./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-simple/nested_3.c --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_235725d8-7e9a-4d11-8cd1-331734cac8f6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_235725d8-7e9a-4d11-8cd1-331734cac8f6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_235725d8-7e9a-4d11-8cd1-331734cac8f6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_235725d8-7e9a-4d11-8cd1-331734cac8f6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_235725d8-7e9a-4d11-8cd1-331734cac8f6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_235725d8-7e9a-4d11-8cd1-331734cac8f6/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 e63f4150318242871d0ac34a0d1b61fbf23907ae .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:21:44,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:21:44,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:21:44,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:21:44,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:21:44,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:21:44,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:21:44,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:21:44,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:21:44,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:21:44,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:21:44,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:21:44,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:21:44,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:21:44,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:21:44,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:21:44,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:21:44,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:21:44,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:21:44,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:21:44,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:21:44,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:21:44,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:21:44,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:21:44,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:21:44,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:21:44,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:21:44,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:21:44,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:21:44,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:21:44,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:21:44,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:21:44,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:21:44,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:21:44,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:21:44,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:21:44,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:21:44,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:21:44,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:21:44,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:21:44,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:21:44,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_235725d8-7e9a-4d11-8cd1-331734cac8f6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:21:44,475 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:21:44,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:21:44,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:21:44,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:21:44,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:21:44,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:21:44,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:21:44,479 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:21:44,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:21:44,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:21:44,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:21:44,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:21:44,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:21:44,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:21:44,481 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:21:44,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:21:44,482 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:21:44,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:21:44,482 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:21:44,482 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:21:44,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:21:44,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:21:44,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:21:44,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:21:44,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:21:44,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:21:44,484 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:21:44,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:21:44,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:21:44,486 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_235725d8-7e9a-4d11-8cd1-331734cac8f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_235725d8-7e9a-4d11-8cd1-331734cac8f6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e63f4150318242871d0ac34a0d1b61fbf23907ae [2020-12-01 18:21:44,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:21:44,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:21:44,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:21:44,848 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:21:44,853 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:21:44,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_235725d8-7e9a-4d11-8cd1-331734cac8f6/bin/ukojak/../../sv-benchmarks/c/loop-simple/nested_3.c [2020-12-01 18:21:44,960 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_235725d8-7e9a-4d11-8cd1-331734cac8f6/bin/ukojak/data/957ff3ef1/4bf7342eabeb4935b8671d09e9cbcf74/FLAGfa79b96fd [2020-12-01 18:21:45,403 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:21:45,403 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_235725d8-7e9a-4d11-8cd1-331734cac8f6/sv-benchmarks/c/loop-simple/nested_3.c [2020-12-01 18:21:45,410 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_235725d8-7e9a-4d11-8cd1-331734cac8f6/bin/ukojak/data/957ff3ef1/4bf7342eabeb4935b8671d09e9cbcf74/FLAGfa79b96fd [2020-12-01 18:21:45,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_235725d8-7e9a-4d11-8cd1-331734cac8f6/bin/ukojak/data/957ff3ef1/4bf7342eabeb4935b8671d09e9cbcf74 [2020-12-01 18:21:45,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:21:45,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:21:45,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:21:45,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:21:45,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:21:45,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:21:45" (1/1) ... [2020-12-01 18:21:45,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3f7f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:45, skipping insertion in model container [2020-12-01 18:21:45,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:21:45" (1/1) ... [2020-12-01 18:21:45,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:21:45,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:21:46,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:21:46,080 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:21:46,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:21:46,124 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:21:46,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:46 WrapperNode [2020-12-01 18:21:46,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:21:46,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:21:46,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:21:46,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:21:46,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:46" (1/1) ... [2020-12-01 18:21:46,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:46" (1/1) ... [2020-12-01 18:21:46,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:21:46,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:21:46,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:21:46,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:21:46,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:46" (1/1) ... [2020-12-01 18:21:46,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:46" (1/1) ... [2020-12-01 18:21:46,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:46" (1/1) ... [2020-12-01 18:21:46,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:46" (1/1) ... [2020-12-01 18:21:46,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:46" (1/1) ... [2020-12-01 18:21:46,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:46" (1/1) ... [2020-12-01 18:21:46,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:46" (1/1) ... [2020-12-01 18:21:46,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:21:46,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:21:46,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:21:46,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:21:46,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_235725d8-7e9a-4d11-8cd1-331734cac8f6/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 18:21:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:21:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:21:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:21:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:21:46,593 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:21:46,593 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 18:21:46,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:21:46 BoogieIcfgContainer [2020-12-01 18:21:46,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:21:46,596 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:21:46,596 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:21:46,607 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:21:46,619 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:21:46" (1/1) ... [2020-12-01 18:21:46,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:21:46,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:46,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2020-12-01 18:21:46,698 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2020-12-01 18:21:46,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:21:46,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:46,884 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 18:21:46,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:46,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2020-12-01 18:21:46,936 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2020-12-01 18:21:46,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:21:46,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:47,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:21:47,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:47,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2020-12-01 18:21:47,044 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2020-12-01 18:21:47,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:21:47,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:21:47,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:47,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2020-12-01 18:21:47,152 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2020-12-01 18:21:47,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:21:47,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:47,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:21:47,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:47,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2020-12-01 18:21:47,292 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2020-12-01 18:21:47,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:21:47,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:21:47,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2020-12-01 18:21:47,678 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2020-12-01 18:21:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:21:47,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:47,771 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 18:21:48,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:48,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 47 transitions. [2020-12-01 18:21:48,924 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 47 transitions. [2020-12-01 18:21:48,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:21:48,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 18:21:49,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:49,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2020-12-01 18:21:49,230 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2020-12-01 18:21:49,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:21:49,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:49,318 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 18:21:49,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:49,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2020-12-01 18:21:49,535 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2020-12-01 18:21:49,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:21:49,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:49,615 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 18:21:49,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:49,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2020-12-01 18:21:49,807 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2020-12-01 18:21:49,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:21:49,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:49,921 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 61 proven. 