./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i -s /tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/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 becf68b1b41bf8f9c75117f82605e436bc8d5a41 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:58:32,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:58:32,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:58:32,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:58:32,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:58:32,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:58:32,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:58:32,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:58:32,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:58:32,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:58:32,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:58:32,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:58:32,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:58:32,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:58:32,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:58:32,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:58:32,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:58:32,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:58:32,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:58:32,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:58:32,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:58:32,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:58:32,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:58:32,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:58:32,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:58:32,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:58:32,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:58:32,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:58:32,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:58:32,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:58:32,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:58:32,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:58:32,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:58:32,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:58:32,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:58:32,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:58:32,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:58:32,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:58:32,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:58:32,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:58:32,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:58:32,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:58:32,720 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:58:32,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:58:32,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:58:32,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:58:32,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:58:32,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:58:32,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:58:32,725 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:58:32,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:58:32,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:58:32,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:58:32,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:58:32,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:58:32,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:58:32,727 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:58:32,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:58:32,728 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:58:32,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:58:32,728 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:58:32,729 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:58:32,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:58:32,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:58:32,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:58:32,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:58:32,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:58:32,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:58:32,731 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:58:32,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:58:32,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:58:32,732 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_066fa680-ca64-41f7-a280-0598810d5712/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> becf68b1b41bf8f9c75117f82605e436bc8d5a41 [2020-12-01 17:58:33,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:58:33,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:58:33,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:58:33,144 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:58:33,145 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:58:33,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/bin/ukojak/../../sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i [2020-12-01 17:58:33,286 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/bin/ukojak/data/47b3c38af/335f971ef29e422f97f8ed9697755de0/FLAGa5fa41d26 [2020-12-01 17:58:33,964 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:58:33,964 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i [2020-12-01 17:58:33,971 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/bin/ukojak/data/47b3c38af/335f971ef29e422f97f8ed9697755de0/FLAGa5fa41d26 [2020-12-01 17:58:34,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/bin/ukojak/data/47b3c38af/335f971ef29e422f97f8ed9697755de0 [2020-12-01 17:58:34,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:58:34,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:58:34,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:58:34,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:58:34,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:58:34,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:58:34" (1/1) ... [2020-12-01 17:58:34,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ff75a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:34, skipping insertion in model container [2020-12-01 17:58:34,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:58:34" (1/1) ... [2020-12-01 17:58:34,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:58:34,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:58:34,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:58:34,598 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:58:34,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:58:34,633 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:58:34,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:34 WrapperNode [2020-12-01 17:58:34,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:58:34,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:58:34,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:58:34,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:58:34,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:34" (1/1) ... [2020-12-01 17:58:34,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:34" (1/1) ... [2020-12-01 17:58:34,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:58:34,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:58:34,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:58:34,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:58:34,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:34" (1/1) ... [2020-12-01 17:58:34,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:34" (1/1) ... [2020-12-01 17:58:34,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:34" (1/1) ... [2020-12-01 17:58:34,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:34" (1/1) ... [2020-12-01 17:58:34,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:34" (1/1) ... [2020-12-01 17:58:34,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:34" (1/1) ... [2020-12-01 17:58:34,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:34" (1/1) ... [2020-12-01 