23:24,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:24,828 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 00:23:32,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 58 states and 103 transitions. [2020-11-30 00:23:32,528 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2020-11-30 00:23:32,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:23:32,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:32,543 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 00:23:33,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:33,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 103 transitions. [2020-11-30 00:23:33,152 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2020-11-30 00:23:33,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:23:33,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:33,168 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 00:23:33,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:33,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 103 transitions. [2020-11-30 00:23:33,861 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 103 transitions. [2020-11-30 00:23:33,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:23:33,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:33,876 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 00:23:34,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:34,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2020-11-30 00:23:34,599 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2020-11-30 00:23:34,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:23:34,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:34,612 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 00:23:35,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:35,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2020-11-30 00:23:35,382 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2020-11-30 00:23:35,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:23:35,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:35,398 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 00:23:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2020-11-30 00:23:36,341 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2020-11-30 00:23:36,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:23:36,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:36,368 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 00:23:37,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2020-11-30 00:23:37,346 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2020-11-30 00:23:37,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:23:37,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:37,361 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 00:23:38,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:38,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2020-11-30 00:23:38,182 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2020-11-30 00:23:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:23:38,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:38,204 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 00:23:39,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:39,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2020-11-30 00:23:39,063 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2020-11-30 00:23:39,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:23:39,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:39,079 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 00:23:39,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:39,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2020-11-30 00:23:39,819 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2020-11-30 00:23:39,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:23:39,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:40,472 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 00:23:41,734 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-11-30 00:23:50,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:50,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 60 states and 108 transitions. [2020-11-30 00:23:50,536 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2020-11-30 00:23:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:23:50,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:50,548 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 00:23:51,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:51,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 61 states and 108 transitions. [2020-11-30 00:23:51,310 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 108 transitions. [2020-11-30 00:23:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:23:51,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:51,326 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 00:23:52,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:52,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 62 states and 108 transitions. [2020-11-30 00:23:52,108 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2020-11-30 00:23:52,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:23:52,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:52,129 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 00:23:52,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:52,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 108 transitions. [2020-11-30 00:23:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2020-11-30 00:23:52,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:23:52,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:52,963 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 00:23:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:53,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2020-11-30 00:23:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2020-11-30 00:23:53,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:23:53,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:53,755 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 00:23:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:54,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2020-11-30 00:23:54,709 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2020-11-30 00:23:54,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:23:54,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:54,722 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 00:23:55,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 47 states and 81 transitions. [2020-11-30 00:23:55,853 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 81 transitions. [2020-11-30 00:23:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:23:55,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:55,873 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 00:23:56,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:56,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2020-11-30 00:23:56,953 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2020-11-30 00:23:56,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:23:56,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:56,967 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 00:23:57,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:57,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2020-11-30 00:23:57,880 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2020-11-30 00:23:57,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:23:57,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:57,894 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 00:23:58,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:58,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2020-11-30 00:23:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2020-11-30 00:23:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:23:58,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:58,951 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 00:23:59,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:59,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2020-11-30 00:23:59,754 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2020-11-30 00:23:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:23:59,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:59,767 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 00:24:00,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:00,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 78 transitions. [2020-11-30 00:24:00,533 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2020-11-30 00:24:00,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:24:00,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:01,048 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 00:24:13,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:13,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 63 states and 113 transitions. [2020-11-30 00:24:13,598 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 