15 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 18:21:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:50,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2020-12-01 18:21:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2020-12-01 18:21:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:21:50,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 71 proven. 24 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-01 18:21:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:50,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2020-12-01 18:21:50,935 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2020-12-01 18:21:50,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:21:50,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 123 proven. 3 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 18:21:51,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:51,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2020-12-01 18:21:51,169 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2020-12-01 18:21:51,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:21:51,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:51,198 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 139 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 18:21:51,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2020-12-01 18:21:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2020-12-01 18:21:51,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:21:51,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:51,434 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 155 proven. 10 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 18:21:51,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:51,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2020-12-01 18:21:51,652 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2020-12-01 18:21:51,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:21:51,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 171 proven. 15 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 18:21:51,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:51,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2020-12-01 18:21:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2020-12-01 18:21:51,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 18:21:51,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 116 proven. 97 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-01 18:21:52,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2020-12-01 18:21:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2020-12-01 18:21:52,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 18:21:52,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 212 proven. 3 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-12-01 18:21:53,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:53,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2020-12-01 18:21:53,206 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2020-12-01 18:21:53,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:21:53,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:53,255 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 235 proven. 6 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-12-01 18:21:53,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:53,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2020-12-01 18:21:53,481 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2020-12-01 18:21:53,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:21:53,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 258 proven. 10 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-12-01 18:21:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:53,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2020-12-01 18:21:53,792 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2020-12-01 18:21:53,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 18:21:53,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:53,868 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 281 proven. 15 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-12-01 18:21:54,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2020-12-01 18:21:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2020-12-01 18:21:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:21:54,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:54,244 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 161 proven. 220 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-12-01 18:21:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:55,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2020-12-01 18:21:55,112 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2020-12-01 18:21:55,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 18:21:55,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 301 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-12-01 18:21:55,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2020-12-01 18:21:55,417 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2020-12-01 18:21:55,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:21:55,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:55,458 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 331 proven. 6 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-12-01 18:21:55,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:55,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2020-12-01 18:21:55,744 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2020-12-01 18:21:55,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 18:21:55,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 361 proven. 10 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-12-01 18:21:56,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:56,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 54 states and 80 transitions. [2020-12-01 18:21:56,054 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2020-12-01 18:21:56,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 18:21:56,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:56,082 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-12-01 18:21:56,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:56,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2020-12-01 18:21:56,356 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2020-12-01 18:21:56,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 18:21:56,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:56,493 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 206 proven. 393 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-12-01 18:21:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:57,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 86 transitions. [2020-12-01 18:21:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2020-12-01 18:21:57,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 18:21:57,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 390 proven. 3 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2020-12-01 18:21:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:57,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2020-12-01 18:21:57,837 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2020-12-01 18:21:57,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 18:21:57,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 427 proven. 6 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2020-12-01 18:21:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2020-12-01 18:21:58,130 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2020-12-01 18:21:58,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 18:21:58,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 464 proven. 10 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2020-12-01 18:21:58,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:58,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2020-12-01 18:21:58,461 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2020-12-01 18:21:58,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 18:21:58,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 501 proven. 15 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2020-12-01 18:21:58,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:58,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2020-12-01 18:21:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2020-12-01 18:21:58,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 18:21:58,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:58,801 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 359 proven. 3 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2020-12-01 18:21:59,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:59,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2020-12-01 18:21:59,093 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2020-12-01 18:21:59,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 18:21:59,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:59,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 400 proven. 6 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2020-12-01 18:21:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:59,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2020-12-01 18:21:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2020-12-01 18:21:59,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:21:59,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:59,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 441 proven. 10 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2020-12-01 18:21:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:59,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 66 states and 92 transitions. [2020-12-01 18:21:59,775 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 92 transitions. [2020-12-01 18:21:59,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 18:21:59,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 482 proven. 15 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2020-12-01 18:22:00,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:00,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2020-12-01 18:22:00,120 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2020-12-01 18:22:00,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 18:22:00,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:00,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2020-12-01 18:22:03,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:03,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 111 transitions. [2020-12-01 18:22:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2020-12-01 18:22:03,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 18:22:03,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:03,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 575 proven. 3 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2020-12-01 18:22:03,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:03,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 78 states and 112 transitions. [2020-12-01 18:22:03,433 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2020-12-01 18:22:03,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 18:22:03,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:03,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 626 proven. 6 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2020-12-01 18:22:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:03,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 79 states and 113 transitions. [2020-12-01 18:22:03,791 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2020-12-01 18:22:03,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 18:22:03,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:03,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 677 proven. 10 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2020-12-01 18:22:04,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:04,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 80 states and 114 transitions. [2020-12-01 18:22:04,182 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2020-12-01 18:22:04,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 18:22:04,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:04,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 728 proven. 