17:58:34,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:58:34,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:58:34,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:58:34,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:58:34,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/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 [2020-12-01 17:58:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:58:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:58:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:58:34,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:58:35,072 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:58:35,073 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 17:58:35,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:35 BoogieIcfgContainer [2020-12-01 17:58:35,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:58:35,077 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:58:35,077 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:58:35,091 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:58:35,092 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:35" (1/1) ... [2020-12-01 17:58:35,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:58:35,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:35,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2020-12-01 17:58:35,153 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2020-12-01 17:58:35,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:58:35,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:35,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:35,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:35,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2020-12-01 17:58:35,392 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-12-01 17:58:35,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:58:35,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:35,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 17:58:35,578 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 17:58:35,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:58:35,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:35,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:35,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2020-12-01 17:58:35,808 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2020-12-01 17:58:35,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:58:35,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2020-12-01 17:58:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-12-01 17:58:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:58:36,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:36,123 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:36,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:36,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2020-12-01 17:58:36,228 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2020-12-01 17:58:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:58:36,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:36,348 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:36,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:36,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2020-12-01 17:58:36,453 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2020-12-01 17:58:36,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:58:36,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:36,566 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:36,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2020-12-01 17:58:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-12-01 17:58:36,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:58:36,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:36,778 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:36,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:36,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2020-12-01 17:58:36,882 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2020-12-01 17:58:36,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:58:36,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:37,008 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:37,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:37,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2020-12-01 17:58:37,112 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2020-12-01 17:58:37,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:58:37,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:37,204 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:37,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:37,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2020-12-01 17:58:37,320 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2020-12-01 17:58:37,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:58:37,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:37,418 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:37,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:37,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2020-12-01 17:58:37,543 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2020-12-01 17:58:37,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:58:37,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:37,631 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:37,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:37,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2020-12-01 17:58:37,749 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2020-12-01 17:58:37,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:58:37,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:37,833 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:37,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:37,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2020-12-01 17:58:37,965 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2020-12-01 17:58:37,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:58:37,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:38,069 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:38,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:38,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2020-12-01 17:58:38,204 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2020-12-01 17:58:38,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:58:38,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:38,282 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:38,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2020-12-01 17:58:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2020-12-01 17:58:38,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:58:38,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:38,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:38,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2020-12-01 17:58:38,630 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2020-12-01 17:58:38,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:58:38,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:38,715 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2020-12-01 17:58:38,897 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2020-12-01 17:58:38,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:58:38,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:39,026 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:39,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:39,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2020-12-01 17:58:39,201 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-12-01 17:58:39,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:58:39,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:39,327 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:39,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:39,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2020-12-01 17:58:39,514 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-12-01 17:58:39,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:58:39,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:39,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2020-12-01 