./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_security.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4a7e0762948cbc310fcf63fb24dcbf7ee6356cb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:14:38,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:14:38,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:14:38,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:14:38,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:14:38,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:14:38,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:14:39,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:14:39,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:14:39,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:14:39,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:14:39,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:14:39,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:14:39,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:14:39,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:14:39,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:14:39,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:14:39,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:14:39,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:14:39,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:14:39,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:14:39,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:14:39,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:14:39,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:14:39,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:14:39,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:14:39,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:14:39,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:14:39,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:14:39,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:14:39,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:14:39,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:14:39,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:14:39,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:14:39,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:14:39,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:14:39,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:14:39,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:14:39,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:14:39,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:14:39,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:14:39,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:14:39,110 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:14:39,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:14:39,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:14:39,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:14:39,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:14:39,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:14:39,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:14:39,113 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:14:39,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:14:39,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:14:39,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:14:39,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:14:39,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:14:39,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:14:39,115 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:14:39,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:14:39,115 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:14:39,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:14:39,116 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:14:39,116 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:14:39,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:14:39,116 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:14:39,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:14:39,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:14:39,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:14:39,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:14:39,118 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:14:39,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:14:39,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:14:39,118 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_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4a7e0762948cbc310fcf63fb24dcbf7ee6356cb [2020-11-30 01:14:39,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:14:39,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:14:39,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:14:39,417 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:14:39,420 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:14:39,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/bin/ukojak/../../sv-benchmarks/c/psyco/psyco_security.c [2020-11-30 01:14:39,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/bin/ukojak/data/cc058898e/5b9a8fd8735844f2a46d7ec36cf1d1e7/FLAG25a335f03 [2020-11-30 01:14:40,096 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:14:40,097 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/sv-benchmarks/c/psyco/psyco_security.c [2020-11-30 01:14:40,108 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/bin/ukojak/data/cc058898e/5b9a8fd8735844f2a46d7ec36cf1d1e7/FLAG25a335f03 [2020-11-30 01:14:40,461 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/bin/ukojak/data/cc058898e/5b9a8fd8735844f2a46d7ec36cf1d1e7 [2020-11-30 01:14:40,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:14:40,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:14:40,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:14:40,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:14:40,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:14:40,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:14:40" (1/1) ... [2020-11-30 01:14:40,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591a2682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:40, skipping insertion in model container [2020-11-30 01:14:40,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:14:40" (1/1) ... [2020-11-30 01:14:40,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:14:40,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:14:40,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:14:40,765 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:14:40,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:14:40,814 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:14:40,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:40 WrapperNode [2020-11-30 01:14:40,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:14:40,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:14:40,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:14:40,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:14:40,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:40" (1/1) ... [2020-11-30 01:14:40,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:40" (1/1) ... [2020-11-30 01:14:40,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:14:40,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:14:40,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:14:40,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:14:40,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:40" (1/1) ... [2020-11-30 01:14:40,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:40" (1/1) ... [2020-11-30 01:14:40,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:40" (1/1) ... [2020-11-30 01:14:40,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:40" (1/1) ... [2020-11-30 01:14:40,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:40" (1/1) ... [2020-11-30 01:14:40,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:40" (1/1) ... [2020-11-30 01:14:40,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:40" (1/1) ... [2020-11-30 01:14:40,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:14:40,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:14:40,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:14:40,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:14:40,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/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 [2020-11-30 01:14:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:14:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:14:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:14:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:14:41,826 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:14:41,827 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-30 01:14:41,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:14:41 BoogieIcfgContainer [2020-11-30 01:14:41,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:14:41,831 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:14:41,832 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:14:41,844 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:14:41,844 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:14:41" (1/1) ... [2020-11-30 01:14:41,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:14:41,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:41,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2020-11-30 01:14:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2020-11-30 01:14:41,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 