./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/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 413c51ed1e783e2c81a87b4c1c3462b9d9ee8a7b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:55:31,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:55:31,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:55:31,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:55:31,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:55:31,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:55:31,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:55:31,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:55:31,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:55:31,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:55:31,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:55:31,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:55:31,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:55:31,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:55:31,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:55:31,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:55:31,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:55:31,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:55:31,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:55:31,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:55:31,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:55:31,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:55:31,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:55:31,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:55:31,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:55:31,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:55:31,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:55:31,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:55:31,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:55:31,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:55:31,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:55:31,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:55:31,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:55:31,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:55:31,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:55:31,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:55:31,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:55:31,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:55:31,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:55:31,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:55:31,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:55:31,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 23:55:31,463 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:55:31,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:55:31,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:55:31,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:55:31,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:55:31,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:55:31,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:55:31,467 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:55:31,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:55:31,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:55:31,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:55:31,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:55:31,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:55:31,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:55:31,469 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:55:31,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:55:31,469 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:55:31,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:55:31,470 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:55:31,470 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:55:31,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:55:31,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:55:31,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:55:31,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:55:31,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:55:31,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:55:31,472 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 23:55:31,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:55:31,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:55:31,474 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_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 413c51ed1e783e2c81a87b4c1c3462b9d9ee8a7b [2020-11-29 23:55:31,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:55:31,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:55:31,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:55:31,784 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:55:31,785 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:55:31,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2020-11-29 23:55:31,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/bin/ukojak/data/7336dcb5c/2dcaab7c14914851a9dfbf5669f2f371/FLAGc0aef9aeb [2020-11-29 23:55:32,386 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:55:32,388 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2020-11-29 23:55:32,400 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/bin/ukojak/data/7336dcb5c/2dcaab7c14914851a9dfbf5669f2f371/FLAGc0aef9aeb [2020-11-29 23:55:32,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/bin/ukojak/data/7336dcb5c/2dcaab7c14914851a9dfbf5669f2f371 [2020-11-29 23:55:32,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:55:32,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:55:32,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:55:32,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:55:32,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:55:32,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:55:32" (1/1) ... [2020-11-29 23:55:32,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c1d3e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:32, skipping insertion in model container [2020-11-29 23:55:32,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:55:32" (1/1) ... [2020-11-29 23:55:32,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:55:32,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:55:32,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:55:32,993 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:55:33,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:55:33,047 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:55:33,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33 WrapperNode [2020-11-29 23:55:33,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:55:33,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:55:33,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:55:33,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:55:33,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:55:33,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:55:33,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:55:33,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:55:33,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:55:33,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:55:33,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:55:33,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:55:33,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:55:33,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:55:33,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:55:33,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:55:33,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:55:33,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-29 23:55:33,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-29 23:55:33,707 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:55:33,708 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 23:55:33,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:33 BoogieIcfgContainer [2020-11-29 23:55:33,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:55:33,714 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:55:33,714 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:55:33,727 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:55:33,727 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:33,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2020-11-29 23:55:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2020-11-29 23:55:33,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 23:55:33,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:33,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:33,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:33,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2020-11-29 23:55:33,976 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2020-11-29 23:55:33,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 23:55:33,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:34,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:34,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:34,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2020-11-29 23:55:34,233 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2020-11-29 