./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/diamond_1-2.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_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/diamond_1-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/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 98a25bc9184960cfd1e3dbcc73ba5f610d35e2a4 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:39:47,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:39:47,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:39:47,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:39:47,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:39:47,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:39:47,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:39:47,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:39:47,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:39:47,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:39:47,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:39:47,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:39:47,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:39:47,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:39:47,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:39:47,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:39:47,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:39:47,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:39:47,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:39:47,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:39:47,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:39:47,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:39:47,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:39:47,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:39:47,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:39:47,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:39:47,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:39:47,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:39:47,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:39:47,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:39:47,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:39:47,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:39:47,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:39:47,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:39:47,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:39:47,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:39:47,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:39:47,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:39:47,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:39:47,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:39:47,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:39:47,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:39:47,220 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:39:47,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:39:47,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:39:47,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:39:47,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:39:47,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:39:47,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:39:47,224 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:39:47,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:39:47,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:39:47,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:39:47,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:39:47,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:39:47,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:39:47,228 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:39:47,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:39:47,228 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:39:47,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:39:47,229 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:39:47,229 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:39:47,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:39:47,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:39:47,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:39:47,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:39:47,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:39:47,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:39:47,231 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:39:47,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:39:47,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:39:47,234 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_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98a25bc9184960cfd1e3dbcc73ba5f610d35e2a4 [2020-12-01 16:39:47,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:39:47,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:39:47,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:39:47,720 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:39:47,721 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:39:47,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/bin/ukojak/../../sv-benchmarks/c/loop-acceleration/diamond_1-2.c [2020-12-01 16:39:47,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/bin/ukojak/data/a83a4bdde/08c6db96a189472d91d86aa729624bb0/FLAG0e8e286ce [2020-12-01 16:39:48,551 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:39:48,553 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/sv-benchmarks/c/loop-acceleration/diamond_1-2.c [2020-12-01 16:39:48,567 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/bin/ukojak/data/a83a4bdde/08c6db96a189472d91d86aa729624bb0/FLAG0e8e286ce [2020-12-01 16:39:48,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/bin/ukojak/data/a83a4bdde/08c6db96a189472d91d86aa729624bb0 [2020-12-01 16:39:48,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:39:48,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:39:48,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:39:48,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:39:48,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:39:48,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:39:48" (1/1) ... [2020-12-01 16:39:48,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160e58f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:48, skipping insertion in model container [2020-12-01 16:39:48,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:39:48" (1/1) ... [2020-12-01 16:39:48,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:39:48,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:39:49,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:39:49,235 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:39:49,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:39:49,283 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:39:49,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49 WrapperNode [2020-12-01 16:39:49,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:39:49,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:39:49,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:39:49,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:39:49,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2020-12-01 16:39:49,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2020-12-01 16:39:49,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:39:49,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:39:49,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:39:49,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:39:49,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2020-12-01 16:39:49,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2020-12-01 16:39:49,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2020-12-01 16:39:49,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2020-12-01 16:39:49,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2020-12-01 16:39:49,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2020-12-01 16:39:49,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2020-12-01 16:39:49,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:39:49,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:39:49,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:39:49,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:39:49,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/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 16:39:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:39:49,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:39:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:39:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:39:49,823 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:39:49,823 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:39:49,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:39:49 BoogieIcfgContainer [2020-12-01 16:39:49,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:39:49,826 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:39:49,826 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:39:49,838 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:39:49,851 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:39:49" (1/1) ... [2020-12-01 16:39:49,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:39:49,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:49,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2020-12-01 16:39:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2020-12-01 16:39:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:39:49,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:50,138 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 16:39:50,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-12-01 16:39:50,176 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-12-01 16:39:50,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:39:50,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:50,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2020-12-01 16:39:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2020-12-01 16:39:50,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 16:39:50,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:50,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:50,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:50,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2020-12-01 16:39:50,894 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-12-01 16:39:50,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:39:50,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:51,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:51,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:51,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2020-12-01 16:39:51,506 