15 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2020-12-01 18:22:04,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:04,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2020-12-01 18:22:04,569 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2020-12-01 18:22:04,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 18:22:04,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1737 backedges. 787 proven. 24 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2020-12-01 18:22:05,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:05,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 85 states and 121 transitions. [2020-12-01 18:22:05,841 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2020-12-01 18:22:05,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 18:22:05,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:05,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1927 backedges. 664 proven. 3 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2020-12-01 18:22:06,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:06,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 122 transitions. [2020-12-01 18:22:06,256 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2020-12-01 18:22:06,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 18:22:06,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:06,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 722 proven. 6 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2020-12-01 18:22:06,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:06,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 87 states and 123 transitions. [2020-12-01 18:22:06,605 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2020-12-01 18:22:06,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 18:22:06,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2050 backedges. 780 proven. 10 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2020-12-01 18:22:07,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:07,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 88 states and 124 transitions. [2020-12-01 18:22:07,100 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 124 transitions. [2020-12-01 18:22:07,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 18:22:07,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:07,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 838 proven. 15 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2020-12-01 18:22:07,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:07,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 89 states and 124 transitions. [2020-12-01 18:22:07,563 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 124 transitions. [2020-12-01 18:22:07,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 18:22:07,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 1133 proven. 97 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2020-12-01 18:22:08,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:08,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 93 states and 131 transitions. [2020-12-01 18:22:08,851 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 131 transitions. [2020-12-01 18:22:08,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 18:22:08,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:08,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2389 backedges. 753 proven. 3 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2020-12-01 18:22:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:09,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 94 states and 132 transitions. [2020-12-01 18:22:09,227 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2020-12-01 18:22:09,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-01 18:22:09,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2457 backedges. 818 proven. 6 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2020-12-01 18:22:09,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:09,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 95 states and 133 transitions. [2020-12-01 18:22:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2020-12-01 18:22:09,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-01 18:22:09,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2526 backedges. 883 proven. 10 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2020-12-01 18:22:10,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:10,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 96 states and 134 transitions. [2020-12-01 18:22:10,137 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 134 transitions. [2020-12-01 18:22:10,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-01 18:22:10,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 948 proven. 15 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2020-12-01 18:22:10,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:10,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 97 states and 134 transitions. [2020-12-01 18:22:10,672 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 134 transitions. [2020-12-01 18:22:10,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 18:22:10,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2667 backedges. 1479 proven. 220 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2020-12-01 18:22:12,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 101 states and 141 transitions. [2020-12-01 18:22:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 141 transitions. [2020-12-01 18:22:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-01 18:22:12,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:12,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2901 backedges. 842 proven. 3 refuted. 0 times theorem prover too weak. 2056 trivial. 0 not checked. [2020-12-01 18:22:12,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:12,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 102 states and 142 transitions. [2020-12-01 18:22:12,824 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 142 transitions. [2020-12-01 18:22:12,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-01 18:22:12,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:12,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2976 backedges. 914 proven. 6 refuted. 0 times theorem prover too weak. 2056 trivial. 0 not checked. [2020-12-01 18:22:13,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:13,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 103 states and 143 transitions. [2020-12-01 18:22:13,311 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2020-12-01 18:22:13,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-01 18:22:13,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:13,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3052 backedges. 986 proven. 10 refuted. 0 times theorem prover too weak. 2056 trivial. 0 not checked. [2020-12-01 18:22:13,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 104 states and 144 transitions. [2020-12-01 18:22:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 144 transitions. [2020-12-01 18:22:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 18:22:13,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:13,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3129 backedges. 1058 proven. 15 refuted. 0 times theorem prover too weak. 2056 trivial. 0 not checked. [2020-12-01 18:22:14,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 105 states and 144 transitions. [2020-12-01 18:22:14,293 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2020-12-01 18:22:14,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 18:22:14,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:14,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3207 backedges. 1825 proven. 393 refuted. 0 times theorem prover too weak. 989 trivial. 0 not checked. [2020-12-01 18:22:15,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:15,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 109 states and 150 transitions. [2020-12-01 18:22:15,911 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 150 transitions. [2020-12-01 18:22:15,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-01 18:22:15,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3463 backedges. 931 proven. 3 refuted. 0 times theorem prover too weak. 2529 trivial. 0 not checked. [2020-12-01 18:22:16,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:16,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 110 states and 151 transitions. [2020-12-01 18:22:16,387 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 151 transitions. [2020-12-01 18:22:16,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 18:22:16,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:16,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3545 backedges. 1010 proven. 6 refuted. 0 times theorem prover too weak. 2529 trivial. 0 not checked. [2020-12-01 18:22:16,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:16,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 111 states and 152 transitions. [2020-12-01 18:22:16,851 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 152 transitions. [2020-12-01 18:22:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 18:22:16,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:16,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3628 backedges. 1089 proven. 10 refuted. 0 times theorem prover too weak. 2529 trivial. 0 not checked. [2020-12-01 18:22:17,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:17,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 112 states and 153 transitions. [2020-12-01 18:22:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 153 transitions. [2020-12-01 18:22:17,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-01 18:22:17,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:17,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3712 backedges. 1168 proven. 15 refuted. 0 times theorem prover too weak. 2529 trivial. 0 not checked. [2020-12-01 18:22:18,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:18,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 113 states and 153 transitions. [2020-12-01 18:22:18,013 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 153 transitions. [2020-12-01 18:22:18,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-01 18:22:18,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:18,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3797 backedges. 767 proven. 3 refuted. 0 times theorem prover too weak. 3027 trivial. 0 not checked. [2020-12-01 18:22:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:18,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 114 states and 154 transitions. [2020-12-01 18:22:18,575 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-12-01 18:22:18,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-01 18:22:18,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3883 backedges. 850 proven. 6 refuted. 0 times theorem prover too weak. 3027 trivial. 0 not checked. [2020-12-01 18:22:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:19,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 115 states and 155 transitions. [2020-12-01 18:22:19,164 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 155 transitions. [2020-12-01 18:22:19,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-01 18:22:19,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:19,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3970 backedges. 933 proven. 10 refuted. 0 times theorem prover too weak. 3027 trivial. 0 not checked. [2020-12-01 18:22:19,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:19,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 116 states and 156 transitions. [2020-12-01 18:22:19,678 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 156 transitions. [2020-12-01 18:22:19,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-01 18:22:19,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4058 backedges. 1016 proven. 15 refuted. 0 times theorem prover too weak. 3027 trivial. 0 not checked. [2020-12-01 18:22:20,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 117 states and 156 transitions. [2020-12-01 18:22:20,162 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 156 transitions. [2020-12-01 18:22:20,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-01 18:22:20,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:20,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4147 backedges. 0 proven. 2365 refuted. 0 times theorem prover too weak. 1782 trivial. 0 not checked. [2020-12-01 18:22:24,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 127 states and 175 transitions. [2020-12-01 18:22:24,254 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 175 transitions. [2020-12-01 18:22:24,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-01 18:22:24,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:24,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4760 backedges. 