./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_01611f29-6d00-4ccd-91a0-b8b23dd99b45/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_01611f29-6d00-4ccd-91a0-b8b23dd99b45/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_01611f29-6d00-4ccd-91a0-b8b23dd99b45/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_01611f29-6d00-4ccd-91a0-b8b23dd99b45/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_8.c -s /tmp/vcloud-vcloud-master/worker/run_dir_01611f29-6d00-4ccd-91a0-b8b23dd99b45/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_01611f29-6d00-4ccd-91a0-b8b23dd99b45/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 [2020-11-28 04:38:33,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:38:33,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:38:33,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:38:33,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:38:33,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:38:33,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:38:33,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:38:33,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:38:33,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:38:33,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:38:33,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:38:33,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:38:33,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:38:33,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:38:33,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:38:33,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:38:33,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:38:33,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:38:33,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:38:33,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:38:33,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:38:33,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:38:33,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:38:33,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:38:33,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:38:33,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:38:33,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:38:33,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:38:33,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:38:33,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:38:33,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:38:33,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:38:33,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:38:33,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:38:33,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:38:33,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:38:33,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:38:33,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:38:33,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:38:33,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:38:33,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_01611f29-6d00-4ccd-91a0-b8b23dd99b45/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-28 04:38:33,810 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:38:33,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:38:33,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:38:33,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:38:33,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:38:33,812 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:38:33,812 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:38:33,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:38:33,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:38:33,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:38:33,813 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:38:33,813 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:38:33,814 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:38:33,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:38:33,814 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:38:33,814 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:38:33,814 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:38:33,814 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:38:33,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:38:33,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:38:33,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:38:33,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:38:33,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:38:33,816 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:38:33,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:38:33,816 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_01611f29-6d00-4ccd-91a0-b8b23dd99b45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_01611f29-6d00-4ccd-91a0-b8b23dd99b45/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37d0ed05d77a0379c9ed98058bf2f327252773ce [2020-11-28 04:38:34,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:38:34,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:38:34,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:38:34,100 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:38:34,101 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:38:34,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_01611f29-6d00-4ccd-91a0-b8b23dd99b45/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_8.c [2020-11-28 04:38:34,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_01611f29-6d00-4ccd-91a0-b8b23dd99b45/bin/ukojak/data/f9b66ddd4/36d6677653aa43ff93af21719777df3c/FLAGafce385e4 [2020-11-28 04:38:34,625 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:38:34,626 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_01611f29-6d00-4ccd-91a0-b8b23dd99b45/sv-benchmarks/c/locks/test_locks_8.c [2020-11-28 04:38:34,637 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_01611f29-6d00-4ccd-91a0-b8b23dd99b45/bin/ukojak/data/f9b66ddd4/36d6677653aa43ff93af21719777df3c/FLAGafce385e4 [2020-11-28 04:38:35,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_01611f29-6d00-4ccd-91a0-b8b23dd99b45/bin/ukojak/data/f9b66ddd4/36d6677653aa43ff93af21719777df3c [2020-11-28 04:38:35,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:38:35,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:38:35,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:35,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:38:35,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:38:35,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4ebf38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35, skipping insertion in model container [2020-11-28 04:38:35,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:38:35,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:38:35,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:35,258 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:38:35,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:35,295 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:38:35,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35 WrapperNode [2020-11-28 04:38:35,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:35,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:35,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:38:35,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:38:35,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:35,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:38:35,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:38:35,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:38:35,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:38:35,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:38:35,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:38:35,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:38:35,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_01611f29-6d00-4ccd-91a0-b8b23dd99b45/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 [2020-11-28 04:38:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:38:35,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:38:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:38:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:38:36,126 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:38:36,126 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 04:38:36,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:36 BoogieIcfgContainer [2020-11-28 04:38:36,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:38:36,130 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:38:36,130 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:38:36,141 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:38:36,141 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:36" (1/1) ... [2020-11-28 04:38:36,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:38:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2020-11-28 04:38:36,187 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2020-11-28 04:38:36,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:38:36,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:36,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:36,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2020-11-28 04:38:36,322 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2020-11-28 04:38:36,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:38:36,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:36,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:36,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2020-11-28 04:38:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2020-11-28 04:38:36,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:38:36,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:36,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2020-11-28 04:38:36,598 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2020-11-28 