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2020-12-01 16:39:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:39:51,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:52,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2020-12-01 16:39:52,003 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2020-12-01 16:39:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:39:52,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:52,179 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:52,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:52,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2020-12-01 16:39:52,637 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2020-12-01 16:39:52,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 16:39:52,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:52,861 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:53,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:53,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2020-12-01 16:39:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2020-12-01 16:39:53,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:39:53,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:53,655 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:54,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:54,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2020-12-01 16:39:54,285 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2020-12-01 16:39:54,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:39:54,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:55,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2020-12-01 16:39:55,122 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2020-12-01 16:39:55,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:39:55,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:55,463 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:56,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:56,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2020-12-01 16:39:56,159 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2020-12-01 16:39:56,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:39:56,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:57,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:57,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2020-12-01 16:39:57,122 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-12-01 16:39:57,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:39:57,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:57,538 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:58,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:58,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2020-12-01 16:39:58,195 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-12-01 16:39:58,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:39:58,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2020-12-01 16:39:59,445 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-12-01 16:39:59,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:39:59,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:59,911 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:00,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2020-12-01 16:40:00,755 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-12-01 16:40:00,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:40:00,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:01,210 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:02,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2020-12-01 16:40:02,124 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-12-01 16:40:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:40:02,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:02,612 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:03,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:03,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2020-12-01 16:40:03,433 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2020-12-01 16:40:03,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:40:03,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:04,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:04,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 39 states and 55 transitions. [2020-12-01 16:40:04,546 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2020-12-01 16:40:04,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:40:04,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:05,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2020-12-01 16:40:05,816 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2020-12-01 16:40:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:40:05,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:06,282 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:07,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:07,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 61 transitions. [2020-12-01 16:40:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-12-01 16:40:07,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:40:07,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:07,692 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2020-12-01 16:40:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-12-01 16:40:08,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:40:08,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:09,347 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:10,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:10,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2020-12-01 16:40:10,518 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-12-01 16:40:10,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:40:10,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:10,999 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:11,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:11,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 49 states and 70 transitions. [2020-12-01 16:40:11,838 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-12-01 16:40:11,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:40:11,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:12,494 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 51 states and 73 transitions. [2020-12-01 16:40:13,487 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-12-01 16:40:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:40:13,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:15,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:15,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 76 transitions. [2020-12-01 16:40:15,266 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-12-01 16:40:15,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:40:15,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:16,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:16,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 55 states and 79 transitions. [2020-12-01 16:40:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-12-01 16:40:16,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:40:16,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:18,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 82 transitions. [2020-12-01 16:40:18,921 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2020-12-01 16:40:18,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:40:18,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:20,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:20,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 59 states and 85 transitions. [2020-12-01 16:40:20,836 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2020-12-01 16:40:20,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:40:20,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:21,519 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:22,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:22,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2020-12-01 16:40:22,611 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2020-12-01 16:40:22,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:40:22,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:23,264 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:24,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2020-12-01 16:40:24,718 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2020-12-01 16:40:24,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:40:24,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:25,384 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:26,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 65 states and 94 transitions. [2020-12-01 16:40:26,552 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2020-12-01 16:40:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:40:26,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:27,432 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:28,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 67 states and 97 transitions. [2020-12-01 16:40:28,672 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2020-12-01 16:40:28,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:40:28,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:29,429 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:31,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:31,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 69 states and 100 transitions. [2020-12-01 16:40:31,219 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2020-12-01 16:40:31,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:40:31,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:33,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 71 states and 103 transitions. [2020-12-01 16:40:33,758 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2020-12-01 16:40:33,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:40:33,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:36,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 73 states and 106 transitions. [2020-12-01 16:40:36,521 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 106 transitions. [2020-12-01 16:40:36,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:40:36,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:39,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:39,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2020-12-01 16:40:39,463 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2020-12-01 16:40:39,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:40:39,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:40,316 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:42,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:42,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 112 transitions. [2020-12-01 16:40:42,062 