1116 proven. 3 refuted. 0 times theorem prover too weak. 3641 trivial. 0 not checked. [2020-12-01 18:22:24,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:24,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 128 states and 176 transitions. [2020-12-01 18:22:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 176 transitions. [2020-12-01 18:22:24,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-01 18:22:24,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:24,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4856 backedges. 1209 proven. 6 refuted. 0 times theorem prover too weak. 3641 trivial. 0 not checked. [2020-12-01 18:22:25,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:25,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 129 states and 177 transitions. [2020-12-01 18:22:25,256 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 177 transitions. [2020-12-01 18:22:25,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-01 18:22:25,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4953 backedges. 1302 proven. 10 refuted. 0 times theorem prover too weak. 3641 trivial. 0 not checked. [2020-12-01 18:22:25,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:25,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 130 states and 178 transitions. [2020-12-01 18:22:25,739 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 178 transitions. [2020-12-01 18:22:25,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-01 18:22:25,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:25,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5051 backedges. 1395 proven. 15 refuted. 0 times theorem prover too weak. 3641 trivial. 0 not checked. [2020-12-01 18:22:26,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:26,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 131 states and 178 transitions. [2020-12-01 18:22:26,216 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 178 transitions. [2020-12-01 18:22:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-12-01 18:22:26,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:26,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5150 backedges. 1503 proven. 24 refuted. 0 times theorem prover too weak. 3623 trivial. 0 not checked. [2020-12-01 18:22:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:28,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 135 states and 185 transitions. [2020-12-01 18:22:28,010 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 185 transitions. [2020-12-01 18:22:28,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-01 18:22:28,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5473 backedges. 1205 proven. 3 refuted. 0 times theorem prover too weak. 4265 trivial. 0 not checked. [2020-12-01 18:22:28,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:28,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 136 states and 186 transitions. [2020-12-01 18:22:28,536 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 186 transitions. [2020-12-01 18:22:28,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-01 18:22:28,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5576 backedges. 1305 proven. 6 refuted. 0 times theorem prover too weak. 4265 trivial. 0 not checked. [2020-12-01 18:22:29,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:29,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 137 states and 187 transitions. [2020-12-01 18:22:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 187 transitions. [2020-12-01 18:22:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-01 18:22:29,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:29,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5680 backedges. 1405 proven. 10 refuted. 0 times theorem prover too weak. 4265 trivial. 0 not checked. [2020-12-01 18:22:29,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:29,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 138 states and 188 transitions. [2020-12-01 18:22:29,651 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 188 transitions. [2020-12-01 18:22:29,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 18:22:29,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:29,695 INFO L134 CoverageAnalysis]: Checked inductivity of 5785 backedges. 1505 proven. 15 refuted. 0 times theorem prover too weak. 4265 trivial. 0 not checked. [2020-12-01 18:22:30,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 139 states and 188 transitions. [2020-12-01 18:22:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2020-12-01 18:22:30,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-01 18:22:30,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5891 backedges. 2150 proven. 97 refuted. 0 times theorem prover too weak. 3644 trivial. 0 not checked. [2020-12-01 18:22:32,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:32,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 143 states and 195 transitions. [2020-12-01 18:22:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 195 transitions. [2020-12-01 18:22:32,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-01 18:22:32,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6236 backedges. 1294 proven. 3 refuted. 0 times theorem prover too weak. 4939 trivial. 0 not checked. [2020-12-01 18:22:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 144 states and 196 transitions. [2020-12-01 18:22:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2020-12-01 18:22:32,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-01 18:22:32,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:32,701 INFO L134 CoverageAnalysis]: Checked inductivity of 6346 backedges. 1401 proven. 6 refuted. 0 times theorem prover too weak. 4939 trivial. 0 not checked. [2020-12-01 18:22:33,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:33,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 145 states and 197 transitions. [2020-12-01 18:22:33,299 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 197 transitions. [2020-12-01 18:22:33,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 18:22:33,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:33,387 INFO L134 CoverageAnalysis]: Checked inductivity of 6457 backedges. 1508 proven. 10 refuted. 0 times theorem prover too weak. 4939 trivial. 0 not checked. [2020-12-01 18:22:33,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:33,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 146 states and 198 transitions. [2020-12-01 18:22:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 198 transitions. [2020-12-01 18:22:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-01 18:22:33,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6569 backedges. 1615 proven. 15 refuted. 0 times theorem prover too weak. 4939 trivial. 0 not checked. [2020-12-01 18:22:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:34,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 147 states and 198 transitions. [2020-12-01 18:22:34,566 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 198 transitions. [2020-12-01 18:22:34,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-01 18:22:34,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:34,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6682 backedges. 2797 proven. 220 refuted. 0 times theorem prover too weak. 3665 trivial. 0 not checked. [2020-12-01 18:22:36,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:36,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 151 states and 205 transitions. [2020-12-01 18:22:36,695 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 205 transitions. [2020-12-01 18:22:36,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-01 18:22:36,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 7049 backedges. 1383 proven. 3 refuted. 0 times theorem prover too weak. 5663 trivial. 0 not checked. [2020-12-01 18:22:37,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:37,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 152 states and 206 transitions. [2020-12-01 18:22:37,351 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 206 transitions. [2020-12-01 18:22:37,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-12-01 18:22:37,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:37,404 INFO L134 CoverageAnalysis]: Checked inductivity of 7166 backedges. 1497 proven. 6 refuted. 0 times theorem prover too weak. 5663 trivial. 0 not checked. [2020-12-01 18:22:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:37,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 153 states and 207 transitions. [2020-12-01 18:22:37,954 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 207 transitions. [2020-12-01 18:22:37,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-12-01 18:22:37,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:38,008 INFO L134 CoverageAnalysis]: Checked inductivity of 7284 backedges. 1611 proven. 10 refuted. 0 times theorem prover too weak. 5663 trivial. 0 not checked. [2020-12-01 18:22:38,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:38,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 154 states and 208 transitions. [2020-12-01 18:22:38,547 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 208 transitions. [2020-12-01 18:22:38,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 18:22:38,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:38,598 INFO L134 CoverageAnalysis]: Checked inductivity of 7403 backedges. 1725 proven. 15 refuted. 0 times theorem prover too weak. 5663 trivial. 0 not checked. [2020-12-01 18:22:39,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:39,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 155 states and 208 transitions. [2020-12-01 18:22:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 208 transitions. [2020-12-01 18:22:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-12-01 18:22:39,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 7523 backedges. 3444 proven. 393 refuted. 0 times theorem prover too weak. 3686 trivial. 0 not checked. [2020-12-01 18:22:41,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 159 states and 214 transitions. [2020-12-01 18:22:41,348 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 214 transitions. [2020-12-01 18:22:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-12-01 18:22:41,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:41,399 INFO L134 CoverageAnalysis]: Checked inductivity of 7912 backedges. 1472 proven. 3 refuted. 0 times theorem prover too weak. 6437 trivial. 0 not checked. [2020-12-01 18:22:41,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:41,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 160 states and 215 transitions. [2020-12-01 18:22:41,912 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 215 transitions. [2020-12-01 18:22:41,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 18:22:41,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 8036 backedges. 1593 proven. 6 refuted. 0 times theorem prover too weak. 6437 trivial. 0 not checked. [2020-12-01 18:22:42,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:42,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 161 states and 216 transitions. [2020-12-01 18:22:42,495 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 216 transitions. [2020-12-01 18:22:42,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-12-01 18:22:42,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:42,636 INFO L134 CoverageAnalysis]: Checked inductivity of 8161 backedges. 1714 proven. 10 refuted. 0 times theorem prover too weak. 6437 trivial. 0 not checked. [2020-12-01 18:22:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 162 states and 217 transitions. [2020-12-01 18:22:43,241 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 217 transitions. [2020-12-01 18:22:43,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-01 18:22:43,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 8287 backedges. 1835 proven. 15 refuted. 0 times theorem prover too weak. 6437 trivial. 0 not checked. [2020-12-01 18:22:43,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:43,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 163 states and 217 transitions. [2020-12-01 18:22:43,850 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 217 transitions. [2020-12-01 18:22:43,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 18:22:43,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:43,897 INFO L134 CoverageAnalysis]: Checked inductivity of 8414 backedges. 1175 proven. 3 refuted. 0 times theorem prover too weak. 7236 trivial. 0 not checked. [2020-12-01 18:22:44,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:44,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 164 states and 218 transitions. [2020-12-01 18:22:44,421 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 218 transitions. [2020-12-01 18:22:44,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-12-01 18:22:44,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:44,471 INFO L134 CoverageAnalysis]: Checked inductivity of 8542 backedges. 