./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_8.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_8.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37d0ed05d77a0379c9ed98058bf2f327252773ce .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:15:44,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:15:44,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:15:44,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:15:44,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:15:44,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:15:44,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:15:44,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:15:44,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:15:44,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:15:44,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:15:44,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:15:44,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:15:44,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:15:44,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:15:44,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:15:44,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:15:44,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:15:44,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:15:44,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:15:44,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:15:44,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:15:44,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:15:44,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:15:44,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:15:44,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:15:44,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:15:44,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:15:44,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:15:44,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:15:44,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:15:44,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:15:44,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:15:44,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:15:44,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:15:44,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:15:44,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:15:44,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:15:44,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:15:44,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:15:44,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:15:44,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-29 23:15:44,250 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:15:44,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:15:44,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:15:44,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:15:44,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:15:44,254 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:15:44,255 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:15:44,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:15:44,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:15:44,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:15:44,257 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 23:15:44,257 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 23:15:44,257 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 23:15:44,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:15:44,258 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:15:44,258 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:15:44,258 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:15:44,258 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:15:44,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:15:44,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:15:44,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:15:44,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:15:44,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:15:44,260 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 23:15:44,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:15:44,260 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_7c242bfb-260f-407c-b789-537388351f12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37d0ed05d77a0379c9ed98058bf2f327252773ce [2020-11-29 23:15:44,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:15:44,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:15:44,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:15:44,573 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:15:44,585 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:15:44,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_8.c [2020-11-29 23:15:44,652 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/bin/ukojak/data/74f41e66c/010631c7a8df4837a3ee3bbe3cbe7624/FLAGc5e908717 [2020-11-29 23:15:45,092 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:15:45,093 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/sv-benchmarks/c/locks/test_locks_8.c [2020-11-29 23:15:45,101 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/bin/ukojak/data/74f41e66c/010631c7a8df4837a3ee3bbe3cbe7624/FLAGc5e908717 [2020-11-29 23:15:45,454 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/bin/ukojak/data/74f41e66c/010631c7a8df4837a3ee3bbe3cbe7624 [2020-11-29 23:15:45,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:15:45,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:15:45,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:15:45,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:15:45,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:15:45,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:15:45" (1/1) ... [2020-11-29 23:15:45,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2644fd3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:15:45, skipping insertion in model container [2020-11-29 23:15:45,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:15:45" (1/1) ... [2020-11-29 23:15:45,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:15:45,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:15:45,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:15:45,651 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:15:45,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:15:45,690 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:15:45,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:15:45 WrapperNode [2020-11-29 23:15:45,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:15:45,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:15:45,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:15:45,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:15:45,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:15:45" (1/1) ... [2020-11-29 23:15:45,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:15:45" (1/1) ... [2020-11-29 23:15:45,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:15:45,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:15:45,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:15:45,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:15:45,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:15:45" (1/1) ... [2020-11-29 23:15:45,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:15:45" (1/1) ... [2020-11-29 23:15:45,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:15:45" (1/1) ... [2020-11-29 23:15:45,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:15:45" (1/1) ... [2020-11-29 23:15:45,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:15:45" (1/1) ... [2020-11-29 23:15:45,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:15:45" (1/1) ... [2020-11-29 23:15:45,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:15:45" (1/1) ... [2020-11-29 23:15:45,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:15:45,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:15:45,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:15:45,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:15:45,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:15:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/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 23:15:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:15:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:15:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:15:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:15:46,528 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:15:46,529 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-29 23:15:46,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:15:46 BoogieIcfgContainer [2020-11-29 23:15:46,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:15:46,532 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:15:46,532 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:15:46,542 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:15:46,543 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:15:46" (1/1) ... [2020-11-29 23:15:46,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:15:46,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:46,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2020-11-29 23:15:46,590 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2020-11-29 23:15:46,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 23:15:46,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:46,715 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 23:15:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:46,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2020-11-29 23:15:46,723 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2020-11-29 23:15:46,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 23:15:46,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:46,777 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 23:15:46,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:46,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2020-11-29 23:15:46,850 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2020-11-29 23:15:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 23:15:46,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:46,941 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 23:15:47,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:47,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2020-11-29 23:15:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2020-11-29 23:15:47,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 23:15:47,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:47,184 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 23:15:47,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2020-11-29 23:15:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2020-11-29 23:15:47,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 23:15:47,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:47,527 