17:58:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-12-01 17:58:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:58:39,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:40,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:40,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2020-12-01 17:58:40,148 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-12-01 17:58:40,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:58:40,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:40,263 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:40,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2020-12-01 17:58:40,458 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2020-12-01 17:58:40,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:58:40,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:40,590 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:40,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:40,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2020-12-01 17:58:40,790 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-12-01 17:58:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:58:40,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:41,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:41,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2020-12-01 17:58:41,137 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2020-12-01 17:58:41,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:58:41,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:41,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:41,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2020-12-01 17:58:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2020-12-01 17:58:41,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:58:41,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2020-12-01 17:58:41,845 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2020-12-01 17:58:41,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:58:41,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:41,992 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 37 states and 39 transitions. [2020-12-01 17:58:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2020-12-01 17:58:42,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:58:42,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:42,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:42,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 38 states and 40 transitions. [2020-12-01 17:58:42,606 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2020-12-01 17:58:42,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:58:42,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:42,784 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:43,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:43,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 39 states and 41 transitions. [2020-12-01 17:58:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2020-12-01 17:58:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 17:58:43,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:43,249 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:43,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:43,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 40 states and 42 transitions. [2020-12-01 17:58:43,498 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2020-12-01 17:58:43,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 17:58:43,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:43,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:43,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 41 states and 43 transitions. [2020-12-01 17:58:43,930 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2020-12-01 17:58:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:58:43,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:44,070 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:44,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 42 states and 44 transitions. [2020-12-01 17:58:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2020-12-01 17:58:44,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:58:44,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:44,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:44,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2020-12-01 17:58:44,810 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2020-12-01 17:58:44,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:58:44,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:45,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:45,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 44 states and 46 transitions. [2020-12-01 17:58:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2020-12-01 17:58:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:58:45,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:45,450 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:45,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 45 states and 47 transitions. [2020-12-01 17:58:45,754 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2020-12-01 17:58:45,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:58:45,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:45,927 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:46,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 46 states and 48 transitions. [2020-12-01 17:58:46,195 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2020-12-01 17:58:46,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:58:46,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:46,357 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:46,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 47 states and 49 transitions. [2020-12-01 17:58:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2020-12-01 17:58:46,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:58:46,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:46,835 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:47,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:47,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 48 states and 50 transitions. [2020-12-01 17:58:47,133 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2020-12-01 17:58:47,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:58:47,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:47,330 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:47,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:47,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 49 states and 51 transitions. [2020-12-01 17:58:47,645 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2020-12-01 17:58:47,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:58:47,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:48,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:48,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 50 states and 52 transitions. [2020-12-01 17:58:48,121 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2020-12-01 17:58:48,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:58:48,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:48,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:48,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 51 states and 53 transitions. [2020-12-01 17:58:48,641 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2020-12-01 17:58:48,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:58:48,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:48,828 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:49,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 52 states and 54 transitions. [2020-12-01 17:58:49,168 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2020-12-01 17:58:49,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:58:49,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:49,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:49,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2020-12-01 17:58:49,678 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2020-12-01 