1300 proven. 6 refuted. 0 times theorem prover too weak. 7236 trivial. 0 not checked. [2020-12-01 18:22:45,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:45,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 165 states and 219 transitions. [2020-12-01 18:22:45,014 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 219 transitions. [2020-12-01 18:22:45,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-12-01 18:22:45,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:45,145 INFO L134 CoverageAnalysis]: Checked inductivity of 8671 backedges. 1425 proven. 10 refuted. 0 times theorem prover too weak. 7236 trivial. 0 not checked. [2020-12-01 18:22:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 166 states and 220 transitions. [2020-12-01 18:22:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2020-12-01 18:22:45,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-01 18:22:45,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 8801 backedges. 1550 proven. 15 refuted. 0 times theorem prover too weak. 7236 trivial. 0 not checked. [2020-12-01 18:22:46,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:46,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 167 states and 220 transitions. [2020-12-01 18:22:46,292 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 220 transitions. [2020-12-01 18:22:46,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-12-01 18:22:46,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:46,569 INFO L134 CoverageAnalysis]: Checked inductivity of 8932 backedges. 0 proven. 6268 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2020-12-01 18:22:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 177 states and 239 transitions. [2020-12-01 18:22:51,925 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 239 transitions. [2020-12-01 18:22:51,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-12-01 18:22:51,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 9819 backedges. 1657 proven. 3 refuted. 0 times theorem prover too weak. 8159 trivial. 0 not checked. [2020-12-01 18:22:52,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 178 states and 240 transitions. [2020-12-01 18:22:52,659 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 240 transitions. [2020-12-01 18:22:52,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-12-01 18:22:52,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:52,724 INFO L134 CoverageAnalysis]: Checked inductivity of 9957 backedges. 1792 proven. 6 refuted. 0 times theorem prover too weak. 8159 trivial. 0 not checked. [2020-12-01 18:22:53,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:53,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 179 states and 241 transitions. [2020-12-01 18:22:53,293 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 241 transitions. [2020-12-01 18:22:53,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 18:22:53,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:53,343 INFO L134 CoverageAnalysis]: Checked inductivity of 10096 backedges. 1927 proven. 10 refuted. 0 times theorem prover too weak. 8159 trivial. 0 not checked. [2020-12-01 18:22:53,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:53,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 180 states and 242 transitions. [2020-12-01 18:22:53,902 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 242 transitions. [2020-12-01 18:22:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-01 18:22:53,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 10236 backedges. 2062 proven. 15 refuted. 0 times theorem prover too weak. 8159 trivial. 0 not checked. [2020-12-01 18:22:54,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:54,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 242 transitions. [2020-12-01 18:22:54,621 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 242 transitions. [2020-12-01 18:22:54,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-12-01 18:22:54,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:54,700 INFO L134 CoverageAnalysis]: Checked inductivity of 10377 backedges. 2219 proven. 24 refuted. 0 times theorem prover too weak. 8134 trivial. 0 not checked. [2020-12-01 18:22:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 185 states and 249 transitions. [2020-12-01 18:22:57,010 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 249 transitions. [2020-12-01 18:22:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-01 18:22:57,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 10833 backedges. 1746 proven. 3 refuted. 0 times theorem prover too weak. 9084 trivial. 0 not checked. [2020-12-01 18:22:57,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 186 states and 250 transitions. [2020-12-01 18:22:57,645 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 250 transitions. [2020-12-01 18:22:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-12-01 18:22:57,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 10978 backedges. 1888 proven. 6 refuted. 0 times theorem prover too weak. 9084 trivial. 0 not checked. [2020-12-01 18:22:58,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:58,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 187 states and 251 transitions. [2020-12-01 18:22:58,383 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 251 transitions. [2020-12-01 18:22:58,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-12-01 18:22:58,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:58,434 INFO L134 CoverageAnalysis]: Checked inductivity of 11124 backedges. 2030 proven. 10 refuted. 0 times theorem prover too weak. 9084 trivial. 0 not checked. [2020-12-01 18:22:59,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 188 states and 252 transitions. [2020-12-01 18:22:59,048 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 252 transitions. [2020-12-01 18:22:59,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-01 18:22:59,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:59,117 INFO L134 CoverageAnalysis]: Checked inductivity of 11271 backedges. 2172 proven. 15 refuted. 0 times theorem prover too weak. 9084 trivial. 0 not checked. [2020-12-01 18:22:59,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 189 states and 252 transitions. [2020-12-01 18:22:59,762 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 252 transitions. [2020-12-01 18:22:59,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-12-01 18:22:59,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:59,831 INFO L134 CoverageAnalysis]: Checked inductivity of 11419 backedges. 3167 proven. 97 refuted. 0 times theorem prover too weak. 8155 trivial. 0 not checked. [2020-12-01 18:23:02,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 193 states and 259 transitions. [2020-12-01 18:23:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 259 transitions. [2020-12-01 18:23:02,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 18:23:02,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:02,319 INFO L134 CoverageAnalysis]: Checked inductivity of 11897 backedges. 1835 proven. 3 refuted. 0 times theorem prover too weak. 10059 trivial. 0 not checked. [2020-12-01 18:23:02,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 194 states and 260 transitions. [2020-12-01 18:23:02,931 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 260 transitions. [2020-12-01 18:23:02,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-12-01 18:23:02,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 12049 backedges. 1984 proven. 6 refuted. 0 times theorem prover too weak. 10059 trivial. 0 not checked. [2020-12-01 18:23:03,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:03,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 195 states and 261 transitions. [2020-12-01 18:23:03,598 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 261 transitions. [2020-12-01 18:23:03,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 18:23:03,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:03,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12202 backedges. 2133 proven. 10 refuted. 0 times theorem prover too weak. 10059 trivial. 0 not checked. [2020-12-01 18:23:04,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 196 states and 262 transitions. [2020-12-01 18:23:04,287 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 262 transitions. [2020-12-01 18:23:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-12-01 18:23:04,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12356 backedges. 2282 proven. 15 refuted. 0 times theorem prover too weak. 10059 trivial. 0 not checked. [2020-12-01 18:23:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 197 states and 262 transitions. [2020-12-01 18:23:05,067 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 262 transitions. [2020-12-01 18:23:05,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-12-01 18:23:05,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 12511 backedges. 4115 proven. 220 refuted. 0 times theorem prover too weak. 8176 trivial. 0 not checked. [2020-12-01 18:23:07,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 201 states and 269 transitions. [2020-12-01 18:23:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 269 transitions. [2020-12-01 18:23:07,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-12-01 18:23:07,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 13011 backedges. 1924 proven. 3 refuted. 0 times theorem prover too weak. 11084 trivial. 0 not checked. [2020-12-01 18:23:08,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:08,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 202 states and 270 transitions. [2020-12-01 18:23:08,539 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 270 transitions. [2020-12-01 18:23:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-01 18:23:08,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 13170 backedges. 2080 proven. 6 refuted. 0 times theorem prover too weak. 11084 trivial. 0 not checked. [2020-12-01 18:23:09,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:09,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 203 states and 271 transitions. [2020-12-01 18:23:09,329 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 271 transitions. [2020-12-01 18:23:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-12-01 18:23:09,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 13330 backedges. 2236 proven. 10 refuted. 0 times theorem prover too weak. 11084 trivial. 0 not checked. [2020-12-01 18:23:10,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:10,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 204 states and 272 transitions. [2020-12-01 18:23:10,126 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 272 transitions. [2020-12-01 18:23:10,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-12-01 18:23:10,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 13491 backedges. 2392 proven. 15 refuted. 0 times theorem prover too weak. 11084 trivial. 0 not checked. [2020-12-01 18:23:10,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:10,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 205 states and 272 transitions. [2020-12-01 18:23:10,878 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 272 transitions. [2020-12-01 18:23:10,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-12-01 18:23:10,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:10,932 INFO L134 CoverageAnalysis]: Checked inductivity of 13653 backedges. 5063 proven. 393 refuted. 0 times theorem prover too weak. 8197 trivial. 0 not checked. [2020-12-01 18:23:13,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:13,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 209 states and 278 transitions. [2020-12-01 18:23:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 278 transitions. [2020-12-01 18:23:13,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 18:23:13,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:13,772 INFO L134 CoverageAnalysis]: Checked inductivity of 14175 backedges. 2013 proven. 3 refuted. 0 times theorem prover too weak. 12159 trivial. 0 not checked. [2020-12-01 18:23:14,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:14,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 210 states and 279 transitions. [2020-12-01 18:23:14,461 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 279 transitions. [2020-12-01 18:23:14,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-12-01 18:23:14,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:14,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14341 backedges. 2176 proven. 6 refuted. 0 times theorem prover too weak. 12159 trivial. 0 not checked. [2020-12-01 18:23:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:15,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 211 states and 280 transitions. [2020-12-01 18:23:15,248 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 280 transitions. [2020-12-01 18:23:15,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-12-01 18:23:15,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 14508 backedges. 