23:55:34,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:55:34,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:34,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 23:55:34,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:34,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:34,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:34,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2020-11-29 23:55:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2020-11-29 23:55:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:55:34,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:34,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 23:55:34,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:55:35,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:35,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2020-11-29 23:55:35,188 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2020-11-29 23:55:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:55:35,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:35,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 23:55:35,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 23:55:35,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2020-11-29 23:55:35,412 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2020-11-29 23:55:35,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 23:55:35,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:35,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:55:35,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 23:55:35,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:35,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2020-11-29 23:55:35,719 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2020-11-29 23:55:35,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 23:55:35,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:35,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:55:35,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-29 23:55:36,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:36,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 60 transitions. [2020-11-29 23:55:36,245 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2020-11-29 23:55:36,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 23:55:36,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:36,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 23:55:36,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:36,422 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 23:55:36,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:36,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 66 transitions. [2020-11-29 23:55:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2020-11-29 23:55:36,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 23:55:36,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:36,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:55:36,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:37,002 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:55:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 23:55:37,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:37,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 69 transitions. [2020-11-29 23:55:37,549 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2020-11-29 23:55:37,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:55:37,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:37,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:55:37,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-29 23:55:38,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:38,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 74 transitions. [2020-11-29 23:55:38,134 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2020-11-29 23:55:38,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 23:55:38,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:38,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:55:38,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:38,230 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-29 23:55:38,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:38,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 82 transitions. [2020-11-29 23:55:38,738 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2020-11-29 23:55:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 23:55:38,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:38,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 23:55:38,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:38,944 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-29 23:55:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:39,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 85 transitions. [2020-11-29 23:55:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2020-11-29 23:55:39,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 23:55:39,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:39,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:55:39,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-29 23:55:39,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:39,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 48 states and 88 transitions. [2020-11-29 23:55:39,535 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2020-11-29 23:55:39,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 23:55:39,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:39,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2020-11-29 23:55:39,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:39,817 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-11-29 23:55:40,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:40,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 51 states and 94 transitions. [2020-11-29 23:55:40,548 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 94 transitions. [2020-11-29 23:55:40,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 23:55:40,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:40,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 23:55:40,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:40,717 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-11-29 23:55:41,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:41,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 53 states and 99 transitions. [2020-11-29 23:55:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 99 transitions. [2020-11-29 23:55:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 23:55:41,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:41,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 23:55:41,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:41,658 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-11-29 23:55:43,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:43,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 56 states and 107 transitions. [2020-11-29 23:55:43,437 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2020-11-29 23:55:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 23:55:43,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:43,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 19 conjunts are in the unsatisfiable core [2020-11-29 23:55:43,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:43,900 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-11-29 23:55:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:44,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 110 transitions. [2020-11-29 23:55:44,573 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 110 transitions. [2020-11-29 23:55:44,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 23:55:44,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:44,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:55:44,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:44,698 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2020-11-29 23:55:45,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:45,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 113 transitions. [2020-11-29 23:55:45,082 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2020-11-29 23:55:45,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 23:55:45,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:45,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:55:45,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 20 proven. 