17:58:49,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:58:49,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:49,902 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:50,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 54 states and 56 transitions. [2020-12-01 17:58:50,254 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2020-12-01 17:58:50,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:58:50,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:50,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:50,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2020-12-01 17:58:50,827 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2020-12-01 17:58:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:58:50,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:51,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:51,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 56 states and 58 transitions. [2020-12-01 17:58:51,341 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2020-12-01 17:58:51,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:58:51,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:51,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:51,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:51,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 57 states and 59 transitions. [2020-12-01 17:58:51,952 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2020-12-01 17:58:51,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 17:58:51,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 58 states and 60 transitions. [2020-12-01 17:58:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2020-12-01 17:58:52,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:58:52,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:53,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2020-12-01 17:58:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-12-01 17:58:53,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 17:58:53,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 60 states and 62 transitions. [2020-12-01 17:58:53,729 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2020-12-01 17:58:53,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:58:53,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:54,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2020-12-01 17:58:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-12-01 17:58:54,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:58:54,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:54,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:55,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:55,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 62 states and 64 transitions. [2020-12-01 17:58:55,070 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2020-12-01 17:58:55,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:58:55,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:55,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:55,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 63 states and 65 transitions. [2020-12-01 17:58:55,768 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2020-12-01 17:58:55,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 17:58:55,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 64 states and 66 transitions. [2020-12-01 17:58:56,423 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2020-12-01 17:58:56,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:58:56,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:56,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:57,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:57,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 65 states and 67 transitions. [2020-12-01 17:58:57,042 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2020-12-01 17:58:57,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:58:57,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:57,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:57,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 66 states and 68 transitions. [2020-12-01 17:58:57,732 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2020-12-01 17:58:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:58:57,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:58,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 67 states and 69 transitions. [2020-12-01 17:58:58,390 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2020-12-01 17:58:58,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 17:58:58,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:58,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:59,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:59,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 68 states and 70 transitions. [2020-12-01 17:58:59,032 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2020-12-01 17:58:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:58:59,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:59,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:59,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 69 states and 71 transitions. [2020-12-01 17:58:59,871 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2020-12-01 17:58:59,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:58:59,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 70 states and 72 transitions. [2020-12-01 17:59:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2020-12-01 17:59:00,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 17:59:00,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:00,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:01,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:01,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 71 states and 73 transitions. [2020-12-01 17:59:01,281 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2020-12-01 17:59:01,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 17:59:01,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:01,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 72 states and 74 transitions. [2020-12-01 17:59:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2020-12-01 17:59:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 17:59:02,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:02,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:02,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 73 states and 75 transitions. [2020-12-01 17:59:02,777 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2020-12-01 17:59:02,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 17:59:02,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:03,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:03,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:03,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 74 states and 76 transitions. [2020-12-01 17:59:03,573 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2020-12-01 17:59:03,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 17:59:03,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:03,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:04,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 75 states and 77 transitions. [2020-12-01 17:59:04,287 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2020-12-01 17:59:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 17:59:04,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:04,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:05,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 76 states and 78 transitions. [2020-12-01 17:59:05,132 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2020-12-01 17:59:05,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 17:59:05,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:05,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:05,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:05,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 77 states and 79 transitions. [2020-12-01 17:59:05,871 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 79 transitions. [2020-12-01 