2339 proven. 10 refuted. 0 times theorem prover too weak. 12159 trivial. 0 not checked. [2020-12-01 18:23:16,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:16,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 212 states and 281 transitions. [2020-12-01 18:23:16,008 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2020-12-01 18:23:16,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-01 18:23:16,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:16,162 INFO L134 CoverageAnalysis]: Checked inductivity of 14676 backedges. 2502 proven. 15 refuted. 0 times theorem prover too weak. 12159 trivial. 0 not checked. [2020-12-01 18:23:16,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 213 states and 281 transitions. [2020-12-01 18:23:16,918 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 281 transitions. [2020-12-01 18:23:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-01 18:23:16,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 14845 backedges. 1583 proven. 3 refuted. 0 times theorem prover too weak. 13259 trivial. 0 not checked. [2020-12-01 18:23:17,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:17,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 214 states and 282 transitions. [2020-12-01 18:23:17,672 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 282 transitions. [2020-12-01 18:23:17,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-12-01 18:23:17,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:17,742 INFO L134 CoverageAnalysis]: Checked inductivity of 15015 backedges. 1750 proven. 6 refuted. 0 times theorem prover too weak. 13259 trivial. 0 not checked. [2020-12-01 18:23:18,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:18,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 215 states and 283 transitions. [2020-12-01 18:23:18,487 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 283 transitions. [2020-12-01 18:23:18,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-12-01 18:23:18,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 15186 backedges. 1917 proven. 10 refuted. 0 times theorem prover too weak. 13259 trivial. 0 not checked. [2020-12-01 18:23:19,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:19,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 216 states and 284 transitions. [2020-12-01 18:23:19,306 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 284 transitions. [2020-12-01 18:23:19,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-12-01 18:23:19,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 15358 backedges. 2084 proven. 15 refuted. 0 times theorem prover too weak. 13259 trivial. 0 not checked. [2020-12-01 18:23:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:20,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 217 states and 284 transitions. [2020-12-01 18:23:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 284 transitions. [2020-12-01 18:23:20,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-12-01 18:23:20,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:20,564 INFO L134 CoverageAnalysis]: Checked inductivity of 15531 backedges. 0 proven. 11985 refuted. 0 times theorem prover too weak. 3546 trivial. 0 not checked. [2020-12-01 18:23:28,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:28,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 227 states and 302 transitions. [2020-12-01 18:23:28,064 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 302 transitions. [2020-12-01 18:23:28,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-01 18:23:28,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:28,125 INFO L134 CoverageAnalysis]: Checked inductivity of 16692 backedges. 2198 proven. 3 refuted. 0 times theorem prover too weak. 14491 trivial. 0 not checked. [2020-12-01 18:23:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:28,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 228 states and 303 transitions. [2020-12-01 18:23:28,875 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 303 transitions. [2020-12-01 18:23:28,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-12-01 18:23:28,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:28,945 INFO L134 CoverageAnalysis]: Checked inductivity of 16872 backedges. 2375 proven. 6 refuted. 0 times theorem prover too weak. 14491 trivial. 0 not checked. [2020-12-01 18:23:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 229 states and 304 transitions. [2020-12-01 18:23:29,698 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 304 transitions. [2020-12-01 18:23:29,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-12-01 18:23:29,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 17053 backedges. 2552 proven. 10 refuted. 0 times theorem prover too weak. 14491 trivial. 0 not checked. [2020-12-01 18:23:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 230 states and 305 transitions. [2020-12-01 18:23:30,633 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 305 transitions. [2020-12-01 18:23:30,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-12-01 18:23:30,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:30,696 INFO L134 CoverageAnalysis]: Checked inductivity of 17235 backedges. 2729 proven. 15 refuted. 0 times theorem prover too weak. 14491 trivial. 0 not checked. [2020-12-01 18:23:31,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:31,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 231 states and 305 transitions. [2020-12-01 18:23:31,473 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 305 transitions. [2020-12-01 18:23:31,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-12-01 18:23:31,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:31,545 INFO L134 CoverageAnalysis]: Checked inductivity of 17418 backedges. 2935 proven. 24 refuted. 0 times theorem prover too weak. 14459 trivial. 0 not checked. [2020-12-01 18:23:34,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 235 states and 312 transitions. [2020-12-01 18:23:34,697 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 312 transitions. [2020-12-01 18:23:34,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-12-01 18:23:34,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:34,772 INFO L134 CoverageAnalysis]: Checked inductivity of 18007 backedges. 2287 proven. 3 refuted. 0 times theorem prover too weak. 15717 trivial. 0 not checked. [2020-12-01 18:23:35,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:35,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 236 states and 313 transitions. [2020-12-01 18:23:35,702 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 313 transitions. [2020-12-01 18:23:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-12-01 18:23:35,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 18194 backedges. 2471 proven. 6 refuted. 0 times theorem prover too weak. 15717 trivial. 0 not checked. [2020-12-01 18:23:36,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:36,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 237 states and 314 transitions. [2020-12-01 18:23:36,596 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 314 transitions. [2020-12-01 18:23:36,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-12-01 18:23:36,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 18382 backedges. 2655 proven. 10 refuted. 0 times theorem prover too weak. 15717 trivial. 0 not checked. [2020-12-01 18:23:37,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:37,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 238 states and 315 transitions. [2020-12-01 18:23:37,504 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 315 transitions. [2020-12-01 18:23:37,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-12-01 18:23:37,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:37,570 INFO L134 CoverageAnalysis]: Checked inductivity of 18571 backedges. 2839 proven. 15 refuted. 0 times theorem prover too weak. 15717 trivial. 0 not checked. [2020-12-01 18:23:38,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:38,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 239 states and 315 transitions. [2020-12-01 18:23:38,433 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 315 transitions. [2020-12-01 18:23:38,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-12-01 18:23:38,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:38,499 INFO L134 CoverageAnalysis]: Checked inductivity of 18761 backedges. 4184 proven. 97 refuted. 0 times theorem prover too weak. 14480 trivial. 0 not checked. [2020-12-01 18:23:41,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:41,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 243 states and 322 transitions. [2020-12-01 18:23:41,930 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 322 transitions. [2020-12-01 18:23:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-12-01 18:23:41,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 19372 backedges. 2376 proven. 3 refuted. 0 times theorem prover too weak. 16993 trivial. 0 not checked. [2020-12-01 18:23:42,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:42,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 244 states and 323 transitions. [2020-12-01 18:23:42,836 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 323 transitions. [2020-12-01 18:23:42,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-12-01 18:23:42,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:42,909 INFO L134 CoverageAnalysis]: Checked inductivity of 19566 backedges. 2567 proven. 6 refuted. 0 times theorem prover too weak. 16993 trivial. 0 not checked. [2020-12-01 18:23:43,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:43,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 245 states and 324 transitions. [2020-12-01 18:23:43,739 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 324 transitions. [2020-12-01 18:23:43,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-12-01 18:23:43,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:43,806 INFO L134 CoverageAnalysis]: Checked inductivity of 19761 backedges. 2758 proven. 10 refuted. 0 times theorem prover too weak. 16993 trivial. 0 not checked. [2020-12-01 18:23:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:44,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 246 states and 325 transitions. [2020-12-01 18:23:44,661 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 325 transitions. [2020-12-01 18:23:44,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-12-01 18:23:44,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 19957 backedges. 2949 proven. 15 refuted. 0 times theorem prover too weak. 16993 trivial. 0 not checked. [2020-12-01 18:23:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:45,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 247 states and 325 transitions. [2020-12-01 18:23:45,786 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 325 transitions. [2020-12-01 18:23:45,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-12-01 18:23:45,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:45,899 INFO L134 CoverageAnalysis]: Checked inductivity of 20154 backedges. 5433 proven. 220 refuted. 0 times theorem prover too weak. 14501 trivial. 0 not checked. [2020-12-01 18:23:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:49,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 251 states and 332 transitions. [2020-12-01 18:23:49,599 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 332 transitions. [2020-12-01 18:23:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-12-01 18:23:49,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:49,685 INFO L134 CoverageAnalysis]: Checked inductivity of 20787 backedges. 2465 proven. 3 refuted. 0 times theorem prover too weak. 18319 trivial. 0 not checked. [2020-12-01 18:23:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:50,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 252 states and 333 transitions. [2020-12-01 18:23:50,654 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 333 transitions. [2020-12-01 18:23:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-12-01 18:23:50,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 20988 backedges. 2663 proven. 6 refuted. 0 times theorem prover too weak. 18319 trivial. 0 not checked. [2020-12-01 18:23:51,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:51,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 253 states and 334 transitions. [2020-12-01 18:23:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 334 transitions. [2020-12-01 18:23:51,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-12-01 18:23:51,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:51,853 INFO L134 CoverageAnalysis]: Checked inductivity of 21190 backedges. 2861 proven. 10 refuted. 0 times theorem prover too weak. 18319 trivial. 