24 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-11-29 23:55:47,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:47,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 63 states and 119 transitions. [2020-11-29 23:55:47,271 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 119 transitions. [2020-11-29 23:55:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 23:55:47,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:47,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 19 conjunts are in the unsatisfiable core [2020-11-29 23:55:47,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-11-29 23:55:50,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:50,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 124 transitions. [2020-11-29 23:55:50,168 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 124 transitions. [2020-11-29 23:55:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-29 23:55:50,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:50,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 19 conjunts are in the unsatisfiable core [2020-11-29 23:55:50,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:50,673 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-11-29 23:55:52,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:52,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 132 transitions. [2020-11-29 23:55:52,657 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 132 transitions. [2020-11-29 23:55:52,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-29 23:55:52,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:52,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 23 conjunts are in the unsatisfiable core [2020-11-29 23:55:52,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-11-29 23:55:54,368 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-11-29 23:55:55,016 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-11-29 23:55:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:55,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 135 transitions. [2020-11-29 23:55:55,270 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 135 transitions. [2020-11-29 23:55:55,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-29 23:55:55,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:55,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:55:55,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:55,369 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2020-11-29 23:55:56,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:56,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 72 states and 138 transitions. [2020-11-29 23:55:56,350 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 138 transitions. [2020-11-29 23:55:56,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-29 23:55:56,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:56,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 33 conjunts are in the unsatisfiable core [2020-11-29 23:55:56,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:57,644 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-11-29 23:55:58,891 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2020-11-29 23:56:01,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:01,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 144 transitions. [2020-11-29 23:56:01,150 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2020-11-29 23:56:01,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-29 23:56:01,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:01,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 23 conjunts are in the unsatisfiable core [2020-11-29 23:56:01,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:56:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 28 proven. 46 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-11-29 23:56:04,642 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-11-29 23:56:05,845 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-11-29 23:56:06,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 77 states and 149 transitions. [2020-11-29 23:56:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 149 transitions. [2020-11-29 23:56:06,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-11-29 23:56:06,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:06,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 23 conjunts are in the unsatisfiable core [2020-11-29 23:56:06,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:56:07,315 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 30 proven. 50 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-11-29 23:56:08,729 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 16 [2020-11-29 23:56:11,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:11,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 80 states and 157 transitions. [2020-11-29 23:56:11,917 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 157 transitions. [2020-11-29 23:56:11,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-29 23:56:11,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:12,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:56:12,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:56:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-11-29 23:56:15,571 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-11-29 23:56:17,601 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-11-29 23:56:18,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:18,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 82 states and 160 transitions. [2020-11-29 23:56:18,080 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 160 transitions. [2020-11-29 23:56:18,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-11-29 23:56:18,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:18,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:56:18,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:56:18,202 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2020-11-29 23:56:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:20,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 84 states and 163 transitions. [2020-11-29 23:56:20,061 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 163 transitions. [2020-11-29 23:56:20,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-11-29 23:56:20,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:20,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 39 conjunts are in the unsatisfiable core [2020-11-29 23:56:20,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:56:24,112 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 32 proven. 65 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-11-29 23:56:27,016 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2020-11-29 23:56:31,193 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-11-29 23:56:33,938 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-11-29 23:56:34,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:34,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 87 states and 169 transitions. [2020-11-29 23:56:34,986 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 169 transitions. [2020-11-29 23:56:34,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-29 23:56:34,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:35,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:56:35,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:56:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 34 proven. 70 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-11-29 23:56:44,821 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 14 [2020-11-29 23:56:46,683 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-11-29 23:56:50,097 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-11-29 23:56:55,440 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-11-29 23:56:56,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 89 states and 174 transitions. [2020-11-29 23:56:56,851 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 174 transitions. [2020-11-29 23:56:56,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-11-29 23:56:56,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:56,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:56:56,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:00,828 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 36 proven. 75 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-11-29 23:57:05,019 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 16 [2020-11-29 23:57:08,394 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-11-29 23:57:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 92 states and 182 transitions. [2020-11-29 23:57:13,729 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2020-11-29 23:57:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-29 23:57:13,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:13,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 31 conjunts are in the unsatisfiable core [2020-11-29 23:57:13,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:18,337 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 36 proven. 87 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-11-29 23:57:23,359 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-11-29 23:57:28,627 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-11-29 23:57:29,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:29,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 94 states and 185 transitions. [2020-11-29 23:57:29,755 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 185 transitions. [2020-11-29 23:57:29,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-11-29 23:57:29,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:29,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:57:29,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:29,900 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2020-11-29 23:57:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:33,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 96 states and 188 transitions. [2020-11-29 23:57:33,517 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 188 transitions. [2020-11-29 23:57:33,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-11-29 23:57:33,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:33,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 45 conjunts are in the unsatisfiable core [2020-11-29 23:57:33,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 38 proven. 