01:14:41,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:14:42,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:42,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2020-11-30 01:14:42,159 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2020-11-30 01:14:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 01:14:42,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:42,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:14:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:42,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2020-11-30 01:14:42,420 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2020-11-30 01:14:42,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:14:42,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:42,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:42,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:42,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2020-11-30 01:14:42,478 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2020-11-30 01:14:42,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 01:14:42,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:42,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:14:42,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:42,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 82 states and 141 transitions. [2020-11-30 01:14:42,679 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2020-11-30 01:14:42,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:14:42,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:14:42,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:42,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 91 states and 160 transitions. [2020-11-30 01:14:42,950 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2020-11-30 01:14:42,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:14:42,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:43,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:14:43,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:43,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 92 states and 160 transitions. [2020-11-30 01:14:43,054 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 160 transitions. [2020-11-30 01:14:43,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:14:43,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:43,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:14:43,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:43,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 172 transitions. [2020-11-30 01:14:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2020-11-30 01:14:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:14:43,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:43,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:14:43,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:43,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 103 states and 177 transitions. [2020-11-30 01:14:43,356 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 177 transitions. [2020-11-30 01:14:43,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:14:43,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:43,445 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:43,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:43,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 106 states and 191 transitions. [2020-11-30 01:14:43,617 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 191 transitions. [2020-11-30 01:14:43,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:14:43,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:43,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 109 states and 202 transitions. [2020-11-30 01:14:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 202 transitions. [2020-11-30 01:14:43,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:14:43,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:44,033 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:44,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:44,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 110 states and 203 transitions. [2020-11-30 01:14:44,161 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 203 transitions. [2020-11-30 01:14:44,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:14:44,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:44,186 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:44,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:44,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 119 states and 225 transitions. [2020-11-30 01:14:44,341 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 225 transitions. [2020-11-30 01:14:44,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:14:44,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:44,366 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:14:44,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 122 states and 234 transitions. [2020-11-30 01:14:44,782 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 234 transitions. [2020-11-30 01:14:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:14:44,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:44,861 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:45,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:45,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 127 states and 249 transitions. [2020-11-30 01:14:45,351 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 249 transitions. [2020-11-30 01:14:45,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:14:45,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:45,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 130 states and 253 transitions. [2020-11-30 01:14:45,395 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 253 transitions. [2020-11-30 01:14:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:14:45,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:45,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:45,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 135 states and 264 transitions. [2020-11-30 01:14:45,772 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 264 transitions. [2020-11-30 01:14:45,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:14:45,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:14:45,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 135 states and 260 transitions. [2020-11-30 01:14:45,927 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 260 transitions. [2020-11-30 01:14:45,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:14:45,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:46,034 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:46,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:46,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 146 states and 282 transitions. [2020-11-30 01:14:46,300 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 282 transitions. [2020-11-30 01:14:46,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:14:46,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:46,317 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:46,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:46,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 149 states and 285 transitions. [2020-11-30 01:14:46,373 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 285 transitions. [2020-11-30 01:14:46,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 01:14:46,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:46,476 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:46,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:46,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 161 states and 308 transitions. [2020-11-30 01:14:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 308 transitions. [2020-11-30 01:14:46,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 01:14:46,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:47,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:47,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 315 transitions. [2020-11-30 01:14:47,011 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 315 transitions. [2020-11-30 01:14:47,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 01:14:47,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:47,032 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:47,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 165 states and 317 transitions. [2020-11-30 01:14:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 317 transitions. [2020-11-30 01:14:47,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 01:14:47,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:47,132 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:47,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 171 states and 331 transitions. [2020-11-30 01:14:47,472 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 331 transitions. [2020-11-30 01:14:47,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 01:14:47,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:47,488 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:14:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 173 states and 340 transitions. [2020-11-30 01:14:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 340 transitions. [2020-11-30 01:14:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 01:14:47,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:47,542 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:14:47,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 173 states and 339 transitions. [2020-11-30 01:14:47,752 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 339 transitions. [2020-11-30 