04:38:36,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:38:36,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:36,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:36,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:36,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2020-11-28 04:38:36,911 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2020-11-28 04:38:36,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:38:36,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:37,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:37,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2020-11-28 04:38:37,058 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2020-11-28 04:38:37,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:38:37,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:37,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:37,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:37,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2020-11-28 04:38:37,503 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2020-11-28 04:38:37,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:38:37,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:37,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:37,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:37,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2020-11-28 04:38:37,743 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2020-11-28 04:38:37,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:38:37,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:37,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:38,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:38,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2020-11-28 04:38:38,575 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2020-11-28 04:38:38,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:38:38,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:38,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:38,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:38,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2020-11-28 04:38:38,750 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2020-11-28 04:38:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:38:38,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:38,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:39,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:39,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2020-11-28 04:38:39,008 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2020-11-28 04:38:39,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:38:39,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:39,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:40,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:40,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2020-11-28 04:38:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2020-11-28 04:38:40,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:38:40,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:40,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:40,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2020-11-28 04:38:40,220 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2020-11-28 04:38:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:38:40,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:40,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:40,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2020-11-28 04:38:40,474 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2020-11-28 04:38:40,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:38:40,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:40,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:40,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:40,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2020-11-28 04:38:40,764 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2020-11-28 04:38:40,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:38:40,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:40,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2020-11-28 04:38:41,016 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2020-11-28 04:38:41,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:38:41,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:41,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:42,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:42,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2020-11-28 04:38:42,685 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2020-11-28 04:38:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:38:42,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:42,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:42,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2020-11-28 04:38:42,962 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2020-11-28 04:38:42,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:38:42,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:43,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:43,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2020-11-28 04:38:43,201 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2020-11-28 04:38:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:38:43,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:43,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:43,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2020-11-28 04:38:43,509 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2020-11-28 04:38:43,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:38:43,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:43,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:43,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:43,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2020-11-28 04:38:43,833 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2020-11-28 04:38:43,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:38:43,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:44,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:45,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:45,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2020-11-28 04:38:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2020-11-28 04:38:45,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:38:45,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:45,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:46,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:46,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2020-11-28 04:38:46,164 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2020-11-28 04:38:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:38:46,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:46,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:46,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:46,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2020-11-28 04:38:46,570 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2020-11-28 04:38:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:38:46,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:46,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2020-11-28 04:38:46,880 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2020-11-28 04:38:46,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:38:46,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:47,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:47,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2020-11-28 04:38:47,262 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2020-11-28 04:38:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:38:47,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:47,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2020-11-28 04:38:47,613 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2020-11-28 04:38:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:38:47,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:50,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2020-11-28 04:38:50,405 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2020-11-28 04:38:50,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:38:50,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:50,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2020-11-28 04:38:50,709 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2020-11-28 04:38:50,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:38:50,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2020-11-28 04:38:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2020-11-28 04:38:51,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:38:51,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:51,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:51,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:51,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2020-11-28 04:38:51,353 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2020-11-28 04:38:51,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:38:51,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:51,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:51,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2020-11-28 04:38:51,796 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2020-11-28 04:38:51,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:38:51,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:52,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2020-11-28 04:38:52,301 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2020-11-28 04:38:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:38:52,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:52,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:52,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2020-11-28 04:38:52,740 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2020-11-28 04:38:52,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:38:52,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:52,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2020-11-28 