93 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-11-29 23:57:44,895 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-29 23:57:47,825 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2020-11-29 23:57:50,286 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-11-29 23:57:52,382 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-11-29 23:57:56,733 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-11-29 23:58:03,966 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 45 [2020-11-29 23:58:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:58:06,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 99 states and 194 transitions. [2020-11-29 23:58:06,830 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 194 transitions. [2020-11-29 23:58:06,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-29 23:58:06,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:58:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:06,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 31 conjunts are in the unsatisfiable core [2020-11-29 23:58:06,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:58:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 40 proven. 99 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-11-29 23:58:18,795 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2020-11-29 23:58:21,966 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-11-29 23:58:27,709 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-11-29 23:58:36,274 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-11-29 23:58:38,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:58:38,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 101 states and 199 transitions. [2020-11-29 23:58:38,654 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 199 transitions. [2020-11-29 23:58:38,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-29 23:58:38,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:58:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:38,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 31 conjunts are in the unsatisfiable core [2020-11-29 23:58:38,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:58:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 42 proven. 105 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-11-29 23:58:44,145 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2020-11-29 23:58:47,576 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-11-29 23:58:52,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:58:52,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 104 states and 207 transitions. [2020-11-29 23:58:52,084 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2020-11-29 23:58:52,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-29 23:58:52,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:58:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:52,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 35 conjunts are in the unsatisfiable core [2020-11-29 23:58:52,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:58:58,552 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-11-29 23:58:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 42 proven. 119 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-11-29 23:59:01,157 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-11-29 23:59:06,432 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 48 [2020-11-29 23:59:14,704 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 49 [2020-11-29 23:59:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:59:16,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 106 states and 210 transitions. [2020-11-29 23:59:16,617 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 210 transitions. [2020-11-29 23:59:16,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-29 23:59:16,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:59:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:59:16,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:59:16,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:59:16,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2020-11-29 23:59:22,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:59:22,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 108 states and 213 transitions. [2020-11-29 23:59:22,464 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 213 transitions. [2020-11-29 23:59:22,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-11-29 23:59:22,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:59:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:59:22,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 51 conjunts are in the unsatisfiable core [2020-11-29 23:59:22,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:59:38,251 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-11-29 23:59:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 44 proven. 126 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-11-29 23:59:43,117 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-29 23:59:46,310 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-11-29 23:59:47,793 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2020-11-29 23:59:51,862 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-11-29 23:59:55,166 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-11-30 00:00:02,728 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 50 [2020-11-30 00:00:13,650 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 51 [2020-11-30 00:00:17,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:00:17,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 111 states and 219 transitions. [2020-11-30 00:00:17,986 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 219 transitions. [2020-11-30 00:00:17,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-30 00:00:17,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:00:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:00:18,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 35 conjunts are in the unsatisfiable core [2020-11-30 00:00:18,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:00:36,560 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-11-30 00:00:36,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 46 proven. 133 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-11-30 00:00:41,309 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-11-30 00:00:49,571 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2020-11-30 00:00:54,998 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-11-30 00:01:07,359 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 59 [2020-11-30 00:01:24,011 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 60 [2020-11-30 00:01:28,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 113 states and 224 transitions. [2020-11-30 00:01:28,811 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 224 transitions. [2020-11-30 00:01:28,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-30 00:01:28,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:28,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 35 conjunts are in the unsatisfiable core [2020-11-30 00:01:28,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:01:37,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 48 proven. 140 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-11-30 00:01:46,306 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2020-11-30 00:01:52,053 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-11-30 00:02:06,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:02:06,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 116 states and 232 transitions. [2020-11-30 00:02:06,412 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 232 transitions. [2020-11-30 00:02:06,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-30 00:02:06,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:02:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:02:06,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 39 conjunts are in the unsatisfiable core [2020-11-30 00:02:06,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:02:16,477 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-11-30 00:02:16,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 48 proven. 