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 23:15:47,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:47,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2020-11-29 23:15:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2020-11-29 23:15:47,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 23:15:47,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:47,770 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 23:15:48,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:48,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2020-11-29 23:15:48,319 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2020-11-29 23:15:48,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 23:15:48,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:48,372 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 23:15:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2020-11-29 23:15:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2020-11-29 23:15:48,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 23:15:48,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:48,682 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 23:15:49,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:49,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2020-11-29 23:15:49,432 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2020-11-29 23:15:49,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 23:15:49,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:49,459 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 23:15:49,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:49,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2020-11-29 23:15:49,622 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2020-11-29 23:15:49,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 23:15:49,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:49,643 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 23:15:49,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2020-11-29 23:15:49,832 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2020-11-29 23:15:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 23:15:49,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:49,932 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 23:15:50,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:50,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2020-11-29 23:15:50,920 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2020-11-29 23:15:50,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 23:15:50,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:50,956 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 23:15:51,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2020-11-29 23:15:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2020-11-29 23:15:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 23:15:51,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:51,125 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 23:15:51,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:51,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2020-11-29 23:15:51,357 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2020-11-29 23:15:51,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:15:51,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:51,388 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 23:15:51,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:51,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2020-11-29 23:15:51,687 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2020-11-29 23:15:51,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:15:51,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:51,708 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 23:15:51,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:51,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2020-11-29 23:15:51,891 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2020-11-29 23:15:51,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:15:51,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:52,037 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 23:15:53,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2020-11-29 23:15:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2020-11-29 23:15:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:15:53,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:53,427 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 23:15:53,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2020-11-29 23:15:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2020-11-29 23:15:53,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:15:53,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:53,688 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 23:15:53,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:53,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2020-11-29 23:15:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2020-11-29 23:15:53,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 23:15:53,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:53,953 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 23:15:54,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:54,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2020-11-29 23:15:54,248 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2020-11-29 23:15:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 23:15:54,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:54,264 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 23:15:54,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:54,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2020-11-29 23:15:54,573 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2020-11-29 23:15:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 23:15:54,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:54,788 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 23:15:56,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2020-11-29 23:15:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2020-11-29 23:15:56,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 23:15:56,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:56,795 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 23:15:57,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2020-11-29 23:15:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2020-11-29 23:15:57,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 23:15:57,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:57,027 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 23:15:57,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:57,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2020-11-29 23:15:57,293 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2020-11-29 23:15:57,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 23:15:57,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:57,309 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 23:15:57,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2020-11-29 23:15:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2020-11-29 23:15:57,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:15:57,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:57,615 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 23:15:58,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:58,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2020-11-29 23:15:58,015 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2020-11-29 23:15:58,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:15:58,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:58,028 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 23:15:58,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:15:58,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2020-11-29 23:15:58,434 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2020-11-29 23:15:58,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:15:58,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:15:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:15:58,669 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 23:16:01,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:01,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2020-11-29 23:16:01,379 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2020-11-29 23:16:01,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:16:01,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:01,394 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 23:16:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:01,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2020-11-29 23:16:01,692 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2020-11-29 23:16:01,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:16:01,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:01,706 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 23:16:02,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:02,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2020-11-29 23:16:02,064 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2020-11-29 23:16:02,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:16:02,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:02,083 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 23:16:02,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:02,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2020-11-29 23:16:02,472 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2020-11-29 23:16:02,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:16:02,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:02,485 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 23:16:02,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:02,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2020-11-29 23:16:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2020-11-29 23:16:02,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 23:16:02,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:02,908 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 23:16:03,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:03,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2020-11-29 23:16:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2020-11-29 23:16:03,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 23:16:03,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:03,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:16:03,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:03,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2020-11-29 23:16:03,980 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2020-11-29 23:16:03,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 23:16:03,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:03,994 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 23:16:04,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2020-11-29 23:16:04,327 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2020-11-29 