0 not checked. [2020-12-01 18:23:52,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:52,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 254 states and 335 transitions. [2020-12-01 18:23:52,795 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 335 transitions. [2020-12-01 18:23:52,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-12-01 18:23:52,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 21393 backedges. 3059 proven. 15 refuted. 0 times theorem prover too weak. 18319 trivial. 0 not checked. [2020-12-01 18:23:53,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 255 states and 335 transitions. [2020-12-01 18:23:53,846 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 335 transitions. [2020-12-01 18:23:53,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-12-01 18:23:53,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:53,928 INFO L134 CoverageAnalysis]: Checked inductivity of 21597 backedges. 6682 proven. 393 refuted. 0 times theorem prover too weak. 14522 trivial. 0 not checked. [2020-12-01 18:23:57,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:57,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 259 states and 341 transitions. [2020-12-01 18:23:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 341 transitions. [2020-12-01 18:23:57,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-12-01 18:23:57,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:57,820 INFO L134 CoverageAnalysis]: Checked inductivity of 22252 backedges. 2554 proven. 3 refuted. 0 times theorem prover too weak. 19695 trivial. 0 not checked. [2020-12-01 18:23:58,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 260 states and 342 transitions. [2020-12-01 18:23:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 342 transitions. [2020-12-01 18:23:58,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-12-01 18:23:58,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:58,849 INFO L134 CoverageAnalysis]: Checked inductivity of 22460 backedges. 2759 proven. 6 refuted. 0 times theorem prover too weak. 19695 trivial. 0 not checked. [2020-12-01 18:23:59,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:59,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 261 states and 343 transitions. [2020-12-01 18:23:59,798 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 343 transitions. [2020-12-01 18:23:59,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-12-01 18:23:59,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:59,912 INFO L134 CoverageAnalysis]: Checked inductivity of 22669 backedges. 2964 proven. 10 refuted. 0 times theorem prover too weak. 19695 trivial. 0 not checked. [2020-12-01 18:24:00,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:00,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 262 states and 344 transitions. [2020-12-01 18:24:00,913 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 344 transitions. [2020-12-01 18:24:00,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-12-01 18:24:00,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:01,015 INFO L134 CoverageAnalysis]: Checked inductivity of 22879 backedges. 3169 proven. 15 refuted. 0 times theorem prover too weak. 19695 trivial. 0 not checked. [2020-12-01 18:24:02,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:02,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 263 states and 344 transitions. [2020-12-01 18:24:02,167 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 344 transitions. [2020-12-01 18:24:02,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-12-01 18:24:02,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:02,278 INFO L134 CoverageAnalysis]: Checked inductivity of 23090 backedges. 1991 proven. 3 refuted. 0 times theorem prover too weak. 21096 trivial. 0 not checked. [2020-12-01 18:24:03,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:03,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 264 states and 345 transitions. [2020-12-01 18:24:03,237 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 345 transitions. [2020-12-01 18:24:03,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-12-01 18:24:03,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:03,442 INFO L134 CoverageAnalysis]: Checked inductivity of 23302 backedges. 2200 proven. 6 refuted. 0 times theorem prover too weak. 21096 trivial. 0 not checked. [2020-12-01 18:24:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 265 states and 346 transitions. [2020-12-01 18:24:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 346 transitions. [2020-12-01 18:24:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-12-01 18:24:04,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 23515 backedges. 2409 proven. 10 refuted. 0 times theorem prover too weak. 21096 trivial. 0 not checked. [2020-12-01 18:24:05,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 266 states and 347 transitions. [2020-12-01 18:24:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 347 transitions. [2020-12-01 18:24:05,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-12-01 18:24:05,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 23729 backedges. 2618 proven. 15 refuted. 0 times theorem prover too weak. 21096 trivial. 0 not checked. [2020-12-01 18:24:06,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:06,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 267 states and 347 transitions. [2020-12-01 18:24:06,585 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 347 transitions. [2020-12-01 18:24:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-12-01 18:24:06,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 23944 backedges. 1347 proven. 3 refuted. 0 times theorem prover too weak. 22594 trivial. 0 not checked. [2020-12-01 18:24:07,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 268 states and 348 transitions. [2020-12-01 18:24:07,626 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 348 transitions. [2020-12-01 18:24:07,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-12-01 18:24:07,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:07,709 INFO L134 CoverageAnalysis]: Checked inductivity of 24160 backedges. 1560 proven. 6 refuted. 0 times theorem prover too weak. 22594 trivial. 0 not checked. [2020-12-01 18:24:08,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:08,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 269 states and 349 transitions. [2020-12-01 18:24:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 349 transitions. [2020-12-01 18:24:08,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-12-01 18:24:08,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 24377 backedges. 1773 proven. 10 refuted. 0 times theorem prover too weak. 22594 trivial. 0 not checked. [2020-12-01 18:24:09,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:09,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 270 states and 350 transitions. [2020-12-01 18:24:09,934 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 350 transitions. [2020-12-01 18:24:09,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-12-01 18:24:09,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:10,088 INFO L134 CoverageAnalysis]: Checked inductivity of 24595 backedges. 1986 proven. 15 refuted. 0 times theorem prover too weak. 22594 trivial. 0 not checked. [2020-12-01 18:24:11,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:11,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 271 states and 350 transitions. [2020-12-01 18:24:11,229 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 350 transitions. [2020-12-01 18:24:11,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-12-01 18:24:11,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 24814 backedges. 2211 proven. 24 refuted. 0 times theorem prover too weak. 22579 trivial. 0 not checked. [2020-12-01 18:24:15,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:15,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 275 states and 357 transitions. [2020-12-01 18:24:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 357 transitions. [2020-12-01 18:24:15,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-12-01 18:24:15,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:15,325 INFO L134 CoverageAnalysis]: Checked inductivity of 25515 backedges. 1391 proven. 3 refuted. 0 times theorem prover too weak. 24121 trivial. 0 not checked. [2020-12-01 18:24:16,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:16,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 276 states and 358 transitions. [2020-12-01 18:24:16,356 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 358 transitions. [2020-12-01 18:24:16,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-12-01 18:24:16,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 25738 backedges. 1611 proven. 6 refuted. 0 times theorem prover too weak. 24121 trivial. 0 not checked. [2020-12-01 18:24:17,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:17,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 277 states and 359 transitions. [2020-12-01 18:24:17,633 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 359 transitions. [2020-12-01 18:24:17,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-12-01 18:24:17,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:17,717 INFO L134 CoverageAnalysis]: Checked inductivity of 25962 backedges. 1831 proven. 10 refuted. 0 times theorem prover too weak. 24121 trivial. 0 not checked. [2020-12-01 18:24:18,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:18,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 278 states and 360 transitions. [2020-12-01 18:24:18,778 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 360 transitions. [2020-12-01 18:24:18,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-12-01 18:24:18,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 26187 backedges. 2051 proven. 15 refuted. 0 times theorem prover too weak. 24121 trivial. 0 not checked. [2020-12-01 18:24:19,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:19,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 279 states and 360 transitions. [2020-12-01 18:24:19,945 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 360 transitions. [2020-12-01 18:24:19,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-12-01 18:24:19,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:20,034 INFO L134 CoverageAnalysis]: Checked inductivity of 26413 backedges. 3716 proven. 97 refuted. 0 times theorem prover too weak. 22600 trivial. 0 not checked. [2020-12-01 18:24:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 283 states and 367 transitions. [2020-12-01 18:24:24,217 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 367 transitions. [2020-12-01 18:24:24,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-12-01 18:24:24,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:24,306 INFO L134 CoverageAnalysis]: Checked inductivity of 27136 backedges. 1435 proven. 3 refuted. 0 times theorem prover too weak. 25698 trivial. 0 not checked. [2020-12-01 18:24:25,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:25,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 284 states and 368 transitions. [2020-12-01 18:24:25,519 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 368 transitions. [2020-12-01 18:24:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-12-01 18:24:25,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 27366 backedges. 1662 proven. 6 refuted. 0 times theorem prover too weak. 25698 trivial. 0 not checked. [2020-12-01 18:24:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 285 states and 369 transitions. [2020-12-01 18:24:26,703 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 369 transitions. [2020-12-01 18:24:26,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-12-01 18:24:26,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 27597 backedges. 1889 proven. 10 refuted. 0 times theorem prover too weak. 25698 trivial. 0 not checked. [2020-12-01 18:24:27,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 286 states and 370 transitions. [2020-12-01 18:24:27,901 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 370 transitions. [2020-12-01 18:24:27,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-12-01 18:24:27,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 27829 backedges. 2116 proven. 15 refuted. 0 times theorem prover too weak. 25698 trivial. 0 not checked. [2020-12-01 18:24:29,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:29,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 287 states and 370 transitions. [2020-12-01 18:24:29,112 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 370 transitions. [2020-12-01 18:24:29,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-12-01 18:24:29,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:29,206 INFO L134 CoverageAnalysis]: Checked inductivity of 28062 backedges. 5221 proven. 220 refuted. 0 times theorem prover too weak. 22621 trivial. 0 not checked. [2020-12-01 18:24:33,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:33,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 291 states and 377 transitions. [2020-12-01 18:24:33,827 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 377 transitions. [2020-12-01 18:24:33,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-12-01 18:24:33,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 28807 backedges. 