17:59:05,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 17:59:05,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:06,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:06,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:06,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 78 states and 80 transitions. [2020-12-01 17:59:06,674 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2020-12-01 17:59:06,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 17:59:06,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:07,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:07,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 79 states and 81 transitions. [2020-12-01 17:59:07,415 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2020-12-01 17:59:07,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:59:07,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:07,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:08,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:08,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 80 states and 82 transitions. [2020-12-01 17:59:08,273 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2020-12-01 17:59:08,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 17:59:08,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:09,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:09,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 81 states and 83 transitions. [2020-12-01 17:59:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2020-12-01 17:59:09,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 17:59:09,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:10,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:10,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 82 states and 84 transitions. [2020-12-01 17:59:10,052 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 84 transitions. [2020-12-01 17:59:10,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 17:59:10,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:10,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:10,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:10,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 83 states and 85 transitions. [2020-12-01 17:59:10,853 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 85 transitions. [2020-12-01 17:59:10,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 17:59:10,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:11,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:11,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 84 states and 86 transitions. [2020-12-01 17:59:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 86 transitions. [2020-12-01 17:59:11,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 17:59:11,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:11,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:12,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:12,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 85 states and 87 transitions. [2020-12-01 17:59:12,529 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 87 transitions. [2020-12-01 17:59:12,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 17:59:12,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:12,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:13,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:13,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 86 states and 88 transitions. [2020-12-01 17:59:13,289 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 88 transitions. [2020-12-01 17:59:13,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 17:59:13,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:13,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:14,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:14,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 87 states and 89 transitions. [2020-12-01 17:59:14,079 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 89 transitions. [2020-12-01 17:59:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 17:59:14,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:14,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:14,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 88 states and 90 transitions. [2020-12-01 17:59:14,868 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 90 transitions. [2020-12-01 17:59:14,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 17:59:14,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:15,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:15,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 89 states and 91 transitions. [2020-12-01 17:59:15,661 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2020-12-01 17:59:15,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 17:59:15,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:16,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:16,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 90 states and 92 transitions. [2020-12-01 17:59:16,519 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 92 transitions. [2020-12-01 17:59:16,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 17:59:16,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:16,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:17,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:17,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 91 states and 93 transitions. [2020-12-01 17:59:17,311 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 93 transitions. [2020-12-01 17:59:17,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-01 17:59:17,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:18,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:18,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 92 states and 94 transitions. [2020-12-01 17:59:18,222 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 94 transitions. [2020-12-01 17:59:18,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 17:59:18,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:18,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:19,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 93 states and 95 transitions. [2020-12-01 17:59:19,166 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2020-12-01 17:59:19,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-01 17:59:19,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:19,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:20,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:20,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 94 states and 96 transitions. [2020-12-01 17:59:20,083 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2020-12-01 17:59:20,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 17:59:20,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:20,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:20,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:20,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 95 states and 97 transitions. [2020-12-01 17:59:20,994 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 97 transitions. [2020-12-01 17:59:20,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-01 17:59:20,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:21,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:21,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:21,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 96 states and 98 transitions. [2020-12-01 17:59:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 98 transitions. [2020-12-01 17:59:21,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-01 17:59:21,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:22,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:22,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:22,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 97 states and 99 transitions. [2020-12-01 17:59:22,783 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 99 transitions. [2020-12-01 17:59:22,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-01 