113 transitions. [2020-11-30 00:24:13,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:24:13,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:13,610 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 00:24:14,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:14,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 113 transitions. [2020-11-30 00:24:14,527 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2020-11-30 00:24:14,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:24:14,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:14,538 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 00:24:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 65 states and 113 transitions. [2020-11-30 00:24:15,371 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2020-11-30 00:24:15,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:24:15,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:15,384 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 00:24:16,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:16,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 66 states and 113 transitions. [2020-11-30 00:24:16,296 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 113 transitions. [2020-11-30 00:24:16,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:24:16,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:16,306 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 00:24:17,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:17,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2020-11-30 00:24:17,239 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2020-11-30 00:24:17,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:24:17,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:17,251 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 00:24:17,636 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-11-30 00:24:18,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:18,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2020-11-30 00:24:18,440 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2020-11-30 00:24:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:24:18,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:18,454 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 00:24:19,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:19,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 48 states and 83 transitions. [2020-11-30 00:24:19,800 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions. [2020-11-30 00:24:19,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:24:19,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:19,814 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 00:24:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:21,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2020-11-30 00:24:21,009 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2020-11-30 00:24:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:24:21,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:21,020 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 00:24:22,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:22,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2020-11-30 00:24:22,333 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2020-11-30 00:24:22,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:24:22,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:22,344 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 00:24:23,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:23,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2020-11-30 00:24:23,536 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2020-11-30 00:24:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:24:23,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:23,550 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 00:24:24,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:24,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2020-11-30 00:24:24,621 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2020-11-30 00:24:24,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:24:24,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:24,634 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 00:24:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:25,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2020-11-30 00:24:25,632 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2020-11-30 00:24:25,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:24:25,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:25,646 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 00:24:26,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:26,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 52 states and 80 transitions. [2020-11-30 00:24:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 80 transitions. [2020-11-30 00:24:26,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:24:26,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:27,145 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 00:24:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 66 states and 118 transitions. [2020-11-30 00:24:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 118 transitions. [2020-11-30 00:24:42,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:24:42,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:42,963 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 00:24:44,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 67 states and 118 transitions. [2020-11-30 00:24:44,037 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 118 transitions. [2020-11-30 00:24:44,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:24:44,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:44,048 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 00:24:45,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:45,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 68 states and 118 transitions. [2020-11-30 00:24:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 118 transitions. [2020-11-30 00:24:45,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:24:45,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:45,159 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 00:24:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:46,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 69 states and 118 transitions. [2020-11-30 00:24:46,795 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 118 transitions. [2020-11-30 00:24:46,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:24:46,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:46,807 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 00:24:47,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:47,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2020-11-30 00:24:47,952 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2020-11-30 00:24:47,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:24:47,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:47,962 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 00:24:49,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:49,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2020-11-30 00:24:49,093 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2020-11-30 00:24:49,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:24:49,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:49,105 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 00:24:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 85 transitions. [2020-11-30 00:24:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2020-11-30 00:24:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:24:50,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:50,646 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 00:24:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2020-11-30 00:24:52,499 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2020-11-30 00:24:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:24:52,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:52,514 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 00:24:53,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:53,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2020-11-30 00:24:53,812 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2020-11-30 00:24:53,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:24:53,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:53,824 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 00:24:55,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2020-11-30 00:24:55,076 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2020-11-30 00:24:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:24:55,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:55,088 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 00:24:56,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:56,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 