1479 proven. 3 refuted. 0 times theorem prover too weak. 27325 trivial. 0 not checked. [2020-12-01 18:24:35,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:35,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 292 states and 378 transitions. [2020-12-01 18:24:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 378 transitions. [2020-12-01 18:24:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-12-01 18:24:35,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 29044 backedges. 1713 proven. 6 refuted. 0 times theorem prover too weak. 27325 trivial. 0 not checked. [2020-12-01 18:24:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 293 states and 379 transitions. [2020-12-01 18:24:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 379 transitions. [2020-12-01 18:24:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-12-01 18:24:36,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 29282 backedges. 1947 proven. 10 refuted. 0 times theorem prover too weak. 27325 trivial. 0 not checked. [2020-12-01 18:24:37,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:37,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 294 states and 380 transitions. [2020-12-01 18:24:37,564 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 380 transitions. [2020-12-01 18:24:37,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-12-01 18:24:37,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:37,656 INFO L134 CoverageAnalysis]: Checked inductivity of 29521 backedges. 2181 proven. 15 refuted. 0 times theorem prover too weak. 27325 trivial. 0 not checked. [2020-12-01 18:24:38,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 295 states and 380 transitions. [2020-12-01 18:24:38,846 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 380 transitions. [2020-12-01 18:24:38,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-12-01 18:24:38,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:38,944 INFO L134 CoverageAnalysis]: Checked inductivity of 29761 backedges. 6726 proven. 393 refuted. 0 times theorem prover too weak. 22642 trivial. 0 not checked. [2020-12-01 18:24:43,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 299 states and 386 transitions. [2020-12-01 18:24:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 386 transitions. [2020-12-01 18:24:43,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-12-01 18:24:43,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:44,032 INFO L134 CoverageAnalysis]: Checked inductivity of 30528 backedges. 1523 proven. 3 refuted. 0 times theorem prover too weak. 29002 trivial. 0 not checked. [2020-12-01 18:24:45,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:45,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 300 states and 387 transitions. [2020-12-01 18:24:45,248 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 387 transitions. [2020-12-01 18:24:45,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-12-01 18:24:45,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 30772 backedges. 1764 proven. 6 refuted. 0 times theorem prover too weak. 29002 trivial. 0 not checked. [2020-12-01 18:24:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:46,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 301 states and 388 transitions. [2020-12-01 18:24:46,806 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 388 transitions. [2020-12-01 18:24:46,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-12-01 18:24:46,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 31017 backedges. 2005 proven. 10 refuted. 0 times theorem prover too weak. 29002 trivial. 0 not checked. [2020-12-01 18:24:48,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:48,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 302 states and 389 transitions. [2020-12-01 18:24:48,205 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 389 transitions. [2020-12-01 18:24:48,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-12-01 18:24:48,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:48,303 INFO L134 CoverageAnalysis]: Checked inductivity of 31263 backedges. 2246 proven. 15 refuted. 0 times theorem prover too weak. 29002 trivial. 0 not checked. [2020-12-01 18:24:49,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 303 states and 389 transitions. [2020-12-01 18:24:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 389 transitions. [2020-12-01 18:24:49,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-12-01 18:24:49,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:49,670 INFO L134 CoverageAnalysis]: Checked inductivity of 31510 backedges. 782 proven. 3 refuted. 0 times theorem prover too weak. 30725 trivial. 0 not checked. [2020-12-01 18:24:51,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:51,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 304 states and 390 transitions. [2020-12-01 18:24:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 390 transitions. [2020-12-01 18:24:51,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-12-01 18:24:51,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 31758 backedges. 1027 proven. 6 refuted. 0 times theorem prover too weak. 30725 trivial. 0 not checked. [2020-12-01 18:24:52,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:52,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 305 states and 391 transitions. [2020-12-01 18:24:52,467 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 391 transitions. [2020-12-01 18:24:52,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-12-01 18:24:52,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:52,566 INFO L134 CoverageAnalysis]: Checked inductivity of 32007 backedges. 1272 proven. 10 refuted. 0 times theorem prover too weak. 30725 trivial. 0 not checked. [2020-12-01 18:24:53,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:53,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 306 states and 392 transitions. [2020-12-01 18:24:53,866 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 392 transitions. [2020-12-01 18:24:53,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-12-01 18:24:53,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:53,977 INFO L134 CoverageAnalysis]: Checked inductivity of 32257 backedges. 1517 proven. 15 refuted. 0 times theorem prover too weak. 30725 trivial. 0 not checked. [2020-12-01 18:24:55,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:55,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 307 states and 392 transitions. [2020-12-01 18:24:55,425 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 392 transitions. [2020-12-01 18:24:55,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-12-01 18:24:55,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 32508 backedges. 0 proven. 27993 refuted. 0 times theorem prover too weak. 4515 trivial. 0 not checked. [2020-12-01 18:25:53,135 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2020-12-01 18:26:50,145 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-01 18:26:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 305 states and 390 transitions. [2020-12-01 18:26:59,398 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 390 transitions. [2020-12-01 18:26:59,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:26:59,399 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 180 iterations. [2020-12-01 18:26:59,407 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:26:59,582 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 13 [2020-12-01 18:27:00,018 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 15 [2020-12-01 18:27:03,765 WARN L197 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 298 DAG size of output: 14 [2020-12-01 18:27:03,766 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:27:03,771 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-12-01 18:27:03,780 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-12-01 18:27:03,787 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-12-01 18:27:03,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:27:03 ImpRootNode [2020-12-01 18:27:03,790 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:27:03,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:27:03,791 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:27:03,791 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:27:03,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:21:46" (3/4) ... [2020-12-01 18:27:03,796 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:27:03,816 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 18:27:03,816 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 18:27:03,816 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:27:03,817 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:27:03,874 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_235725d8-7e9a-4d11-8cd1-331734cac8f6/bin/ukojak/witness.graphml [2020-12-01 18:27:03,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:27:03,878 INFO L168 Benchmark]: Toolchain (without parser) took 318074.00 ms. Allocated memory was 113.2 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 80.7 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 862.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:27:03,878 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 77.6 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:27:03,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.28 ms. Allocated memory is still 113.2 MB. Free memory was 80.7 MB in the beginning and 89.4 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:27:03,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.59 ms. Allocated memory is still 113.2 MB. Free memory was 89.4 MB in the beginning and 87.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:27:03,879 INFO L168 Benchmark]: Boogie Preprocessor took 19.95 ms. Allocated memory is still 113.2 MB. Free memory was 87.9 MB in the beginning and 86.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:27:03,880 INFO L168 Benchmark]: RCFGBuilder took 407.03 ms. Allocated memory is still 113.2 MB. Free memory was 86.7 MB in the beginning and 72.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:27:03,880 INFO L168 Benchmark]: CodeCheck took 317194.51 ms. Allocated memory was 113.2 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 72.0 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. [2020-12-01 18:27:03,881 INFO L168 Benchmark]: Witness Printer took 83.89 ms. Allocated memory is still 2.8 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:27:03,883 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, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 312.7s, OverallIterations: 180, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 69273630 SDslu, 0 SDs, 0 SdLazy, -285619814 SolverSat, 1584771356 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 250.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188984 GetRequests, 186375 SyntacticMatches, 1177 SemanticMatches, 1432 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016647 ImplicationChecksByTransitivity, 293.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 16.8s InterpolantComputationTime, 29047 NumberOfCodeBlocks, 29047 NumberOfCodeBlocksAsserted, 179 NumberOfCheckSat, 28868 ConstructedInterpolants, 0 QuantifiedInterpolants, 6870760 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 179 InterpolantComputations, 3 PerfectInterpolantSequences, 1992558/2047076 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: 13]: 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: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((((a <= 6 && c <= 6) && 5 < c) && b <= 6) && 5 < b) || a <= 5 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (a <= 4 || (b <= 5 && a <= 5)) || (((c <= 6 && 5 < c) && b <= 6) && a <= 5) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (a <= 4 || (b <= 4 && a <= 5)) || ((c <= 6 && b <= 5) && a <= 5) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 77.6 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 321.28 ms. Allocated memory is still 113.2 MB. Free memory was 80.7 MB in the beginning and 89.4 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.59 ms. Allocated memory is still 113.2 MB. Free memory was 89.4 MB in the beginning and 87.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.95 ms. Allocated memory is still 113.2 MB. Free memory was 87.9 MB in the beginning and 86.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 407.03 ms. Allocated memory is still 113.2 MB. Free memory was 86.7 MB in the beginning and 72.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 317194.51 ms. Allocated memory was 113.2 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 72.0 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. * Witness Printer took 83.89 ms. Allocated memory is still 2.8 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 2.1 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...