17:59:22,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:23,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:23,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:23,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 98 states and 100 transitions. [2020-12-01 17:59:23,757 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 100 transitions. [2020-12-01 17:59:23,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 17:59:23,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:24,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:24,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 99 states and 101 transitions. [2020-12-01 17:59:24,753 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 101 transitions. [2020-12-01 17:59:24,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-01 17:59:24,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:25,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:25,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 100 states and 102 transitions. [2020-12-01 17:59:25,671 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2020-12-01 17:59:25,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-01 17:59:25,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:26,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:26,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:26,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 101 states and 103 transitions. [2020-12-01 17:59:26,608 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2020-12-01 17:59:26,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-01 17:59:26,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:26,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:27,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:27,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 102 states and 104 transitions. [2020-12-01 17:59:27,571 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 104 transitions. [2020-12-01 17:59:27,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-01 17:59:27,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:27,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:28,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:28,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 103 states and 105 transitions. [2020-12-01 17:59:28,508 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 105 transitions. [2020-12-01 17:59:28,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-01 17:59:28,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:28,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:29,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:29,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 104 states and 106 transitions. [2020-12-01 17:59:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 106 transitions. [2020-12-01 17:59:29,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-01 17:59:29,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:29,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:30,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:30,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 105 states and 107 transitions. [2020-12-01 17:59:30,416 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 107 transitions. [2020-12-01 17:59:30,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 17:59:30,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:30,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:31,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:31,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 106 states and 108 transitions. [2020-12-01 17:59:31,367 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 108 transitions. [2020-12-01 17:59:31,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 17:59:31,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:31,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 107 states and 109 transitions. [2020-12-01 17:59:32,433 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 109 transitions. [2020-12-01 17:59:32,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 17:59:32,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:32,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:33,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:33,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 108 states and 110 transitions. [2020-12-01 17:59:33,409 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 110 transitions. [2020-12-01 17:59:33,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-01 17:59:33,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:33,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:34,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:34,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 109 states and 111 transitions. [2020-12-01 17:59:34,420 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 111 transitions. [2020-12-01 17:59:34,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 17:59:34,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:34,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:35,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:35,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 110 states and 111 transitions. [2020-12-01 17:59:35,658 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 111 transitions. [2020-12-01 17:59:35,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-01 17:59:35,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:00:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:04:53,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:53,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 212 states and 214 transitions. [2020-12-01 18:04:53,271 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 214 transitions. [2020-12-01 18:04:53,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 18:04:53,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:05:20,850 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 5151 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:05:24,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:05:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2020-12-01 18:05:24,925 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2020-12-01 18:05:24,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:05:24,926 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 103 iterations. [2020-12-01 18:05:24,941 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:05:28,660 WARN L197 SmtUtils]: Spent 3.70 s on a formula simplification that was a NOOP. DAG size: 659 [2020-12-01 18:05:28,673 INFO L569 CodeCheckObserver]: Invariant with dag size 659 [2020-12-01 18:05:28,743 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:05:28,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:05:28 ImpRootNode [2020-12-01 18:05:28,744 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:05:28,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:05:28,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:05:28,745 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:05:28,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:35" (3/4) ... [2020-12-01 18:05:28,751 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:05:28,765 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 18:05:28,765 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 18:05:28,765 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:05:28,766 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:05:28,837 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_066fa680-ca64-41f7-a280-0598810d5712/bin/ukojak/witness.graphml [2020-12-01 18:05:28,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:05:28,846 INFO L168 Benchmark]: Toolchain (without parser) took 414502.30 ms. Allocated memory was 81.8 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 51.2 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 308.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:28,847 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory was 41.5 MB in the beginning and 41.5 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:05:28,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.44 ms. Allocated memory is still 81.8 MB. Free memory was 50.9 MB in the beginning and 60.6 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:28,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.31 ms. Allocated memory is still 81.8 MB. Free memory was 60.6 MB in the beginning and 59.