156 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-11-30 00:02:20,944 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-11-30 00:02:32,438 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 54 [2020-11-30 00:02:48,288 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 55 [2020-11-30 00:02:51,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:02:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 118 states and 235 transitions. [2020-11-30 00:02:51,998 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 235 transitions. [2020-11-30 00:02:52,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-30 00:02:52,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:02:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:02:52,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-30 00:02:52,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:02:52,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2020-11-30 00:03:01,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:03:01,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 121 states and 239 transitions. [2020-11-30 00:03:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 239 transitions. [2020-11-30 00:03:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-11-30 00:03:01,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:03:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:03:01,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 22 conjunts are in the unsatisfiable core [2020-11-30 00:03:01,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:03:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 273 proven. 35 refuted. 0 times theorem prover too weak. 1106 trivial. 0 not checked. [2020-11-30 00:03:45,953 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2020-11-30 00:03:51,214 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2020-11-30 00:03:55,499 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-11-30 00:03:59,221 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-11-30 00:04:02,961 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 18 [2020-11-30 00:04:09,607 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 20 [2020-11-30 00:04:14,957 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-11-30 00:04:20,123 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-11-30 00:04:25,015 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2020-11-30 00:04:32,169 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 17 [2020-11-30 00:04:37,567 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-11-30 00:04:43,359 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-11-30 00:04:50,182 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2020-11-30 00:04:58,006 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 17 [2020-11-30 00:05:04,390 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-11-30 00:05:10,591 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-11-30 00:05:18,443 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2020-11-30 00:05:26,920 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 17 [2020-11-30 00:05:34,099 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-11-30 00:05:40,987 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-11-30 00:05:50,646 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2020-11-30 00:06:00,755 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 17 [2020-11-30 00:06:08,885 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-11-30 00:06:16,398 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-11-30 00:06:25,985 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2020-11-30 00:06:36,606 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2020-11-30 00:06:45,330 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-11-30 00:06:53,489 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-11-30 00:06:55,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:06:55,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 57 states and 96 transitions. [2020-11-30 00:06:55,469 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2020-11-30 00:06:55,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:06:55,471 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 45 iterations. [2020-11-30 00:06:55,483 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 00:06:58,822 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 89 DAG size of output: 1 [2020-11-30 00:07:03,478 WARN L193 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 117 DAG size of output: 1 [2020-11-30 00:07:06,786 WARN L193 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 129 DAG size of output: 1 [2020-11-30 00:07:11,384 WARN L193 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 117 DAG size of output: 1 [2020-11-30 00:07:17,306 WARN L193 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-11-30 00:07:21,353 WARN L193 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 111 DAG size of output: 1 [2020-11-30 00:07:21,461 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 1 [2020-11-30 00:07:21,468 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:07:21,473 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:07:21,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:07:21 ImpRootNode [2020-11-30 00:07:21,474 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:07:21,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:07:21,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:07:21,475 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:07:21,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:33" (3/4) ... [2020-11-30 00:07:21,480 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:07:21,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-11-30 00:07:21,494 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-30 00:07:21,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:07:21,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:07:21,496 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:07:21,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8dbdb2aa-3266-4e36-86ae-1d587e776cb7/bin/ukojak/witness.graphml [2020-11-30 00:07:21,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:07:21,552 INFO L168 Benchmark]: Toolchain (without parser) took 708820.35 ms. Allocated memory was 98.6 MB in the beginning and 174.1 MB in the end (delta: 75.5 MB). Free memory was 69.1 MB in the beginning and 82.9 MB in the end (delta: -13.8 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:21,553 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 39.6 MB in the beginning and 39.6 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:07:21,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.37 ms. Allocated memory is still 98.6 MB. Free memory was 69.1 MB in the beginning and 76.0 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:21,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.73 ms. Allocated memory is still 98.6 MB. Free memory was 76.0 MB in the beginning and 74.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:07:21,555 INFO L168 Benchmark]: Boogie Preprocessor took 20.98 ms. Allocated memory is still 98.6 MB. Free memory was 74.8 MB in the beginning and 73.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:07:21,555 INFO L168 Benchmark]: RCFGBuilder took 607.03 ms. Allocated memory is still 98.6 MB. Free memory was 73.7 MB in the beginning and 57.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:21,556 INFO L168 Benchmark]: CodeCheck took 707760.66 ms. Allocated memory was 98.6 MB in the beginning and 174.1 MB in the end (delta: 75.5 MB). Free memory was 57.1 MB in the beginning and 85.0 MB in the end (delta: -27.9 MB). Peak memory consumption was 90.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:21,557 INFO L168 Benchmark]: Witness Printer took 75.44 ms. Allocated memory is still 174.1 MB. Free memory was 85.0 MB in the beginning and 82.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:21,573 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 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 681.7s, OverallIterations: 45, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 2078210008 SDslu, -692736608 SDs, 0 SdLazy, -451395896 SolverSat, -728490760 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 484.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23707 GetRequests, 22607 SyntacticMatches, 870 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38009 ImplicationChecksByTransitivity, 602.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 131.6s InterpolantComputationTime, 3363 NumberOfCodeBlocks, 3363 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 3319 ConstructedInterpolants, 0 QuantifiedInterpolants, 1096521 SizeOfPredicates, 102 NumberOfNonLiveVariables, 8519 ConjunctsInSsa, 895 ConjunctsInUnsatCore, 44 InterpolantComputations, 5 PerfectInterpolantSequences, 19378/21144 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: 5]: 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: 30]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 39.6 MB in the beginning and 39.6 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 316.37 ms. Allocated memory is still 98.6 MB. Free memory was 69.1 MB in the beginning and 76.0 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.73 ms. Allocated memory is still 98.6 MB. Free memory was 76.0 MB in the beginning and 74.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.98 ms. Allocated memory is still 98.6 MB. Free memory was 74.8 MB in the beginning and 73.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 607.03 ms. Allocated memory is still 98.6 MB. Free memory was 73.7 MB in the beginning and 57.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 707760.66 ms. Allocated memory was 98.6 MB in the beginning and 174.1 MB in the end (delta: 75.5 MB). Free memory was 57.1 MB in the beginning and 85.0 MB in the end (delta: -27.9 MB). Peak memory consumption was 90.1 MB. Max. memory is 16.1 GB. * Witness Printer took 75.44 ms. Allocated memory is still 174.1 MB. Free memory was 85.0 MB in the beginning and 82.9 MB 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...