01:14:47,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 01:14:47,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:14:47,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:47,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 173 states and 338 transitions. [2020-11-30 01:14:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 338 transitions. [2020-11-30 01:14:47,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 01:14:47,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:47,863 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:14:48,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:48,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 173 states and 333 transitions. [2020-11-30 01:14:48,018 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 333 transitions. [2020-11-30 01:14:48,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 01:14:48,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:48,043 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:14:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:48,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 173 states and 328 transitions. [2020-11-30 01:14:48,094 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 328 transitions. [2020-11-30 01:14:48,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 01:14:48,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:14:48,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:48,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 173 states and 323 transitions. [2020-11-30 01:14:48,184 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 323 transitions. [2020-11-30 01:14:48,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 01:14:48,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:14:48,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:48,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 174 states and 322 transitions. [2020-11-30 01:14:48,454 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 322 transitions. [2020-11-30 01:14:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:14:48,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:48,475 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:14:48,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:48,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 174 states and 321 transitions. [2020-11-30 01:14:48,514 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 321 transitions. [2020-11-30 01:14:48,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 01:14:48,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:14:48,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:48,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 174 states and 318 transitions. [2020-11-30 01:14:48,763 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 318 transitions. [2020-11-30 01:14:48,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 01:14:48,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:14:48,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:48,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 174 states and 315 transitions. [2020-11-30 01:14:48,816 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 315 transitions. [2020-11-30 01:14:48,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 01:14:48,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:14:48,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:48,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 174 states and 314 transitions. [2020-11-30 01:14:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 314 transitions. [2020-11-30 01:14:48,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 01:14:48,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:48,874 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:14:48,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:48,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 174 states and 313 transitions. [2020-11-30 01:14:48,889 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 313 transitions. [2020-11-30 01:14:48,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 01:14:48,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:14:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:48,911 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:14:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:14:48,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2020-11-30 01:14:48,945 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2020-11-30 01:14:48,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:14:48,946 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2020-11-30 01:14:48,956 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 01:14:49,228 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2020-11-30 01:14:49,242 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:14:49,242 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-30 01:14:49,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:14:49 ImpRootNode [2020-11-30 01:14:49,244 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:14:49,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:14:49,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:14:49,245 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:14:49,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:14:41" (3/4) ... [2020-11-30 01:14:49,251 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:14:49,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 01:14:49,287 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:14:49,287 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:14:49,287 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:14:49,344 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f53e17ee-73c4-4e92-8bc7-28c47d17f3ef/bin/ukojak/witness.graphml [2020-11-30 01:14:49,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:14:49,347 INFO L168 Benchmark]: Toolchain (without parser) took 8880.85 ms. Allocated memory was 81.8 MB in the beginning and 146.8 MB in the end (delta: 65.0 MB). Free memory was 52.4 MB in the beginning and 89.1 MB in the end (delta: -36.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:49,348 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 41.8 MB in the beginning and 41.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:14:49,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.76 ms. Allocated memory is still 81.8 MB. Free memory was 52.2 MB in the beginning and 57.9 MB in the end (delta: -5.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:49,352 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.31 ms. Allocated memory is still 81.8 MB. Free memory was 57.9 MB in the beginning and 55.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:49,353 INFO L168 Benchmark]: Boogie Preprocessor took 34.30 ms. Allocated memory is still 81.8 MB. Free memory was 55.8 MB in the beginning and 54.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:14:49,357 INFO L168 Benchmark]: RCFGBuilder took 930.99 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 54.3 MB in the beginning and 66.0 MB in the end (delta: -11.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:49,357 INFO L168 Benchmark]: CodeCheck took 7412.67 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 66.0 MB in the beginning and 91.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:49,358 INFO L168 Benchmark]: Witness Printer took 100.26 ms. Allocated memory is still 146.8 MB. Free memory was 91.2 MB in the beginning and 89.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:49,367 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, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.0s, OverallIterations: 37, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1477218976 SDtfs, 1411276928 SDslu, 1585485852 SDs, 0 SdLazy, -1411179212 SolverSat, 1821270272 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10476 GetRequests, 10285 SyntacticMatches, 83 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6398 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 975 NumberOfCodeBlocks, 975 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 939 ConstructedInterpolants, 0 QuantifiedInterpolants, 52324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 35 PerfectInterpolantSequences, 401/403 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: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((3 == this_state && q == 4) || q == 0) || (q == 3 && 2 == this_state)) || (this_state == 0 && q == 2) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: q == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 41.8 MB in the beginning and 41.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 348.76 ms. Allocated memory is still 81.8 MB. Free memory was 52.2 MB in the beginning and 57.9 MB in the end (delta: -5.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.31 ms. Allocated memory is still 81.8 MB. Free memory was 57.9 MB in the beginning and 55.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.30 ms. Allocated memory is still 81.8 MB. Free memory was 55.8 MB in the beginning and 54.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 930.99 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 54.3 MB in the beginning and 66.0 MB in the end (delta: -11.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * CodeCheck took 7412.67 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 66.0 MB in the beginning and 91.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. * Witness Printer took 100.26 ms. Allocated memory is still 146.8 MB. Free memory was 91.2 MB in the beginning and 89.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...