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:05:28,857 INFO L168 Benchmark]: Boogie Preprocessor took 24.99 ms. Allocated memory is still 81.8 MB. Free memory was 59.0 MB in the beginning and 58.3 MB in the end (delta: 730.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:05:28,858 INFO L168 Benchmark]: RCFGBuilder took 377.93 ms. Allocated memory is still 81.8 MB. Free memory was 58.3 MB in the beginning and 45.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:28,859 INFO L168 Benchmark]: CodeCheck took 413667.03 ms. Allocated memory was 81.8 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 45.0 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 961.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:28,859 INFO L168 Benchmark]: Witness Printer took 99.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:28,863 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, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 409.8s, OverallIterations: 103, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 1610 SolverSat, 806 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40539 GetRequests, 34377 SyntacticMatches, 5150 SemanticMatches, 1012 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492553 ImplicationChecksByTransitivity, 396.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 80.2s InterpolantComputationTime, 5763 NumberOfCodeBlocks, 5763 NumberOfCodeBlocksAsserted, 102 NumberOfCheckSat, 5661 ConstructedInterpolants, 0 QuantifiedInterpolants, 1205068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 102 InterpolantComputations, 2 PerfectInterpolantSequences, 5151/176851 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: 11]: 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: 23]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((i <= 24 && 23 < i) && j <= 48) && 48 <= j) || (((156 <= j && i <= 78) && 77 < i) && j <= 156)) || (((154 <= j && 76 < i) && i <= 77) && j <= 154)) || (((16 <= j && 7 < i) && j <= 16) && i <= 8)) || (((j <= 130 && 130 <= j) && i <= 65) && 64 < i)) || (((56 < i && 114 <= j) && i <= 57) && j <= 114)) || (((19 < i && 40 <= j) && j <= 40) && i <= 20)) || (((i <= 39 && j <= 78) && 78 <= j) && 38 < i)) || (((j <= 194 && i <= 97) && 194 <= j) && 96 < i)) || (((64 <= j && 31 < i) && i <= 32) && j <= 64)) || (((j <= 128 && i <= 64) && 63 < i) && 128 <= j)) || (((i <= 69 && 68 < i) && j <= 138) && 138 <= j)) || (((14 < i && j <= 30) && i <= 15) && 30 <= j)) || (((i <= 98 && j <= 196) && 97 < i) && 196 <= j)) || (((j <= 152 && 152 <= j) && i <= 76) && 75 < i)) || (((176 <= j && i <= 88) && 87 < i) && j <= 176)) || (((i <= 80 && j <= 160) && 160 <= j) && 79 < i)) || (((30 < i && 62 <= j) && i <= 31) && j <= 62)) || (((i <= 85 && j <= 170) && 170 <= j) && 84 < i)) || (((i <= 3 && 6 <= j) && 2 < i) && j <= 6)) || (((i <= 37 && 74 <= j) && j <= 74) && 36 < i)) || (((80 <= j && 39 < i) && i <= 40) && j <= 80)) || (((25 < i && i <= 26) && j <= 52) && 52 <= j)) || (((j <= 158 && 78 < i) && 158 <= j) && i <= 79)) || (((j <= 68 && 33 < i) && 68 <= j) && i <= 34)) || (((i <= 16 && j <= 32) && 15 < i) && 32 <= j)) || (((i <= 45 && j <= 90) && 44 < i) && 90 <= j)) || (((112 <= j && i <= 56) && j <= 112) && 55 < i)) || (((j <= 144 && 144 <= j) && i <= 72) && 71 < i)) || (((48 < i && i <= 49) && j <= 98) && 98 <= j)) || (((j <= 96 && 96 <= j) && i <= 48) && 47 < i)) || (((j <= 58 && i <= 29) && 58 <= j) && 28 < i)) || (((37 < i && i <= 38) && j <= 76) && 76 <= j)) || (((i <= 58 && 57 < i) && 116 <= j) && j <= 116)) || (((j <= 180 && i <= 90) && 89 < i) && 180 <= j)) || (((190 <= j && i <= 95) && 94 < i) && j <= 190)) || (((j <= 22 && i <= 11) && 10 < i) && 22 <= j)) || (((82 < i && i <= 83) && j <= 166) && 166 <= j)) || (((j <= 44 && i <= 22) && 21 < i) && 44 <= j)) || (((j <= 188 && 188 <= j) && i <= 94) && 93 < i)) || (((1 < i && j <= 4) && 4 <= j) && i <= 2)) || (((172 <= j && j <= 172) && i <= 86) && 85 < i)) || (((j <= 120 && 59 < i) && 120 <= j) && i <= 60)) || (((j <= 146 && i <= 73) && 146 <= j) && 72 < i)) || (((49 < i && j <= 100) && i <= 50) && 100 <= j)) || (((j <= 192 && i <= 96) && 95 < i) && 192 <= j)) || (((18 < i && 38 <= j) && i <= 19) && j <= 38)) || (((j <= 118 && 118 <= j) && 58 < i) && i <= 59)) || (((j <= 2 && 2 <= j) && i <= 1) && 0 < i)) || (((i <= 66 && 132 <= j) && 65 < i) && j <= 132)) || (((j <= 142 && i <= 71) && 142 <= j) && 70 < i)) || (((62 < i && j <= 126) && i <= 63) && 126 <= j)) || (((j <= 12 && i <= 6) && 12 <= j) && 5 < i)) || (((i <= 21 && 42 <= j) && j <= 42) && 20 < i)) || (((i <= 52 && 51 < i) && 104 <= j) && j <= 104)) || (((70 <= j && 34 < i) && i <= 35) && j <= 70)) || (((i <= 99 && j <= 198) && 198 <= j) && 98 < i)) || (((0 <= i && 0 <= j) && i <= 0) && j <= 0)) || (((i <= 91 && 90 < i) && j <= 182) && 182 <= j)) || (((i <= 53 && 52 < i) && j <= 106) && 106 <= j)) || (((i <= 92 && 184 <= j) && 91 < i) && j <= 184)) || (((162 <= j && 80 < i) && i <= 81) && j <= 162)) || (((24 < i && i <= 25) && 50 <= j) && j <= 50)) || (((j <= 94 && 94 <= j) && i <= 47) && 46 < i)) || (((16 < i && j <= 34) && 34 <= j) && i <= 17)) || (((36 <= j && 17 < i) && j <= 36) && i <= 18)) || (((18 <= j && j <= 18) && i <= 9) && 8 < i)) || (((j <= 46 && 22 < i) && 46 <= j) && i <= 23)) || (((74 < i && i <= 75) && 150 <= j) && j <= 150)) || (((i <= 5 && j <= 10) && 4 < i) && 10 <= j)) || (((3 < i && j <= 8) && 8 <= j) && i <= 4)) || (((i <= 46 && 45 < i) && 92 <= j) && j <= 92)) || (((j <= 72 && 72 <= j) && i <= 36) && 35 < i)) || (((124 <= j && 61 < i) && i <= 62) && j <= 124)) || (((84 <= j && 41 < i) && i <= 42) && j <= 84)) || (((j <= 86 && 42 < i) && i <= 43) && 86 <= j)) || (((6 < i && j <= 14) && 14 <= j) && i <= 7)) || (((j <= 60 && 60 <= j) && 29 < i) && i <= 30)) || (((102 <= j && i <= 51) && j <= 102) && 50 < i)) || (((i <= 44 && j <= 88) && 88 <= j) && 43 < i)) || (((i <= 55 && 54 < i) && 110 <= j) && j <= 110)) || (((j <= 148 && 148 <= j) && i <= 74) && 73 < i)) || (((j <= 174 && i <= 87) && 174 <= j) && 86 < i)) || (((i <= 28 && 56 <= j) && j <= 56) && 27 < i)) || (((i <= 70 && j <= 140) && 69 < i) && 140 <= j)) || (((186 <= j && 92 < i) && i <= 93) && j <= 186)) || (((11 < i && j <= 24) && i <= 12) && 24 <= j)) || (((i <= 41 && j <= 82) && 82 <= j) && 40 < i)) || (((j <= 168 && 83 < i) && 168 <= j) && i <= 84)) || (((28 <= j && i <= 14) && 13 < i) && j <= 28)) || (((i <= 33 && 66 <= j) && j <= 66) && 32 < i)) || ((199 < j && 99 < i) && j <= 200)) || (((88 < i && 178 <= j) && i <= 89) && j <= 178)) || (((i <= 82 && 81 < i) && 164 <= j) && j <= 164)) || (((20 <= j && i <= 10) && 9 < i) && j <= 20)) || (((134 <= j && j <= 134) && i <= 67) && 66 < i)) || (((i <= 27 && j <= 54) && 54 <= j) && 26 < i)) || (((j <= 26 && 26 <= j) && 12 < i) && i <= 13)) || (((53 < i && 108 <= j) && j <= 108) && i <= 54)) || (((122 <= j && i <= 61) && j <= 122) && 60 < i)) || (((67 < i && i <= 68) && j <= 136) && 136 <= j) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory was 41.5 MB in the beginning and 41.5 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 289.44 ms. Allocated memory is still 81.8 MB. Free memory was 50.9 MB in the beginning and 60.6 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.31 ms. Allocated memory is still 81.8 MB. Free memory was 60.6 MB in the beginning and 59.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.99 ms. Allocated memory is still 81.8 MB. Free memory was 59.0 MB in the beginning and 58.3 MB in the end (delta: 730.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 377.93 ms. Allocated memory is still 81.8 MB. Free memory was 58.3 MB in the beginning and 45.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 413667.03 ms. Allocated memory was 81.8 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 45.0 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 961.1 MB. Max. memory is 16.1 GB. * Witness Printer took 99.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...