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2020-12-01 16:40:42,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:40:42,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:43,273 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:45,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 79 states and 115 transitions. [2020-12-01 16:40:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2020-12-01 16:40:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:40:45,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:46,565 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:48,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 81 states and 118 transitions. [2020-12-01 16:40:48,230 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2020-12-01 16:40:48,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:40:48,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:49,321 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:51,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:51,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 83 states and 121 transitions. [2020-12-01 16:40:51,504 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2020-12-01 16:40:51,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:40:51,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:52,639 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:54,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 85 states and 124 transitions. [2020-12-01 16:40:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2020-12-01 16:40:54,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:40:54,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:55,918 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:40:58,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:40:58,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 87 states and 127 transitions. [2020-12-01 16:40:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2020-12-01 16:40:58,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:40:58,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:40:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:40:59,899 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:02,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:02,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 89 states and 130 transitions. [2020-12-01 16:41:02,116 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 130 transitions. [2020-12-01 16:41:02,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:41:02,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 91 states and 133 transitions. [2020-12-01 16:41:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2020-12-01 16:41:05,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:41:05,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:07,006 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:09,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:09,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 93 states and 136 transitions. [2020-12-01 16:41:09,181 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2020-12-01 16:41:09,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:41:09,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:13,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:13,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 95 states and 139 transitions. [2020-12-01 16:41:13,360 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 139 transitions. [2020-12-01 16:41:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:41:13,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:14,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:17,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 97 states and 142 transitions. [2020-12-01 16:41:17,787 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 142 transitions. [2020-12-01 16:41:17,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:41:17,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:22,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:22,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 99 states and 145 transitions. [2020-12-01 16:41:22,508 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 145 transitions. [2020-12-01 16:41:22,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:41:22,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:24,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:27,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:27,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 101 states and 148 transitions. [2020-12-01 16:41:27,507 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 148 transitions. [2020-12-01 16:41:27,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:41:27,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:32,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 103 states and 151 transitions. [2020-12-01 16:41:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2020-12-01 16:41:32,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:41:32,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:37,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:37,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 105 states and 154 transitions. [2020-12-01 16:41:37,614 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 154 transitions. [2020-12-01 16:41:37,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:41:37,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:41:37,692 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:41:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:41:37,785 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:41:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:41:38,000 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:41:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:41:38,156 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:41:39,359 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 51 iterations. [2020-12-01 16:41:39,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:41:39 ImpRootNode [2020-12-01 16:41:39,451 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:41:39,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:41:39,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:41:39,453 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:41:39,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:39:49" (3/4) ... [2020-12-01 16:41:39,456 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:41:39,684 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ea0250d1-f9f7-4a0b-9990-1c2b3d352c56/bin/ukojak/witness.graphml [2020-12-01 16:41:39,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:41:39,692 INFO L168 Benchmark]: Toolchain (without parser) took 110763.89 ms. Allocated memory was 104.9 MB in the beginning and 685.8 MB in the end (delta: 580.9 MB). Free memory was 72.8 MB in the beginning and 464.7 MB in the end (delta: -391.9 MB). Peak memory consumption was 187.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:39,697 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 73.4 MB. Free memory was 33.8 MB in the beginning and 33.7 MB in the end (delta: 37.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:41:39,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.23 ms. Allocated memory is still 104.9 MB. Free memory was 72.5 MB in the beginning and 81.9 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:39,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.93 ms. Allocated memory is still 104.9 MB. Free memory was 81.9 MB in the beginning and 80.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:39,699 INFO L168 Benchmark]: Boogie Preprocessor took 46.58 ms. Allocated memory is still 104.9 MB. Free memory was 80.3 MB in the beginning and 79.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:41:39,700 INFO L168 Benchmark]: RCFGBuilder took 442.22 ms. Allocated memory is still 104.9 MB. Free memory was 79.3 MB in the beginning and 65.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:39,700 INFO L168 Benchmark]: CodeCheck took 109625.22 ms. Allocated memory was 104.9 MB in the beginning and 685.8 MB in the end (delta: 580.9 MB). Free memory was 65.2 MB in the beginning and 471.0 MB in the end (delta: -405.8 MB). Peak memory consumption was 176.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:39,704 INFO L168 Benchmark]: Witness Printer took 237.46 ms. Allocated memory is still 685.8 MB. Free memory was 471.0 MB in the beginning and 464.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:39,707 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, 7 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 109.4s, OverallIterations: 51, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, -22 SolverSat, -18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10299 GetRequests, 8734 SyntacticMatches, 1081 SemanticMatches, 484 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120179 ImplicationChecksByTransitivity, 98.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 34.5s InterpolantComputationTime, 1479 NumberOfCodeBlocks, 1479 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1375 ConstructedInterpolants, 0 QuantifiedInterpolants, 1303807 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 1 PerfectInterpolantSequences, 0/20825 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 - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] unsigned int x = 0; [L15] unsigned int y = __VERIFIER_nondet_uint(); [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND FALSE !(x < 99) [L7] COND TRUE !(cond) [L3] __assert_fail("0", "diamond_1-2.c", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 73.4 MB. Free memory was 33.8 MB in the beginning and 33.7 MB in the end (delta: 37.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 354.23 ms. Allocated memory is still 104.9 MB. Free memory was 72.5 MB in the beginning and 81.9 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.93 ms. Allocated memory is still 104.9 MB. Free memory was 81.9 MB in the beginning and 80.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.58 ms. Allocated memory is still 104.9 MB. Free memory was 80.3 MB in the beginning and 79.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 442.22 ms. Allocated memory is still 104.9 MB. Free memory was 79.3 MB in the beginning and 65.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 109625.22 ms. Allocated memory was 104.9 MB in the beginning and 685.8 MB in the end (delta: 580.9 MB). Free memory was 65.2 MB in the beginning and 471.0 MB in the end (delta: -405.8 MB). Peak memory consumption was 176.1 MB. Max. memory is 16.1 GB. * Witness Printer took 237.46 ms. Allocated memory is still 685.8 MB. Free memory was 471.0 MB in the beginning and 464.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...