04:38:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2020-11-28 04:38:53,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:38:53,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:53,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2020-11-28 04:38:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2020-11-28 04:38:53,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:38:53,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:53,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:53,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:53,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2020-11-28 04:38:53,956 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2020-11-28 04:38:53,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:38:53,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:53,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:54,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:54,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 56 transitions. [2020-11-28 04:38:54,419 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2020-11-28 04:38:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:38:54,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:55,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:55,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2020-11-28 04:38:55,114 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-11-28 04:38:55,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:38:55,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:55,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:38:58,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:58,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2020-11-28 04:38:58,729 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2020-11-28 04:38:58,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:38:58,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:58,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:38:59,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:59,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2020-11-28 04:38:59,367 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2020-11-28 04:38:59,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:38:59,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:38:59,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2020-11-28 04:38:59,887 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2020-11-28 04:38:59,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:38:59,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:00,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:00,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2020-11-28 04:39:00,355 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2020-11-28 04:39:00,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:39:00,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:00,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2020-11-28 04:39:00,972 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2020-11-28 04:39:00,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:39:00,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:01,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 40 states and 59 transitions. [2020-11-28 04:39:01,565 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2020-11-28 04:39:01,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:39:01,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:01,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:02,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:02,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2020-11-28 04:39:02,065 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2020-11-28 04:39:02,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:39:02,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:02,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:02,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2020-11-28 04:39:02,793 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2020-11-28 04:39:02,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:39:02,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:02,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:03,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:03,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2020-11-28 04:39:03,393 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2020-11-28 04:39:03,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:39:03,393 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 48 iterations. [2020-11-28 04:39:03,399 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2020-11-28 04:39:03,759 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:39:03,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:03,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:03,770 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:39:03,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:03,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:03,770 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:39:03,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:03,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:03,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:39:03 ImpRootNode [2020-11-28 04:39:03,772 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:39:03,772 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:39:03,772 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:39:03,773 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:39:03,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:36" (3/4) ... [2020-11-28 04:39:03,777 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:39:03,789 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-28 04:39:03,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-28 04:39:03,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 04:39:03,791 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:39:03,820 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-11-28 04:39:03,820 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-11-28 04:39:03,821 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-11-28 04:39:03,879 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_01611f29-6d00-4ccd-91a0-b8b23dd99b45/bin/ukojak/witness.graphml [2020-11-28 04:39:03,879 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:39:03,887 INFO L168 Benchmark]: Toolchain (without parser) took 28851.23 ms. Allocated memory was 121.6 MB in the beginning and 450.9 MB in the end (delta: 329.3 MB). Free memory was 89.1 MB in the beginning and 249.4 MB in the end (delta: -160.2 MB). Peak memory consumption was 167.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:03,888 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:03,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.75 ms. Allocated memory is still 121.6 MB. Free memory was 88.8 MB in the beginning and 97.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:03,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.71 ms. Allocated memory is still 121.6 MB. Free memory was 97.4 MB in the beginning and 95.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:03,890 INFO L168 Benchmark]: Boogie Preprocessor took 50.71 ms. Allocated memory is still 121.6 MB. Free memory was 95.7 MB in the beginning and 94.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:03,891 INFO L168 Benchmark]: RCFGBuilder took 724.01 ms. Allocated memory is still 121.6 MB. Free memory was 94.4 MB in the beginning and 63.4 MB in the end (delta: 30.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:03,891 INFO L168 Benchmark]: CodeCheck took 27642.20 ms. Allocated memory was 121.6 MB in the beginning and 450.9 MB in the end (delta: 329.3 MB). Free memory was 63.4 MB in the beginning and 253.6 MB in the end (delta: -190.1 MB). Peak memory consumption was 141.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:03,892 INFO L168 Benchmark]: Witness Printer took 107.35 ms. Allocated memory is still 450.9 MB. Free memory was 253.6 MB in the beginning and 249.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:03,895 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: 27.2s, 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, 21.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5365 GetRequests, 5043 SyntacticMatches, 0 SemanticMatches, 322 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46930 ImplicationChecksByTransitivity, 24.8s 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 [2020-11-28 04:39:03,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:03,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 6]: Loop Invariant [2020-11-28 04:39:03,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:03,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 35]: Loop Invariant [2020-11-28 04:39:03,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:03,904 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 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 264.75 ms. Allocated memory is still 121.6 MB. Free memory was 88.8 MB in the beginning and 97.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.71 ms. Allocated memory is still 121.6 MB. Free memory was 97.4 MB in the beginning and 95.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.71 ms. Allocated memory is still 121.6 MB. Free memory was 95.7 MB in the beginning and 94.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 724.01 ms. Allocated memory is still 121.6 MB. Free memory was 94.4 MB in the beginning and 63.4 MB in the end (delta: 30.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * CodeCheck took 27642.20 ms. Allocated memory was 121.6 MB in the beginning and 450.9 MB in the end (delta: 329.3 MB). Free memory was 63.4 MB in the beginning and 253.6 MB in the end (delta: -190.1 MB). Peak memory consumption was 141.1 MB. Max. memory is 16.1 GB. * Witness Printer took 107.35 ms. Allocated memory is still 450.9 MB. Free memory was 253.6 MB in the beginning and 249.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 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...