23:16:04,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 23:16:04,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:04,339 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 23:16:04,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:04,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2020-11-29 23:16:04,688 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2020-11-29 23:16:04,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 23:16:04,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:04,701 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 23:16:05,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:05,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2020-11-29 23:16:05,064 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2020-11-29 23:16:05,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 23:16:05,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:05,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:16:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:05,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 56 transitions. [2020-11-29 23:16:05,639 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2020-11-29 23:16:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 23:16:05,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:05,651 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 23:16:06,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2020-11-29 23:16:06,102 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-11-29 23:16:06,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:16:06,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:06,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:16:09,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:09,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2020-11-29 23:16:09,553 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2020-11-29 23:16:09,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:16:09,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:09,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:16:10,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:10,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2020-11-29 23:16:10,144 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2020-11-29 23:16:10,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:16:10,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:10,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:16:10,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:10,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2020-11-29 23:16:10,631 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2020-11-29 23:16:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:16:10,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:16:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:11,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2020-11-29 23:16:11,025 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2020-11-29 23:16:11,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:16:11,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:11,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:16:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:11,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2020-11-29 23:16:11,503 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2020-11-29 23:16:11,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:16:11,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:16:12,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:12,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 40 states and 59 transitions. [2020-11-29 23:16:12,071 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2020-11-29 23:16:12,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:16:12,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:16:12,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:12,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2020-11-29 23:16:12,496 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2020-11-29 23:16:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:16:12,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:16:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2020-11-29 23:16:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2020-11-29 23:16:13,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:16:13,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:16:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:16:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:16:13,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:16:13,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2020-11-29 23:16:13,619 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2020-11-29 23:16:13,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:16:13,620 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 48 iterations. [2020-11-29 23:16:13,627 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2020-11-29 23:16:13,910 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 23:16:13,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 23:16:13,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 23:16:13,924 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 23:16:13,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 23:16:13,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 23:16:13,925 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 23:16:13,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 23:16:13,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 23:16:13,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 11:16:13 ImpRootNode [2020-11-29 23:16:13,927 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 23:16:13,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:16:13,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:16:13,928 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:16:13,929 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:15:46" (3/4) ... [2020-11-29 23:16:13,939 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:16:13,948 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-29 23:16:13,949 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-29 23:16:13,949 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 23:16:13,950 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:16:13,973 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-11-29 23:16:13,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-11-29 23:16:13,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-11-29 23:16:14,022 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7c242bfb-260f-407c-b789-537388351f12/bin/ukojak/witness.graphml [2020-11-29 23:16:14,022 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:16:14,026 INFO L168 Benchmark]: Toolchain (without parser) took 28565.04 ms. Allocated memory was 98.6 MB in the beginning and 453.0 MB in the end (delta: 354.4 MB). Free memory was 62.2 MB in the beginning and 272.3 MB in the end (delta: -210.1 MB). Peak memory consumption was 144.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:16:14,027 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 98.6 MB. Free memory is still 78.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:16:14,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.38 ms. Allocated memory is still 98.6 MB. Free memory was 62.1 MB in the beginning and 52.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:16:14,028 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.45 ms. Allocated memory is still 98.6 MB. Free memory was 52.1 MB in the beginning and 50.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:16:14,028 INFO L168 Benchmark]: Boogie Preprocessor took 26.56 ms. Allocated memory is still 98.6 MB. Free memory was 50.4 MB in the beginning and 49.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:16:14,029 INFO L168 Benchmark]: RCFGBuilder took 772.24 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 49.1 MB in the beginning and 76.8 MB in the end (delta: -27.8 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:16:14,030 INFO L168 Benchmark]: CodeCheck took 27395.14 ms. Allocated memory was 123.7 MB in the beginning and 453.0 MB in the end (delta: 329.3 MB). Free memory was 76.2 MB in the beginning and 275.4 MB in the end (delta: -199.2 MB). Peak memory consumption was 129.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:16:14,030 INFO L168 Benchmark]: Witness Printer took 94.75 ms. Allocated memory is still 453.0 MB. Free memory was 275.4 MB in the beginning and 272.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:16:14,033 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, 25 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.0s, OverallIterations: 48, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 549330940 SDslu, 0 SDs, 0 SdLazy, 1042052088 SolverSat, -404882436 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5365 GetRequests, 5043 SyntacticMatches, 0 SemanticMatches, 322 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46930 ImplicationChecksByTransitivity, 24.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 564 NumberOfCodeBlocks, 564 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 517 ConstructedInterpolants, 0 QuantifiedInterpolants, 26417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 47 PerfectInterpolantSequences, 18/18 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 7]: Loop Invariant [2020-11-29 23:16:14,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 23:16:14,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 6]: Loop Invariant [2020-11-29 23:16:14,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 23:16:14,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 35]: Loop Invariant [2020-11-29 23:16:14,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 23:16:14,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 98.6 MB. Free memory is still 78.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 231.38 ms. Allocated memory is still 98.6 MB. Free memory was 62.1 MB in the beginning and 52.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.45 ms. Allocated memory is still 98.6 MB. Free memory was 52.1 MB in the beginning and 50.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.56 ms. Allocated memory is still 98.6 MB. Free memory was 50.4 MB in the beginning and 49.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 772.24 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 49.1 MB in the beginning and 76.8 MB in the end (delta: -27.8 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * CodeCheck took 27395.14 ms. Allocated memory was 123.7 MB in the beginning and 453.0 MB in the end (delta: 329.3 MB). Free memory was 76.2 MB in the beginning and 275.4 MB in the end (delta: -199.2 MB). Peak memory consumption was 129.6 MB. Max. memory is 16.1 GB. * Witness Printer took 94.75 ms. Allocated memory is still 453.0 MB. Free memory was 275.4 MB in the beginning and 272.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...