82 transitions. [2020-11-30 00:24:56,242 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2020-11-30 00:24:56,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:24:56,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:56,254 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 00:24:57,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:57,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 52 states and 82 transitions. [2020-11-30 00:24:57,772 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 82 transitions. [2020-11-30 00:24:57,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:24:57,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:57,783 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 00:24:58,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:58,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2020-11-30 00:24:58,844 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2020-11-30 00:24:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:24:58,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:58,856 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 00:24:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:59,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 82 transitions. [2020-11-30 00:24:59,917 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 82 transitions. [2020-11-30 00:24:59,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:24:59,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:59,928 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 00:25:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:25:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 82 transitions. [2020-11-30 00:25:01,364 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2020-11-30 00:25:01,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:25:01,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:25:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:25:01,386 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 00:25:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:25:02,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 82 transitions. [2020-11-30 00:25:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-11-30 00:25:02,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:25:02,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:25:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:25:02,586 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 00:25:03,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:25:03,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 82 transitions. [2020-11-30 00:25:03,890 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2020-11-30 00:25:03,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:25:03,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:25:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:25:03,900 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 00:25:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:25:05,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 58 states and 82 transitions. [2020-11-30 00:25:05,081 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 82 transitions. [2020-11-30 00:25:05,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:25:05,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:25:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:25:05,091 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 00:25:06,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:25:06,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2020-11-30 00:25:06,436 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-11-30 00:25:06,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:25:06,436 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 106 iterations. [2020-11-30 00:25:06,447 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 00:25:07,326 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:25:07,329 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:25:07,330 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:25:07,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:25:07 ImpRootNode [2020-11-30 00:25:07,330 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:25:07,330 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:25:07,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:25:07,331 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:25:07,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:22:41" (3/4) ... [2020-11-30 00:25:07,334 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:25:07,349 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2020-11-30 00:25:07,350 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:25:07,351 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-30 00:25:07,351 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:25:07,446 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fda01b1c-be44-4930-aa6c-06ea6587020c/bin/ukojak/witness.graphml [2020-11-30 00:25:07,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:25:07,448 INFO L168 Benchmark]: Toolchain (without parser) took 147278.51 ms. Allocated memory was 104.9 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 77.5 MB in the beginning and 963.4 MB in the end (delta: -885.9 MB). Peak memory consumption was 700.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:25:07,449 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 83.9 MB. Free memory was 41.6 MB in the beginning and 41.6 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:25:07,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.71 ms. Allocated memory is still 104.9 MB. Free memory was 76.9 MB in the beginning and 82.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:25:07,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.34 ms. Allocated memory is still 104.9 MB. Free memory was 82.5 MB in the beginning and 81.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:25:07,451 INFO L168 Benchmark]: Boogie Preprocessor took 48.34 ms. Allocated memory is still 104.9 MB. Free memory was 81.1 MB in the beginning and 79.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:25:07,451 INFO L168 Benchmark]: RCFGBuilder took 1226.57 ms. Allocated memory is still 104.9 MB. Free memory was 79.7 MB in the beginning and 79.8 MB in the end (delta: -155.3 kB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:25:07,452 INFO L168 Benchmark]: CodeCheck took 145504.37 ms. Allocated memory was 104.9 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 79.8 MB in the beginning and 968.7 MB in the end (delta: -888.9 MB). Peak memory consumption was 700.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:25:07,452 INFO L168 Benchmark]: Witness Printer took 116.58 ms. Allocated memory is still 1.7 GB. Free memory was 968.7 MB in the beginning and 963.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:25:07,455 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, 36 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 144.5s, OverallIterations: 106, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -120602628 SDslu, 0 SDs, 0 SdLazy, -210796552 SolverSat, -132136964 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 133.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17169 GetRequests, 16385 SyntacticMatches, 0 SemanticMatches, 784 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303397 ImplicationChecksByTransitivity, 138.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 1631 NumberOfCodeBlocks, 1631 NumberOfCodeBlocksAsserted, 105 NumberOfCheckSat, 1526 ConstructedInterpolants, 0 QuantifiedInterpolants, 130676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 105 InterpolantComputations, 105 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: 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: 7]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 83.9 MB. Free memory was 41.6 MB in the beginning and 41.6 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 332.71 ms. Allocated memory is still 104.9 MB. Free memory was 76.9 MB in the beginning and 82.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.34 ms. Allocated memory is still 104.9 MB. Free memory was 82.5 MB in the beginning and 81.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.34 ms. Allocated memory is still 104.9 MB. Free memory was 81.1 MB in the beginning and 79.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1226.57 ms. Allocated memory is still 104.9 MB. Free memory was 79.7 MB in the beginning and 79.8 MB in the end (delta: -155.3 kB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. * CodeCheck took 145504.37 ms. Allocated memory was 104.9 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 79.8 MB in the beginning and 968.7 MB in the end (delta: -888.9 MB). Peak memory consumption was 700.8 MB. Max. memory is 16.1 GB. * Witness Printer took 116.58 ms. Allocated memory is still 1.7 GB. Free memory was 968.7 MB in the beginning and 963.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...